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Victoria B

People of the Rainforest - 0 views

    • Victoria B
       
      this is going to be very useful to those who are doing the rainforest people.
    • Zoe P
       
      That is a good description
  • They wear little clothing because it is always warm in the rainforest. They make their clothing from leaves and things they find in the rainforest, too. Their way of life is in danger because of the destruction of the rainforest that they live in. The government has tried to teach them how to farm, but the Mbuti don't want to change the way they live.
    • Victoria B
       
      Must concentrate on this hilighted place important for project
  • ...5 more annotations...
  • The people of the rainforest have learned how to use the plants and animals of the rainforest without harming it.
  • They are some of the shortest people on earth.
    • Zoe P
       
      THis is anserwing my what they wear question must look up more
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    Rainforest p how they live
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    Good info for people who are doing rain forest people
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    Rainforest p how they live
Marius S

Rainforests - 0 views

shared by Marius S on 16 Sep 09 - Cached
Marius S liked it
  • What We Can Do To Save Them Learn and Share Information The first step toward saving the rainforests is to learn about them. Through reading we can explore the wonders of the rainforests without ever visiting them. Once we learn about them we need to share our knowledge with others. Letters to our congressional representatives can influence those in power and encourage discussion on the rainforest. And by talking to friends about the rainforests another person can become active in saving the them. Join Groups We can join a conservation group. The group can tell us what needs to be done to save the rainforests and how we can help. Or we can volunteer with the local zoo, nature center, botanical garden, or museum. We can learn a lot from the professionals that work there. Begin at Home Our own homes provide many chances to help save the rainforests. We can recycle all reusable materials. We can learn to use products made from rainforests in a thoughtful way. And we can protect living things in our own backyard. The plants and animals there also need protection. Ask Questions We can protect illegal trade of animals and plants from the wild by asking questions. We need to ask store owners if the plants and animals they sell were taken from the wild. Unless we ask questions, illegal trade will continue. Illegal trade leads to endangered species and extinction. Think Globally And we can encourage our local or national conservation organizations to help save the rainforests. It is necessary for all of us to be aware of and help with saving the rainforests. Although the rainforests cover on ly a small area of the world, far away from many of our homes, they have an effect on all of us.
    • Kengo M
       
      Can use for central Idea
    • Marius S
       
      Paragraph 3 (Q2) Paragraph 5 (Q1/3)
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    HOW TO SAVE THE RAIN FORESTS
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    HOW TO SAVE THE RAIN FORESTS
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    Great site!
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
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!
  • ...13 more annotations...
  • 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.
Kengo M

TeenLink: How to Write a Bibliography - 1 views

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    you can see how to do a bibliography here
Ajay V

How can we save rainforests? - 0 views

shared by Ajay V on 07 Sep 09 - Cached
  • Rainforests are disappearing very quickly. The good news is that there are a lot of people who want to save rainforests. The bad news is saving rainforests is not going to be easy. It will take the efforts of many people working together in order to ensure rainforests and their wildlife will survive for your children to appreciate and enjoy.
    • Ajay V
       
      A good introduction to how rainforests are getting destroyed
  • Teach others about the importance of the environment and how they can help save rainforests. Restore damaged ecosystems by planting trees on land where forests have been cut down. Encourage people to live in a way that doesn't hurt the environment Establish parks to protect rainforests and wildlife Support companies that operate in ways that minimize damage to the environment
    • Ajay V
       
      A variety of types to help save rainforests
  • ...1 more annotation...
    • Paul I
       
      reason immanq3
Satvik S

Rhinoceros - 0 views

  • The smallest rhinos are found in the tropical rainforests on the islands of Sumatra, Java and Borneo.  These two species are very rare and extremely difficult to find.  Only a few photographs of them in the wild have been taken.
    • Thomas C
       
      Those are the rhinos i'm intrested in.
  • Sumatran and Javan rhinos—use their speed to disappear to safety in the thick grass or jungle.
    • Thomas C
       
      I didn't know rhinos were fast.
  • For the rarest rhinos, the Sumatran and Javan rhinos, their survival may depend on how well we learn to breed them in captivity while we work to protect their wild tropical rainforest home from destruction.
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  • o study the behavior of animals so large and potentially dangerous can be difficult. Too close and you could get killed. Too far away and you can’t learn anything. So what to do?  Technology can help. First, the rhino can be carefully shot with a small dart containing a sleeping drug.  A few minutes later, after the rhino falls asleep, scientists can move in and attach a small radio transmitter. The transmitter will send back information about the rhino’s movements after it wakes up. Using computers and GPS signals, scientists can track a rhino in thick bush, over hilly country and even at night.  Over time, the rhino’s travels will build a map telling scientists where it wanders in the habitat—its territory.
    • Satvik S
       
      this is good stuff I never new how animals are seen on tv
  • Too close and you could get killed. Too far away and you can’t learn anything. So what to do?  Technology can help. First, the rhino can be carefully shot with a small dart containing a sleeping drug.  A few minutes later, after the rhino falls asleep, scientists can move in and attach a small radio transmitter. The transmitter will send back information about the rhino’s movements after it wakes up. Using computers and GPS signals, scientists can track a rhino in thick bush, over hilly country and even at night.  Over time, the rhino’s travels will build a map telling scientists where it wanders in the habitat—its territory.
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    this is nice info
Morgan V

Macaws - 0 views

  • Macaws are herbivores. They eat primarily seeds, nuts, and fruit. Using their impressive beaks, they have no problem opening even the toughest seed.
    • Elizabeth B
       
      Write this in my U.O.I book.
  • First they scratch a thin line with their beak’s sharp point, and then they shear the seed open. But inside some of those seeds are poisonous chemicals. How can macaws eat the seeds without getting sick or dying? They visit clay licks—the rainforest’s natural “drugstores.”
  • The Amazon rainforest has more than 100 of these special clay- and mineral-rich areas along riverbanks.
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  • Most macaws live in South and Central America. However, at least two species—scarlet macaws and military macaws—can be found in Mexico as well. Most macaws live in tropical rainforests, where they make nests in holes in trees, but some live in other habitats.
    • Elizabeth B
       
      look on diigo to remember this note.
  • Macaws face two major threats: habitat destruction and the pet trade. Places where macaws live are being destroyed mostly as a result of deforestation. More than 18,000 square kilometers of Amazon rainforest are cut down every year. That’s an area larger than the state of Connecticut in the United States! So many macaws have been captured and sold into the pet trade that this has become a serious problem.
  • macaws mate for life. They form breeding pairs called pair bonds that live together, groom each other, and share food. Macaws lay eggs once a year. Breeding seasons generally begin in late fall or early winter.
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    imformation about breading and how they live
Katie Day

Simple Machines - a ThinkQuest - 0 views

  • The Rats of NIMH were so intelligent that they learned how to use simple machines. They used them to build and move things, including Mrs. Frisby's house. Types of simple machines are the inclined plane, wheel and axle, screw, lever, pulley, and wedge. How many of these did you read about in the book? Look around your house and neighborhood. How many simple machines can you find?
Thomas C

Destroying Schools- How About the Taliban's View Please - 0 views

  • Destroying Schools- How About the Taliban's View Please
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    OK. Lets see what they think is right....or wrong.
Katie Day

YouTube - I'm a Mac ... and I've Got a Dirty Secret - 1 views

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    "Hello, I'm a Mac, and I'm helping fuel the war in the Congo -- the deadliest war in the world. So are PCs, cell phones, digital cameras and other electronics. That's what Apple's famous ads don't tell you. So actor/activist Brooke Smith and cinematographer Steven Lubensky teamed up with actors Joshua Malina and John Lehr to create a version that sets the record straight. To learn more about conflict minerals and how you can help end war in the Congo, visit www.raisehopeforcongo.org."
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
Lucy C

The Food Chain - 0 views

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    The Food Chain RealAudio Click here to be joined by your audio host! What is the difference between the 'Food Chain' and 'Food Web?' A popular misnomer, the 'food chain' is not actually a linear chain but a complex web. Energy is passed from one organism to another in a complex network like a spider's web. The food chain consists of four main parts: * The Sun, which provides the energy for everything on the planet. * Producers: these include all green plants. These are also known as autotrophs, since they make their own food. Producers are able to harness the energy of the sun to make food. Ultimately, every (aerobic) organism is dependent on plants for oxygen (which is the waste product from photosynthesis) and food (which is produced in the form of glucose through photosynthesis). They make up the bulk of the food chain or web. * Consumers: In short, consumers are every organism that eats something else. They include herbivores (animals that eat plants), carnivores (animals that eat other animals), parasites (animals that live off of other organisms by harming it), and scavengers (animals that eat dead animal carcasses). Primary consumers are the herbivores, and are the second largest biomass in an ecosystem. The animals that eat the herbivores (carnivores) make up the third largest biomass, and are also known as secondary consumers. This continues with tertiary consumers, etc. * Decomposers: These are mainly bacteria and fungi that convert dead matter into gases such as carbon and nitrogen to be released back into the air, soil, or water. Fungi, and other organisms that break down dead organic matter are known as saprophytes. Even though most of us hate those mushrooms or molds, they actually play a very important role. Without decomposers, the earth would be covered in trash. Decomposers are necessary since they recycle the nutrients to be used again by producers. This table shows the relational biomass of each of the major g
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
Ajay V

Rainforest Facts - 2 views

shared by Ajay V on 09 Sep 09 - Cached
  • It is estimated that nearly half of the world's estimated 10 million species of plants, animals, and microorganisms will be destroyed or severely threatened over the next quarter-century due to rainforest deforestation.
    • Marius S
       
      Wow!
  • Commercial logging is the single largest cause of rainforest destruction, both directly and indirectly. Other activities destroying the rainforest, including clearing land for grazing animals and subsistence farming. The simple fact is that people are destroying the Amazon rainforest and the rest of the rainforests of the world because "they can't see the forest for the trees."
    • Gurupranav G
       
      Useful if you are looking at the destruction of rainforests.
  • When a medicine man dies without passing his arts on to the next generation, the tribe and the world loses thousands of years of irreplaceable knowledge about medicinal plants.
    • Marius S
       
      Linked to a paragraph below...
  • ...19 more annotations...
  • Rainforests once covered 14% of the earth's land surface
    • Gurupranav G
       
      gurusQ4. Useful- Destruction of rainforests.
  • Most rainforests are cleared by chainsaws, bulldozers and fires for its timber value and then are followed by farming and ranching operations, even by world giants like Mitsubishi Corporation, Georgia Pacific, Texaco and Unocal.
    • Gurupranav G
       
      gurusQ4. Useful. Destruction of rainforests.
  • There were an estimated ten million Indians living in the Amazonian Rainforest five centuries ago. Today there are less than 200,000.
    • Audrey C
       
      Why though?
  • At least 3000 fruits are found in the rainforests; of these only 200 are now in use in the Western World.
    • Antonio D
       
      We should stop this!
  • The beauty, majesty, and timelessness of a primary rainforest are indescribable. It is impossible to capture on film, to describe in words, or to explain to those who have never had the awe-inspiring experience of standing in the heart of a primary rainforest.
  • Each time a rainforest medicine man dies, it is as if a library has burned down.
    • Chloe W
       
      I can't believe they have that much knowledge!
  • At least 80% of the developed world's diet originated in the tropical rainforest. Its bountiful gifts to the world include fruits like avocados, coconuts, figs, oranges, lemons, grapefruit, bananas, guavas, pineapples, mangos and tomatoes; vegetables including corn, potatoes, rice, winter squash and yams; spices like black pepper, cayenne, chocolate, cinnamon, cloves, ginger, sugar cane, tumeric, coffee and vanilla and nuts including Brazil nuts and cashews.
    • Chloe W
       
      WOW! It may not be the most unique foods and plants, but it is interesting that most of our things come from rainforests!
    • Chloe W
       
      Hopefully, this will come in handy for my central idea.
  • Two drugs obtained from a rainforest plant known as the Madagascar periwinkle, now extinct in the wild due to deforestation of the Madagascar rainforest, have increased the chances of survival for children with leukemia from 20 percent to 80 percent. Think about it: eight out of ten children are now saved, rather than eight of ten children dying from leukemia. How many children have been spared and how many more will continue to be spared because of this single rainforest plant? What if we had failed to discover this one important plant among millions before human activities had led to its extinction? When our remaining rainforests are gone, the rare plants and animals will be lost forever-and so will the possible cures for diseases like cancer they can provide.
    • Marius S
       
      Because of deforestation, all this has happened!
  • Rainforests have evolved over millions of years to turn into the incredibly complex environments they are today. Rainforests represent a store of living and breathing renewable natural resources that for eons, by virtue of their richness in both animal and plant species, have contributed a wealth of resources for the survival and well-being of humankind. These resources have included basic food supplies, clothing, shelter, fuel, spices, industrial raw materials, and medicine for all those who have lived in the majesty of the forest. However, the inner dynamics of a tropical rainforest is an intricate and fragile system. Everything is so interdependent that upsetting one part can lead to unknown damage or even destruction of the whole. Sadly, it has taken only a century of human intervention to destroy what nature designed to last forever. The scale of human pressures on ecosystems everywhere has increased enormously in the last few decades. Since 1980 the global economy has tripled in size and the world population has increased by 30 percent. Consumption of everything on the planet has risen- at a cost to our ecosystems. In 2001, The World Resources Institute estimated that the demand for rice, wheat, and corn is expected to grow by 40% by 2020, increasing irrigation water demands by 50% or more. They further reported that the demand for wood could double by the year 2050; unfortunately, it is still the tropical forests of the world that supply the bulk of the world's demand for wood.
    • Yen Yu C
       
      rainforest could be gone if the wood suplies keeps going up like this!
  • In 1950, about 15 percent of the Earth's land surface was covered by rainforest. Today, more than half has already gone up in smoke. In fewer than fifty years, more than half of the world's tropical rainforests have fallen victim to fire and the chain saw, and the rate of destruction is still accelerating. Unbelievably, more than 200,000 acres of rainforest are burned every day. That is more than 150 acres lost every minute of every day, and 78 million acres lost every year! More than 20 percent of the Amazon rainforest is already gone, and much more is severely threatened as the destruction continues. It is estimated that the Amazon alone is vanishing at a rate of 20,000 square miles a year. If nothing is done to curb this trend, the entire Amazon could well be gone within fifty years. Massive deforestation brings with it many ugly consequences-air and water pollution, soil erosion, malaria epidemics, the release of carbon dioxide into the atmosphere, the eviction and decimation of indigenous Indian tribes, and the loss of biodiversity through extinction of plants and animals. Fewer rainforests mean less rain, less oxygen for us to breathe, and an increased threat from global warming.
    • Yen Yu C
       
      that is just scary but it is something we must know inorder for someone to solve the problem someday...i guess
  • But who is really to blame? Consider what we industrialized Americans have done to our own homeland. We converted 90 percent of North America's virgin forests into firewood, shingles, furniture, railroad ties, and paper. Other industrialized countries have done no better. Malaysia, Indonesia, Brazil, and other tropical countries with rainforests are often branded as "environmental villains" of the world, mainly because of their reported levels of destruction of their rainforests. But despite the levels of deforestation, up to 60 percent of their territory is still covered by natural tropical forests. In fact, today, much of the pressures on their remaining rainforests comes from servicing the needs and markets for wood products in industrialized countries that have already depleted their own natural resources. Industrial countries would not be buying rainforest hardwoods and timber had we not cut down our own trees long ago, nor would poachers in the Amazon jungle be slaughtering jaguar, ocelot, caiman, and otter if we did not provide lucrative markets for their skins in Berlin, Paris, and Tokyo.
    • Yen Yu C
       
      why really is to blame??i think it's every human that lives in a house and have wonerful furnitures . I think even me.....us....
    • Yen Yu C
       
      good for some of my questions.....
  • More than half of the world's estimated 10 million species of plants, animals and insects live in the tropical rainforests. One-fifth of the world's fresh water is in the Amazon Basin.
    • Gurupranav G
       
      Useful for my Q1, Q3
  • It is estimated that a single hectare (2.47 acres) of Amazon rainforest contains about 900 tons of living plants, including more than 750 types of trees and 1500 other plants.
    • Gurupranav G
       
      Useful if you are loking at the biodiversity of a rainforest.
  • Destruction of our rainforests is not only causing the extinction of plant and animal species, it is also wiping out indigenous peoples who live in the rainforest.
    • Gurupranav G
       
      Useful for my Q4
  • he problem and the solution of the destruction of the rainforest are both economic. Governments need money to service their debts, squatters and settlers need money to feed their families, and companies need to make profits. The simple fact is that the rainforest is being destroyed for the income and profits it yields, however fleeting. Money still makes the world go around . . . even in South America and even in the rainforest. But this also means that if landowners, governments, and those living in the rainforest today were given a viable economic reason not to destroy the rainforest, it could and would be saved. And this viable economic alternative does exist, and it is working today. Many organizations have demonstrated that if the medicinal plants, fruits, nuts, oils, and other resources like rubber, chocolate, and chicle (used to make chewing gums) are harvested sustainably, rainforest land has much more economic value today and more long-term income and profits for the future than if just timber is harvested or burned down for cattle or farming operations. In fact, the latest statistics prove that rainforest land converted to cattle operations yields the landowner $60 per acre; if timber is harvested, the land is worth $400 per acre. However, if medicinal plants, fruits, nuts, rubber, chocolate, and other renewable and sustainable resources are harvested, the land will yield the landowner $2,400 per acre. This value provides an income not only today, but year after year - for generations. These sustainable resources - not the trees - are the true wealth of the rainforest.
    • Gurupranav G
       
      Useful for my Q4. Tells you the basic reason why rainforests are being destroyed.
    • Marius S
       
      That's interesting...
  • More than 20 percent of the world oxygen is produced in the Amazon Rainforest.
  • And while 25% of Western pharmaceuticals are derived from rainforest ingredients, less than 1% of these tropical trees and plants have been tested by scientists.
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    Its good
  • ...4 more comments...
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    At least 3000 fruits are found in the rainforests; of these only 200 are now in use in the Western World
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    Its intersting, and I never knew that!
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    Loads of inforamation... really good!
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    a commercial website that has a page of rainforest facts aimed at students doing reports
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    At least 3000 fruits are found in the rainforests; of these only 200 are now in use in the Western World
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    At least 3000 fruits are found in the rainforests; of these only 200 are now in use in the Western World
Paul I

Rainforest Facts - 0 views

  • here are many different types of rain forests. They can grow on mountains, seacoasts, plains, or in river valleys. How are they different from each other? One difference is how much rain falls in a year. Another is the average temperature. The plants and animals which live in each type of rain forest can be different too.
    • Paul I
       
      this is a way to tell the difference between biomes
  • Tropical means close to the equator. The equator is an imaginary belt which circles the earth and divides it into two halves. Near the equator, the sun shines directly on the earth. The areas directly above and below the equator are called the tropics and are always warm and humid, much like summertime.
Antara V

Tropical Rainforests of the World - 0 views

shared by Antara V on 22 Sep 09 - Cached
Xavier M liked it
  • Rainforest cover by biogeographical realm Realm Percent share of world rainforest cover Millionsquare miles Millionhectares Ethiopian/Afrotropical 30.0% 0.72 187.5 Australasian 9.0% 0.22 56.3 Oriental or Indomalayan 16.0% 0.39 100.0 Neotropical 45.0% 1.08 281.2 Total 2.41 625.0
    • Aman DC
       
      this tells you how many countries use rainforests and how much they use them
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.
Katie Day

British Library: Beowulf - read and listen - 0 views

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    Includes audio of someone reading the original Beowulf.... "This exercise will show you how English was written and spoken a thousand years ago. At first the words may seem completely unfamiliar. But, look closely, and you'll find plenty of links to the modern English of today. This passage is from the epic tale of Beowulf, a tale told around winter fires on long evenings in Britain in the Dark Ages. The manuscript shown here is 1000 years old; blackened edges to the pages are the result of a fire in the Cotton Library in 1731. But the story of Beowulf is 2 or perhaps 3 centuries older."
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