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Jérôme OLLIER

140 new species described by California Academy of Sciences in 2011 - California Academ... - 0 views

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    Ranging from goblin spiders to glow-in-the-dark sharks, spanning six continents and three oceans, these discoveries add to the family tree of life on Earth.
Jérôme OLLIER

Sea Urchins Destroy Reef Building Algae in Overfished Sites on Kenya's Coast - Science ... - 0 views

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    Sea Urchins Destroy Reef Building Algae in Overfished Sites on Kenya's Coast.
Jérôme OLLIER

More Frequent Drought Likely in Eastern Africa - USGS - 0 views

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    The increased frequency of drought observed in eastern Africa over the last 20 years is likely to continue as long as global temperatures continue to rise, according to new research published in Climate Dynamics.
Jérôme OLLIER

New Technique Improves Forecasts for Canada's Prized Salmon Fishery - @UCSDnews - 0 views

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    Method based on field data performs better than traditional management forecast tools.
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    Method based on field data performs better than traditional management forecast tools.
Jérôme OLLIER

Scientists from the California Academy of Sciences describe 17 new species of vibrantly... - 0 views

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    Team constructs new family tree for group of nudibranchs; discovers color mimics
Jérôme OLLIER

Scientists Identify New Species of Damselfish - @Scripps_Ocean - 0 views

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    New study co-authored by Scripps Oceanography identifies Corazon's Damsel, a previously unknown species of damselfish found off Madagascar.
Jérôme OLLIER

Technological Feats Highlight Scripps Oceanography Monsoon Research - @Scripps_Ocean - 0 views

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    Scientists examine a weather phenomenon central to the lives of billions from multiple angles.
Jérôme OLLIER

Sumatra coastal cave records stunning tsunami history - BBC - 0 views

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    Sumatra coastal cave records stunning tsunami history.
Jérôme OLLIER

Understanding subduction zone earthquakes - @geosociety via @physorg_com - 0 views

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    Understanding subduction zone earthquakes.
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    Understanding subduction zone earthquakes.
Jérôme OLLIER

Reef sharks in remote Chagos archipelago hit by big population decline - @mashable - 0 views

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    Reef sharks in remote Chagos archipelago hit by big population decline.
Jérôme OLLIER

First comprehensive study of NW Australia's deep corals completed - @SchmidtOcean - 0 views

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    Scientists circumnavigate and map the seafloor of the entire mesophotic (deep water) zone in ASHMORE Reef Marine Park.
Jérôme OLLIER

Via @SimonPierce - No Place Like Home? High Residency and Predictable Seasonal Movement... - 0 views

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    Highly mobile marine megafauna species, while widely distributed and frequently threatened, often aggregate in distinct localized habitats. Implementation of local management initiatives within these hotspots is more achievable than developing effective conservation strategies that encompass their entire distributions. Such measures have the potential for disproportionate population-level benefits but rely on a detailed understanding of spatiotemporal habitat use. To that end, we examined the residency and small-scale habitat use of 51 whale sharks (Rhincodon typus) over 5 years at an aggregation site in Tanzania using passive acoustic telemetry. Whale sharks were highly resident within and across years, with a combined maximum residency index of 0.39. Although fewer sharks were detected from March to September, residency was high throughout the year. Ancillary photographic-identification data showed that individual residency persisted before and after tag attachment. Kernel utilization distributions (KUD) and movement networks both revealed the same spatiotemporal pattern of habitat use, with a small core habitat (50% KUD area for all sharks combined = 12.99 km2) that predictably changed on a seasonal basis. Activity spaces did not differ with time of day, sex, or size of the sharks, indicating a population-level pattern driven by prey availability. The small and predictable core habitat area at this site means that site-based management options to reduce shark injuries and mortality from boat strike and fishing gear entanglement can be spatially targeted for maximum effectiveness and compliance by human users.
Jérôme OLLIER

Despite sea-level rise risks, migration to some threatened coastal areas may increase -... - 0 views

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    In coming decades as coastal communities around the world are expected to encounter sea-level rise, the general expectation has been that people's migration toward the coast will slow or reverse in many places.
Jérôme OLLIER

Climate change and ocean oxygen: Oxygen-poor zones shrank under past warm periods, scie... - 0 views

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    In the last 50 years, oxygen-deficient zones in the open ocean have increased. Scientists have attributed this development to rising global temperatures: Less oxygen dissolves in warmer water, and the tropical ocean's layers can become more stratified.
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