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Ajay V

Deforestation in the Amazon - 0 views

shared by Ajay V on 11 Sep 09 - Cached
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    Home What's New About Contribute Submissions Rainforests Mission Introduction Characteristics Biodiversity The Canopy Forest Floor Forest Waters Indigenous People Deforestation Consequences Saving Rainforests Amazon rainforest Borneo rainforest Congo rainforest Country Profiles Statistics Works Cited For Kids For Teachers Photos/Images Expert Interviews Rainforest News XML Feeds Chinese French Japanese Spanish Other Languages Pictures Books Links Newsletter Education Mongabay Sites Kids' site Travel Tips Tropical Fish Madagascar Contact About this site Providing tropical forest news, statistics, photos, and information, rainforests.mongabay.com is the world's most popular rainforest site. [more] Deforestation in the Amazon DEFORESTATION IN BRAZIL: 60-70 percent of deforestation in the Amazon results from cattle ranches while the rest mostly results from small-scale subsistence agriculture. Despite the widespread press attention, large-scale farming (i.e. soybeans) currently contributes relatively little to total deforestation in the Amazon. Most soybean cultivation takes place outside the rainforest in the neighboring cerrado grassland ecosystem and in areas that have already been cleared. Logging results in forest degradation but rarely direct deforestation. However, studies have showed a close correlation between logging and future clearing for settlement and farming. [Português | Español | Français] Deforestation by state Deforestation Figures for Brazil Year Deforestation [sq mi] Deforestation [sq km] Change [%] 1988 8,127 21,050 1989 6,861 17,770 -16% 1990 5,301 13,730 -23% 1991 4,259 11,030 -20% 1992 5,323 13,786 25% 1993 5,751 14,896 8% 1994 5,751 14,896 0% 1995 11,220 29,059 95% 1996 7,012 18,161 -38% 1997 5,107 13,227 -27% 1998 6,712 17,383 31% 1999 6,664 17,259 -1% 2000 7,037 18,226 6% 2001 7,014 18,165 0% 2002 8,260 2
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    TROPICAL RAINFORESTS: Deforestation in Brazil Click Here Home What's New About Contribute Submissions Rainforests Mission Introduction Characteristics Biodiversity The Canopy Forest Floor Forest Waters Indigenous People Deforestation Consequences Saving Rainforests Amazon rainforest Borneo rainforest Congo rainforest Country Profiles Statistics Works Cited For Kids For Teachers Photos/Images Expert Interviews Rainforest News XML Feeds Chinese French Japanese Spanish Other Languages Pictures Books Links Newsletter Education Mongabay Sites Kids' site Travel Tips Tropical Fish Madagascar Contact About this site Providing tropical forest news, statistics, photos, and information, rainforests.mongabay.com is the world's most popular rainforest site. [more] Deforestation in the Amazon DEFORESTATION IN BRAZIL: 60-70 percent of deforestation in the Amazon results from cattle ranches while the rest mostly results from small-scale subsistence agriculture. Despite the widespread press attention, large-scale farming (i.e. soybeans) currently contributes relatively little to total deforestation in the Amazon. Most soybean cultivation takes place outside the rainforest in the neighboring cerrado grassland ecosystem and in areas that have already been cleared. Logging results in forest degradation but rarely direct deforestation. However, studies have showed a close correlation between logging and future clearing for settlement and farming. [Português | Español | Français] Deforestation by state Deforestation Figures for Brazil Year Deforestation [sq mi] Deforestation [sq km] Change [%] 1988 8,127 21,050 1989 6,861 17,770 -16% 1990 5,301 13,730 -23% 1991 4,259 11,030 -20% 1992 5,323 13,786 25% 1993 5,751 14,896 8% 1994 5,751 14,896 0% 1995 11,220 29,059 95% 1996 7,012 18,161 -38% 1997 5,107 13,227 -27% 1998 6,712 17,383 31% 1999 6,664
Jean Luc L

Degrowth - Wikipedia, the free encyclopedia - 0 views

  • Ecological footprint Main article: Ecological footprint The ecological footprint is a measure of human demand on the Earth's ecosystems. It compares human demand with planet Earth's ecological capacity to regenerate. It represents the amount of biologically productive land and sea area needed to regenerate the resources a human population consumes and to absorb and render harmless the corresponding waste. According to a 2005 Global Footprint Network report,[7] while inhabitants of high-income countries live off of 6.4 global hectares (gHa), while those from low-income countries live off of a single gHa. For example, while each inhabitant of Bangladesh lives off of what they produce from 0.56 gHa, a North American requires 12.5 gHa. Each inhabitant of North America uses 22.3 times as much land as a Bangladeshi. Of the 12.5 hectares used by the North American, 5.5 is located in the United States, and the rest is found in foreign countries.[7] According to the same report, the average number of global hectares per person was 2.1, while current consumption levels have reached 2.7 hectares per person. In order for the world's population to attain the living standards typical of European countries, the resources of between three and eight planet Earths would be required. In order for world economic equality to be achieved with the current available resources, rich countries would have to reduce their standard of living through degrowth. The eventual reduction of all available resources would lead to a forced reduction in consumption. Controlled reduction of consumption would reduce the trauma of this change.
  • Degrowth and Sustainable Development Degrowth thought is in opposition to all forms of productivist economics. It is, thus, also opposed to sustainable development. While the concern for sustainability does not contradict degrowth, sustainable development is rooted in mainstream development ideas that aim to increase capitalist growth and consumption. Degrowth therefore sees sustainable development as an oxymoron[8], as any development based on growth in a finite and environmentally stressed world is seen as inherently unsustainable. Since current levels of consumption exceed the Earth's ability to regenerate these resources, economic growth will lead to their exhaustion. Those in favor of sustainable development argue that continued economic growth is possible if consumption of energy and resources is reduced. Furthermore, growth-based development has been shown to be more effective in expanding social inequality, concentrating wealth in the hands of a few, than in actually generating more wealth and increasing living standards[9][10]. Critics of degrowth argue that a slowing of economic growth would result in increased unemployment and increase poverty. Many who understand the devastating environmental consequences of growth still advocate for economic growth in the South, even if not in the North. But, a slowing of economic growth would fail to deliver the benefits of degrowth—self-sufficiency, material responsibility—and would indeed lead to decreased employment. Rather, degrowth proponents advocate for a complete abandonment of the current (growth) economic system, suggesting that relocalizating and abandoning the global economy in the Global South would allow people of the South to become more self-sufficient and would end the overconsumption and exploitation of Southern resources by the North
Gurupranav G

Microfinance - Wikipedia, the free encyclopedia - 0 views

  • Microfinance is the provision of financial services to low-income clients, including consumers and the self-employed, who traditionally lack access to banking and related services. More broadly, it is a movement whose object is "a world in which as many poor and near-poor households as possible have permanent access to an appropriate range of high quality financial services, including not just credit but also savings, insurance, and fund transfers."[1] Those who promote microfinance generally believe that such access will help poor people out of poverty
    • Gurupranav G
       
      t definition on microfinance and how it helps the needy
  • Traditionally, banks have not provided financial services, such as loans, to clients with little or no cash income. Banks incur substantial costs to manage a client account, regardless of how small the sums of money involved. For example, the total profit for a bank from delivering 100 loans worth $1,000 each will not differ greatly from the revenue that results from delivering one loan of $100,000. But the fixed cost of processing loans of any size is considerable as assessment of potential borrowers, their repayment prospects and security; administration of outstanding loans, collecting from delinquent borrowers, etc., has to be done in all cases. There is a break-even point in providing loans or deposits below which banks lose money on each transaction they make. Poor people usually fall below that breakeven point. In addition, most poor people have few assets that can be secured by a bank as collateral. As documented extensively by Hernando de Soto and others, even if they happen to own land in the developing world, they may not have effective title to it.[2] This means that the bank will have little recourse against defaulting borrowers. Seen from a broader perspective, the development of a healthy national financial system has long been viewed as a catalyst for the broader goal of national economic development (see for example Alexander Gerschenkron, Paul Rosenstein-Rodan, Joseph Schumpeter, Anne Krueger ). However, the efforts of national planners and experts to develop financial services for most people have often failed in developing countries, for reasons summarized well by Adams, Graham & Von Pischke in their classic analysis 'Undermining Rural Development with Cheap Credit'.[3] Because of these difficulties, when poor people borrow they often rely on relatives or a local moneylender, whose interest rates can be very high. An analysis of 28 studies of informal moneylending rates in 14 countries in Asia, Latin America and Africa concluded that 76% of moneylender rates exceed 10% per month, including 22% that exceeded 100% per month. Moneylenders usually charge higher rates to poorer borrowers than to less poor ones.[4] While moneylenders are often demonized and accused of usury, their services are convenient and fast, and they can be very flexible when borrowers run into problems. Hopes of quickly putting them out of business have proven unrealistic, even in places where microfinance institutions are active.[citation needed] Over the past centuries practical visionaries, from the Franciscan monks who founded the community-oriented pawnshops of the 15th century, to the founders of the European credit union movement in the 19th century (such as Friedrich Wilhelm Raiffeisen) and the founders of the microcredit movement in the 1970s (such as Muhammad Yunus) have tested practices and built institutions designed to bring the kinds of opportunities and risk-management tools that financial services can provide to the doorsteps of poor people.[5] While the success of the Grameen Bank (which now serves over 7 million poor Bangladeshi women) has inspired the world, it has proved difficult to replicate this success. In nations with lower population densities, meeting the operating costs of a retail branch by serving nearby customers has proven considerably more challenging. Hans Dieter Seibel, board member of the European Microfinance Platform, is in favour of the group model. This particular model (used by many Microfinance institutions) makes financial sense, he says, because it reduces transaction costs. Microfinance programmes also need to be based on local funds. Local Roots Although much progress has been made, the problem has not been solved yet, and the overwhelming majority of people who earn less than $1 a day, especially in the rural areas, continue to have no practical access to formal sector finance. Microfinance has been growing rapidly with $25 billion currently at work in microfinance loans.[6] It is estimated that the industry needs $250 billion to get capital to all the poor people who need it.[6] The industry has been growing rapidly, and concerns have arisen that the rate of capital flowing into microfinance is a potential risk unless managed well.[7]
    • Gurupranav G
       
      Great info on the challenges of microfinance, though it may be extremely helpful. Not bad!
Hugues M

Land mine - Wikipedia, the free encyclopedia - 1 views

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    "A land mine is a target (person or vehicle) triggered explosive weapon . Their non-explosive predecessors (caltrops, stakes and spikes) have been used on the battlefield since ancient times. Landmines were designed to be used to deter, channel, delay and kill an enemy. They have been used in various formats, for centuries and have featured in all major conflicts. Land mines are force multipliers , meaning that they may increase the efficiency of a force without requiring more personnel. The name originates from the practice of mining , where tunnels were dug under enemy fortifications or forces. These tunnels ("mines") were first collapsed to destroy fortifications above, and later filled with explosives and detonated. Land mines generally refer to devices specifically manufactured for this purpose, as distinguished from improvised explosive devices ("IEDs"). The use of land mines is controversial because they are indiscriminate weapons, harming soldier and civilian alike. They remain dangerous after the conflict in which they were deployed has ended, killing and injuring civilians and rendering land impassable and unusable for decades. To make matters worse, many factions have not kept accurate records (or any at all) of the exact locations of their minefields, making removal efforts painstakingly slow. These facts pose serious difficulties in many developing nations where the presence of mines hampers resettlement, agriculture, and tourism. The International Campaign to Ban Landmines campaigned successfully to prohibit their use, culminating in the 1997 Convention on the Prohibition of the Use, Stockpiling, Production and Transfer of Anti-Personnel Mines and on their Destruction, known informally as the Ottawa Treaty . As of 2007, a total of 158 nations have agreed to the treaty. Thirty-seven countries have not agreed to the ban, including China , India , Israel , Pakistan
Shashank A

Sustainable development - Wikipedia, the free encyclopedia - 0 views

  • Sustainable development is a pattern of resource use that aims to meet human needs while preserving the environment so that these needs can be met not only in the present, but also for future generations. The term was used by the Brundtland Commission which coined what has become the most often-quoted definition of sustainable development as development that "meets the needs of the present without compromising the ability of future generations to meet their own needs."[1][2]
Kavya D

The CAUSES of RAINFOREST DESTRUCTION - 0 views

  • The creation of national parks has undoubtedly helped to protect rainforests. Yet, as national parks are open to the public, tourism is damaging some of these areas. Often, national parks are advertised to tourists before adequate management plans have been developed and implemented. Inadequate funding is allocated for preservation of forests by government departments. Governments see tourism as an easy way to make money, and therefore tourism is encouraged whilst strict management strategies are given far less government support. Ecotourism, or environmentally friendly tourism, should educate the tourists to be environmentally aware. It should also be of low impact to its environment. Unfortunately, many companies and resorts who advertise themselves as eco-tourist establishments are in fact exploiting the environment for profit. In Cape Tribulation, Australia, for example, the rainforest is being threatened by excessive tourism. Clearing for roads and pollution of waterways are two of the major problems in this area. The Wet Tropics Management Authority which oversees the surrounding World Heritage Area is promoting tourism to the area before any management plans have been formulated, before any effective waste management strategy has been devised and before any ecofriendly power alternatives have been fully explored. Solutions: The rights of indigenous forest dwellers and others who depend on intact forests must be upheld. In instances where there are campaigns opposing specific tourist developments, they should be supported. Genuine ecotourism should be preferred to other tourist enterprises.
    • Kavya D
       
      How tourism affects the rainforests.
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    According to Professor Norman Myers, one of the foremost authorities on rates of deforestation in tropical forests, "the annual destruction rate seems set to accelerate yet further, and could well double in another decade" (Myers 1992). As Myers points out, "we still have half of all tropical forests that ever existed". The struggle to save the world's rainforests continues, and there is a growing worldwide concern about the issue. In order to save rainforests, we need to know why they are being destroyed. Nobody knows exactly how much of the world's rainforests have already been destroyed and continue to be razed each year. Data is often imprecise and subject to differing interpretations. However, it is obvious that the area of tropical rainforest is diminishing and the rate of tropical rainforest destruction is escalating worldwide, despite increased environmental activism and awareness. A 1992 study by the Food and Agriculture Organisation (FAO) placed the global rate of tropical deforestation at 17 million ha. per year. A study by the World Resources Institute (WRI) suggests that the figure could be as high as 20.4 million ha. per year. 1. Immediate Causes The immediate causes of rainforest destruction are clear. The main causes of total clearance are agriculture and in drier areas, fuelwood collection. The main cause of forest degradation is logging. Mining, industrial development and large dams also have a serious impact. Tourism is becoming a larger threat to the forests. 1.1 Logging Commercial logging companies cut down mature trees that have been selected for their timber. The timber trade defends itself by saying that this method of 'selective' logging ensures that the forest regrows naturally and in time, is once again ready for their 'safe' logging practices (WWF). In most cases, this is untrue due to the nature of rainforests and of logging practices. Large areas of rainforest are destroyed in order to remove only a few logs. The heavy mac
jack parker

Rainforest Destruction - 0 views

  • The immediate causes of rainforest destruction are clear. The main causes of total clearance are agriculture and in drier areas, fuelwood collection. The main cause of forest degradation is logging. Mining, industrial development and large dams also have a serious impact. Tourism is becoming a larger threat to the forests.
    • Gurupranav G
       
      A little useful for my Q4
    • jack parker
       
      useful for my exibition
    • Shaian R
       
      How can we save the rainforest from destrution
  • The creation of national parks has undoubtedly helped to protect rainforests. Yet, as national parks are open to the public, tourism is damaging some of these areas. Often, national parks are advertised to tourists before adequate management plans have been developed and implemented. Inadequate funding is allocated for preservation of forests by government departments. Governments see tourism as an easy way to make money, and therefore tourism is encouraged whilst strict management strategies are given far less government support. Ecotourism, or environmentally friendly tourism, should educate the tourists to be environmentally aware. It should also be of low impact to its environment. Unfortunately, many companies and resorts who advertise themselves as eco-tourist establishments are in fact exploiting the environment for profit. In Cape Tribulation, Australia, for example, the rainforest is being threatened by excessive tourism. Clearing for roads and pollution of waterways are two of the major problems in this area. The Wet Tropics Management Authority which oversees the surrounding World Heritage Area is promoting tourism to the area before any management plans have been formulated, before any effective waste management strategy has been devised and before any ecofriendly power alternatives have been fully explored.
    • Gurupranav G
       
      Possibly useful for my Q4
  • ...2 more annotations...
  • The immediate causes of rainforest destruction are clear. The main causes of total clearance are agriculture and in drier areas, fuelwood collection. The main cause of forest degradation is logging. Mining, industrial development and large dams also have a serious impact. Tourism is becoming a larger threat to the forests.
  • 5 Large Dams In India and South America, hundreds of thousands of hectares of forests have been destroyed by the building of hydro-electric dams. It was the dominant view that new dams had to be built or otherwise these countries would suffer an energy crisis. However, a recent study by the World Bank in Brazil has shown that 'sufficient generating capacity already exists to satisfy the expected rise in demand for power over the medium term, provided that the energy is used more efficiently' (WRM). The construction of dams not only destroys the forest but often uproots tens of thousands of people, destroying both their land and their culture. The rates of waterborne diseases increase rapidly. Downstream ecosystems are damaged by dams which trap silt, holding back valuable nutrients. Reduced silt leads to coastal erosion. The sheer weight of water in dams has in Chile, Zimbabwe, and Greece led to earthquakes. The irrigation and industrial projects powered by dams lead to further environmental damage. Irrigation leads to salination of soils and industry leads to pollution. Solutions: Aid organisations like the World Bank have traditionally favoured spectacular large-scale irrigation and hydro-electric projects. In all cases when such projects are proposed, there has been massive opposition from local people. Reform of the World Bank and other such organisations, and support for campaigns against large-scale dams is needed.
Thomas C

Rainforest Animals - 5 views

  • Scientists believe that there is such a great diversity of animals because rainforests are the oldest ecosystem on earth.
  • Many animals species have developed relationships with each other that benefit both species. Birds and mammal species love to eat the tasty fruits provided by trees. Even fish living in the Amazon River rely on fruits dropped from forest trees. In turn, the fruit trees depend upon these animals to eat their fruit, which helps them to spread their seeds to far-off parts of the forest.
    • Gurupranav G
       
      This may help me answer my question on the interdependence of the animals of a rainforest, and it may help you out too, if you are looking at the interdependence of the animals in a rainforest
    • Zina S
       
      Why didthey kill the dodo birds!? It doesnt make any sence!
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  • DOZENS OF ANIMAL SPECIES A DAY BECOME EXTINCT IN TROPICAL RAINFORESTS
    • Thomas C
       
      WHAT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  • When rainforests are destroyed, animals living outside the tropics suffer as well. Songbirds, hummingbirds, warblers and thousands of other North American birds spend their winters in rainforests, returning to the same location year after year. Less return north each spring, as few make it through the winter because their habitat has been destroyed. The cutting down of trees is not the only reason for species extinction. Thousands of monkeys and other primates are traded illegally on the international market each year, wanted for their fur, as pets, or for scientific research. Parrots and macaws have also become popular pets; buyers will pay up to $10,000 for one bird. Even the king of the jungle, the jaguar, is in danger of becoming extinct. Its fur is highly valued for use on coats and shoes.
    • Woo Hyun C
       
      With out rainforests the bird can't survive either! If we keep destroying rainforests we are harming the animals outside the rainforet
    • Chloe W
       
      Deforestation in rainforests are not lonly effecting animals that live in it, but also ones that live outside.
    • Thomas C
       
      If this carries on there will be no life left on earth!
  • Scientists estimate that there are more than 50 million different species of invertebrates living in rainforests. One scientist found 50 different species of ants on a single tree in Peru! You would probably only need a few hours of poking around in a rainforest to find an insect unknown to science.
  • In some cases both species are so dependent upon each other that if one becomes extinct, the other will as well. This nearly happened with trees that relied on the now-extinct dodo birds. They once roamed Mauritius, a tropical island located in the Indian Ocean. They became extinct during the late 19th century when humans overhunted them. The calvaria tree stopped sprouting seeds soon after. Scientists finally concluded that, for the seeds of the calvaria tree to sprout, they needed to first be digested by the dodo bird. By force-feeding the seeds to a domestic turkey, who digested the seeds the same way as the dodo birds, the trees were saved. Unfortunately humans will not be able to save each species in this same way.
    • Gurupranav G
       
      This may help me answer my question on the interdependence of the animals of a rainforest, and it may help you out too, if you are looking at the interdependence of the animals in a rainforest
  • The constant search for food, water, sunlight and space is a 24-hour pushing and shoving match. With this fierce competition, you may be amazed that so many different species of animals can all live together. But this is actually the cause of the huge number of different species.The main secret lies in the ability of many animals to adapt to eating a specific plant or animal, which few other species are able to eat. Have you ever wondered, for instance, why toucans and parrots have such big beaks? These beaks give them a great advantage over other birds with smaller beaks. The fruits and nuts from many trees have evolved with a tough shell to protect them from predators. In turn toucans and parrots developed large strong beaks, which serves as a nutcracker and provides them with many tasty meals.
    • Gurupranav G
       
      This peice of information will be useful if you are looking at the adaptations of different animals in the rainforest. This is useful for me.
  • Each species has evolved with its own set of unique adaptations, ways of helping them to survive. Every animal has the ability to protect itself from being someone's next meal. The following are just a few of these unique and often bizarre adaptations. CAMOUFLAGE The coloring of some animals acts as protection from their predators. Insects play some of the best hide-and-go-seek in the forest. The "walking stick" is one such insect; it blends in so well with the palm tree it calls its home that no one would notice it unless it moved. Some butterflies, when they close their wings, look exactly like leaves. Camouflage also works in reverse, helping predators, such as boa constrictors, sneak up on unsuspecting animals and surprise them. SLOW AS A SNAIL The three-toed sloth is born with brown fur, but you would never know this by looking at it. The green algae that makes its home in the sloth's fur helps it to blend in with the tops of the trees, the canopy, where it makes its home. But green algae isn't the only thing living in a sloth's fur; it is literally "bugged" with a variety of insects. 978 beetles were once found living on one sloth! The sloth has other clever adaptations. Famous for its snail-like pace; it is one of the slowest-moving animals on earth. (It can even take up to a month to digest its food!) Although its tasty meat would make a good meal for jaguars and other predators, most do not notice the sloth as it hangs quietly in the trees, high up in the canopy. DEADLY CREATURES Other animals want to announce their presence to the whole forest. Armed with dangerous poisons used in life-threatening situations, their bright colors warn predators to stay away. The coral snake of the Amazon, with its brilliant red, yellow, and black coloring, is recognized as one of the most beautiful snakes in the world, But don't admire its beauty too long; its deadly poison can kill within seconds The poison arrow frog also stands out with its brightly colored skin. Its skin produces some of the strongest natural poison in the world, which Indigenous people often use for hunting purposes. Another animal with no friends is the hoatzin. Often called the stinkbird, it produces a horrible smell to scare
    • Gurupranav G
       
      This is also useful information if you are looking at the adaptations of the animals of a rainforest.
  • An average of 35 species becomes extinct every day in the world's tropical rainforests.
    • Chloe W
       
      Most of these species, we haven't discovered their uses yet. We don't care that we don't even know what they are and never will
  • Rivers have become both overfished and polluted. Gillnets now allow fishermen to kill huge amounts of fish at a time. They often use only the larger and more profitable fish, dumping the dead smaller fish and other animals such as dolphins back into the rivers.
    • Chloe W
       
      This is terrible. We are losing our air supply, and now our water supply is getting polluted. I hope we can stop it.
  • Tropical rainforests are home to many of the strangest-looking and most beautiful, largest and smallest, most dangerous and least frightening, loudest and quietest animals on earth. You've probably heard of some of them; jaguars, toucans, parrots, gorillas, and tarantulas all make their homes in tropical rainforests. But have you ever heard of the aye-aye? Or the okapi? There are so many fascinating animals in tropical rainforests that millions haven't been named or even identified yet. In fact, about half of all the world's species live in tropical rainforests.
    • Shaian R
       
      How can we save the animals
  • During the Ice Ages, the last of which occurred about 10,000 years ago, the frozen areas of the North and South Poles spread over much of the earth, causing huge numbers of extinctions. But the giant freeze did not reach many tropical rainforests. Therefore, these plants and animals could continue to evolve, developing into the most diverse and complex ecosystems on earth. The nearly perfect conditions for life also help contribute to the great number of species. With temperatures constant at 75 -80 degrees F. the whole year, animals don't have to worry about freezing during cold winters or finding shade in the hot summers. They rarely have to search for water, as rain falls almost every day in tropical rainforests. Some rainforest species have populations that number in the millions. Other species consist of only a few dozen individuals. Living in limited areas, most of these species are endemic, or found nowhere else on earth. The maues marmoset, a species of monkey, wasn't discovered until recently. Its entire tiny population lives within a few square miles in the Amazon rainforest. It is so small, it could sit in a person's hand!
    • Thomas C
       
      A rainforest history lesson.
    • Avinash X
       
      this might help me in my research as i am researching on insects and the interesting ways of decieving their predators
  • Leaf-cutter, or parasol ants, can rightfully be called the world's first farmers. They climb trees up to 100-feet tall and cut out small pieces of leaves. They then carry these fragments, weighing as much as 50 times their body weight, back to their homes. Sometimes they must travel 200 feet, equal to an average human walking about 6 miles with 5,000 lbs. on his/her back! The forest floor is converted to a maze of busy highways full of these moving leaf fragments. These ants don't eat the leaves they have collected, but instead bury them underground. The combination of leaves and substances that the ants produce such as saliva allows a type of fungus to grow. This fungus is the only food that the ants need to eat. Azteca ants live on the swollen thorn acacia tree, which offers the ants everything needed for survival - lodging, water, and food for themselves and their young. In return, the ants protect the trees from predators. Whenever the ants feel something brush against the tree, they rush to fiercely fight the intruder. They also protect it from vines and other competing plants that would otherwise strangle it. As a result, nothing can grow near these trees. They are the only trees with a built-in alarm system!
    • Thomas C
       
      farming ants!
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    how some animals become extinct
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    good for animals survival. Chloe: This website has great information on animals of the rainforest.
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    This talks about animals and the ways they escape from predators.
Zoe P

Krousar Thmey - 0 views

    • Chloe W
       
      List of needs here... how shall we raise money?
  • First Cambodian Foundation assisting deprived children, Krousar Thmey provides deprived Cambodian children with material, educational and social support in harmony with their environment and respectful of their traditions and beliefs. Our purpose is to help children develop and blossom into responsible adults. Krousar Thmey takes great care that its aid neither creates disharmony between a child and his relatives and friends, nor creates privileged or dependent children.
  • First Cambodian Foundation assisting deprived children, Krousar Thmey provides deprived Cambodian children with material, educational and social support in harmony with their environment and respectful of their traditions and beliefs. Our purpose is to help children develop and blossom into responsible adults. Krousar Thmey takes great care that its aid neither creates disharmony between a child and his relatives and friends, nor creates privileged or dependent children.
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    homepage of Krousar Thmey
  • ...2 more comments...
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    Krousar Thmey, first Cambodian Foundation assisting deprived children.
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    First Cambodian Foundation assisting deprived children, Krousar Thmey provides deprived Cambodian children with material, educational and social support in harmony with their environment and respectful of their traditions and beliefs. Our purpose is to help children develop and blossom into responsible adults. Krousar Thmey takes great care that its aid neither creates disharmony between a child and his relatives and friends, nor creates privileged or dependent children.
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    Great Exhibition Help. Learn more about organisations.
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    Amnesty International is a worldwide movement of people who campaign for internationally recognized human rights for all.
Yen Yu C

Introduction to Biomes - 0 views

shared by Yen Yu C on 02 Sep 09 - Cached
  • Biomes are the major regional groupings of plants and animals discernible at a global scale. Their distribution patterns are strongly correlated with regional climate patterns and identified according to the climax vegetation type. However, a biome is composed not only of the climax vegetation, but also of associated successional communities, persistent subclimax communities, fauna, and soils.
    • Yen Yu C
       
      -what biomes are -introduction -what it is composed from
  • The global distribution pattern: Where each biome is found and how each varies geographically. A given biome may be composed of different taxa on different continents. Continent-specific associations of species within a given biome are known as formations and often are known by different local names. For example,the temperate grassland biome is variously called prairie, steppe, pampa, or veld, depending on where it occurs (North America, Eurasia, South America, and southern Africa, respectively). The general characteristics of the regional climate and the limitations or requirements imposed upon life by specific temperature and/or precipitation patterns. Aspects of the physical environment that may exert a stronger influence than climate in determining common plant growthforms and/or subclimax vegetation. Usually these factors are conditions of the substrate (e.g., waterlogged; excessively droughty, nutrient-poor) or of disturbance (e.g., periodic flooding or burning). The soil order(s) that characterize the biome and those processes involved in soil development. The dominant, characteristic, and unique growthforms; vertical stratification; leaf shape, size, and habit; and special adaptations of the vegetation. Examples of the last are peculiar life histories or reproductive strategies, dispersal mechanisms, root structure, and so forth. The types of animals (especially vertebrates) characteristic of the biome and their typical morphological, physiological, and/or behavioral adaptations to the environment.
  • The global distribution pattern: Where each biome is found and how each varies geographically. A given biome may be composed of different taxa on different continents. Continent-specific associations of species within a given biome are known as formations and often are known by different local names. For example,the temperate grassland biome is variously called prairie, steppe, pampa, or veld, depending on where it occurs (North America, Eurasia, South America, and southern Africa, respectively). The general characteristics of the regional climate and the limitations or requirements imposed upon life by specific temperature and/or precipitation patterns. Aspects of the physical environment that may exert a stronger influence than climate in determining common plant growthforms and/or subclimax vegetation. Usually these factors are conditions of the substrate (e.g., waterlogged; excessively droughty, nutrient-poor) or of disturbance (e.g., periodic flooding or burning). The soil order(s) that characterize the biome and those processes involved in soil development. The dominant, characteristic, and unique growthforms; vertical stratification; leaf shape, size, and habit; and special adaptations of the vegetation. Examples of the last are peculiar life histories or reproductive strategies, dispersal mechanisms, root structure, and so forth. The types of animals (especially vertebrates) characteristic of the biome and their typical morphological, physiological, and/or behavioral adaptations to the environment.
    • Yen Yu C
       
      understand the nature of earth's major biomes
pstudent 1

Return to Education Supplement ContentsRainforest Information Centre Educational Supple... - 1 views

  • More than 1,000 rainforest cultures still exist, but nearly all of them face a grim future due to the development plans of the ruling elites in their countries and international development agencies. Their lands are being taken, their basic rights disregarded, and often even their very existence is being ignored.
Marius S

Tropical Rainforest- Trivia & Facts on Saving - 0 views

  • Today, we know that the soil of the tropical rainforests is thin and very low in nutrients. Decomposers like leaf-cutter ants, termites, bacteria, and fungi quickly turn falling leaves and dead organisms into nutrients. Plants take up these nutrients the moment they are available, so they don’t get a chance to enrich the soil. Keeping Tropical Rainforests Healthy Conservation of tropical rainforests should be easy. They have survived for millions of years. The trick to keeping them healthy is to not take too much too fast. This gives the rainforests time to recover from human activities like logging. But many countries that have tropical rainforests are poor. They can make money by cutting down and developing the rainforests. But uncontrolled development results in deforestation
    • Marius S
       
      About the rainforest cycle. (First Paragraph)
  • Rainforests have 170,000 of the world's 400,000 known plant species. The United States has 81 species of frogs, while Madagascar (which is smaller than Texas) may have 300 species. Europe has 321 butterfly species, while Manu National Park in the tropical rainforest of Peru has 1,300 species! The world’s only species of flying snake and lizard live in the Borneo rainforest. The largest catfish in the world lives in a tropical rainforest river in Vietnam. It weighs over 300 kg. About one-quarter of all the medicines we use come from rainforest plants. Curare comes from a tropical vine. It is used as an anesthetic and to relax muscles during heart surgery. Quinine, from the cinchona tree, is used to treat malaria. A person with leukemia has a 99% chance that the disease will go into remission because of the rosy periwinkle. More than 1,400 varieties of tropical plants might be potential cures for cancer.
  • Some traditional rainforest cultures still live in the forests. They travel as a group to collect and hunt food. As rainforests are destroyed, so are the homes of these interesting and amazing people.
    • Marius S
       
      Interesting facts on rainforest people.
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  • More than half the species on Earth are found in tropical rainforests. Many species living in these forests have never before been seen or studied by scientists. Most of these unknown species are insects, like moths.
  • Tropical rainforests are wet nearly all the time. They get lots of rain all year long, but they also help make rain through evaporation. Tropical rainforests help regulate weather all over the world.
  • Tropical rainforests are found in a narrow region around the equator that is known as the tropics. The climate is rainy and the temperatures are warm and nearly the same every day. The sun and the rain combine to create an environment that is very humid. This climate is ideal for the growth of many kinds of green plants.
  • Many different frog species live in the canopy of the rainforest. Most spend their entire lives in the canopy. They lay their eggs in little pools of water held in leaves instead of in ponds or streams.
  • Tropical rainforest plants have many adaptations for living in the forest. Some collect all their water from the air. For this reason, many of them have very large leaves. Others have flexible stems that allow them to bend and follow the sunlight so they can carry out photosynthesis all day.
  • which is part of a conservation effort known as ecotourism. People also are trying to help wildlife survive by creating protected areas and rehabilitation centers.
  • Decomposers like leaf-cutter ants, termites, bacteria, and fungi live on the forest floor. These decomposers quickly turn fallen leaves and dead organisms into nutrients. This creates food for trees and other plants and animals.
    • Marius S
       
      Decomposers
Ajay V

Tropical Rainforests - Reasons for their Destruction - 0 views

  • Farmland is made.
    • Jack P
       
      is this a good enough reason to cut down rainforest
  • The wood cut down is sold as timber and used as fuel.
    • Aman DC
       
      people used timber to make fuel
  • There are also social reasons for cutting down the trees. Transport links. Roads and railways are needed to move goods and people. Settlements. Modern cities such as Manaus in Brazil and Jakarta in Indonesia have been developed in areas that were once were tropical rainforest.
    • Ajay V
       
      Social resons to cut down rainforests venkaQ3
  • ...1 more annotation...
  • There are economic reasons for countries to cut down their rainforests. Farmland is made. This is both arable land which is used for tropical crops such as cassava and bananas, and grass land which is used for livestock farming, mainly cattle ranching. This farmland, as well as providing food, gives employment and earns money in export earnings for the country. The wood cut down is sold as timber and used as fuel. Tropical hardwoods are much in demand for use in building and furniture. The main markets for the tropical hardwoods are in the developed world. It will allow the mining of minerals. Many important ores such as bauxite and iron ore have been found in tropical rainforest areas. The most economical way to remove the rocks is often by opencast mining, which means that the trees have to be cut down. The produce power and water supplies. Rivers have been dammed to make large reservoirs for Hydro-Electric Power schemes. An example is the Sobradino Dam on the San Francisco River in Brazil.
    • Ajay V
       
      Very good reasons (on a timber worker's perspective) on why they should cut down trees
Kavya D

Effects of decreasing rainforests on humans - 0 views

  • Some humans benefit from decreasing the size of the rainforest - people who use the electricity caused by a hydro-electric dam, for example. Other humans do not have it so good - people who hunt wildlife for a living may a tougher time finding food. The loss of indigenous culture is kind of sad. Read Tristes Tropique by the anthropologist Claude Levi Strauss to learn more about people who are hurt by the loss of forest. "Under developing the Amazon" by Stephen Bunker is a good look at the costs and benefits, who gains and who loses from the destruction/development of the rainforests.
    • Kavya D
       
      These are two good perspectives about the destruction of the rainforests.
  •  
    Jack, Paul, Oliver and Aman, I found this really good website.
Thomas C

Primates - 0 views

  • Primates are a group of mammals that include prosimians, monkeys, and apes. Humans are primates, too. We are a type of ape. Most primates have hands and feet that can grasp, and many have tails. There are about 230 primate species. Most primates are found in tropical environments. The only great exception to this is humans. We live all over the planet. Almost all primates eat both plants and animals. Most primates are threatened or endangered.
    • Thomas C
       
      description on animals
  • The Big ThreePrimates belong to one of three general groups: prosimians, monkeys, and apes. ©G.Ellis/GLOBIO.org Prosimians include lemurs, tarsiers and lorises. ©G.Ellis/GLOBIO.org Monkeys include new world and old world monkeys as well as macaques and baboons. ©G.Ellis/GLOBIO.org Apes include chimpanzees, gorillas, orangutans, and humans. Prime Locations for P
    • Thomas C
       
      never knew that lorises belonged to the monkey family.
  • What Sets Primates Apart Humans are the only primates that are strictly bipedal, meaning they walk upright on two feet. Humans live all over the planet in almost every environment. ©G.Ellis/GLOBIO.org As primates evolved over the past 50-60 million years, two important things happened. 1) Their faces flattened and the eyes moved to the front of the head, giving them binocular vision. 2) They developed hands with separate fingers and opposable thumbs. This allowed them to grasp and hold on to branches and other objects. These two important developments make primates very different from all
    • Thomas C
       
      Humans are primates?
  • ...2 more annotations...
  • other mammals.
    • Thomas C
       
      humans are primates?
  • Adult primates come in many different sizes. The pygmy marmoset is the smallest and weighs only 70 g. The largest primate is the gorilla. It may weigh as much as 181 kg!  Primate species live for different lengths of time, depending on their size. The mouse lemur is very small and lives about eight years. Chimpanzees, which are quite large, can live as long as some humans.
  •  
    Hi guys
Gurupranav G

Art in ancient Greece - Wikipedia, the free encyclopedia - 0 views

  • The arts of ancient Greece have exercised an enormous influence on the culture of many countries, particularly in the areas of sculpture and architecture.
    • Gurupranav G
       
      Useful info on greek art
  • There were several interconnected traditions of painting in ancient Greece. Due to their technical differences, they underwent somewhat differentiated developments. Not all painting techniques are equally well represented in the archaeological record.
  • The most respected form of art, according to authors like Pliny or Pausanias, were individual, mobile paintings on wooden boards, technically described as panel paintings. The techniques used were encaustic (wax) painting and tempera. Such paintings normally depicted figural scenes, including portraits and still-lifes; we have descriptions of many compositions. They were collected and often displayed in public spaces. Pausanias describes such exhibitions at Athens and Delphi. We know the names of many famous painters, mainly of the Classical and Hellenistic periods, from literature (see expandable list to the right). Unfortunately, due to the perishable nature of the materials used and the major upheavals at the end of antiquity, not one of the famous works of Greek panel painting has survived, nor even any of the copies that doubtlessly existed, and which give us most of our knowledge of Greek sculpture. The most important surviving Greek examples are the fairly low-quality Pitsa panels from circa 530 BC, and a large group of much later Graeco-Roman archaeological survivals from the dry conditions of Egypt, the Fayum mummy portraits, together with the similar Severan Tondo. Byzantine icons are also derived from the encaustic panel painting tradition.
  • ...2 more annotations...
  • The tradition of wall painting in Greece goes back at least to the Minoan and Mycenaean Bronze Age, with the lavish fresco decoration of sites like Knossos, Tiryns and Mycenae. It is not clear, whether there is any continuity between these antecedents and later Greek wall paintings. Wall paintings are frequently described in Pausanias, and many appear to have been produced in the Classical and Hellenistic periods. Due to the lack of architecture surviving intact, not many are preserved. The most notable examples are a monumental Archaic 7th century BC scene of hoplite combat from inside a temple at Kalapodi (near Thebes), and the elaborate frescoes from the 4th century "Grave of Phillipp" and the "Tomb of Persephone" at Vergina in Macedonia[1], sometimes suggested to be closely linked to the high-quality panel paintings mentioned above. Greek wall painting tradition is also reflected in contemporary grave decorations in the Greek colonies in Italy, e.g. the famous Tomb of the Diver at Paestum. Some scholars suggest that the celebrated Roman frescoes at sites like Pompeii are the direct descendants of Greek tradition, and that some of them copy famous panel paintings.
  • There were several interconnected traditions of painting in ancient Greece. Due to their technical differences, they underwent somewhat differentiated developments. Not all painting techniques are equally well represented in the archaeological record. [edit] Panel painting [show] List of known Ancient Greek painters One of the Pitsa panels, the only surviving panel paintings from Archaic Greece.   Agatharchus Antiphilus Apelles Apollodorus (painter) Aristides of Thebes Cimon of Cleonae Echion (painter) Euphranor Eupompus Melanthius Nicomachus of Thebes Panaenus Parrhasius Pausias Polyeidos (poet) Polygnotus Protogenes Theon of Samos Timarete Timomachus Zeuxis and Parrhasius The most respected form of art, according to authors like Pliny or Pausanias , were individual, mobile paintings on wooden boards, technically described as panel paintings . The techniques used were encaustic (wax) painting and tempera . Such paintings normally depicted figural scenes, including portraits and still-lifes ; we have descriptions of many compositions. They were collected and often displayed in public spaces. Pausanias describes such exhibitions at Athens and Delphi . We know the names of many famous painters, mainly of the Classical and Hellenistic periods, from literature (see expandable list to the right). Unfortunately, due to the perishable nature of the materials used and the major upheavals at the end of antiquity, not one of the famous works of Greek panel painting has survived, nor even any of the copies that doubtlessly existed, and which give us most of our knowledge of Greek sculpture. The most important surviving Greek examples are the fairly low-quality Pitsa panels from circa 530 BC, and a large group of much later Graeco-Roman archaeological survivals from the dry conditions of Egypt, the Fayum mummy portraits , together with the similar Severan Tondo . Byzantine icons are also derived from the encaustic panel painting tradition. [edit] Wall painting Symposium scene in the Tomb of the Diver at Paestum, circa 480 BC. The tradition of wall painting in Greece goes back at least to the Minoan and Mycenaean Bronze Age , with the lavish fresco decoration of sites like Knossos , Tiryns and Mycenae . It is not clear, whether there is any continuity between these antecedents and later Greek wall paintings. Wall paintings are frequently described in Pausanias, and many appear to have been produced in the Classical and Hellenistic periods. Due to the lack of architecture surviving intact, not many are preserved. The most notable examples are a monumental Archaic 7th century BC scene of hoplite combat from inside a temple at Kalapodi (near Thebes ), and the elaborate frescoes from the 4th century "Grave of Phillipp" and the "Tomb of Persephone" at Verg in a in Macedonia http://en.wikipedia.org
Aisha P

Epic Arts - 0 views

shared by Aisha P on 15 Apr 10 - Cached
  •  
    Our Mission Epic Arts is a grassroots non-profit organization that promotes collaboration and community development through the arts. Since 1997, we have been working to build community partnerships, mobilize local artists, produce cultural events, and develop resources and facilities that ensure accessibility for artists, performers and audiences.
Yen Yu C

http://www.childtrafficking.com - 0 views

  •  
    Terre des hommes Foundation, Lausanne, (Tdh) has focused on child trafficking since 1999. Resisting child trafficking is one of its organisational priorities. Terre des hommes has developed an understanding of child trafficking from its fieldwork experience in several countries, from its expertise in child rights and from the collective experience and knowledge of other agencies. From this accumulated experience and knowledge, Terre des hommes has developed its response.
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