New research shows that increased levels of carbon dioxide in the oceans cause changes that alter key nutrients essential to the reproduction of animals low on the food web.
animals
Posted inNews
Ancient Start of Animal Evolution Wasn't Delayed by Low Oxygen
New research finds that Earth had sufficient oxygen 1.4 billion years ago for animals to evolve. Therefore, low oxygen levels probably didn't hold back evolution, as scientists have long thought.
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Three–Dimensional Scans Illuminate Wildlife Environments
Detailed laser imaging of vegetation and landforms where animals live and roam offers revealing new perspectives on interactions between those creatures and their surroundings.
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Oil Dispersants Deadly to a Common Estuary Species
Research on two dispersants used to break up spilled oil suggests that the chemicals can kill or harm a widely–found shrimp important to estuary habitats. The toxicity increases in less salty water.
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Antarctic Sediment Plume Disrupts Deep-Water Community
Increased sedimentation from a melting glacier inhibits filter feeders in an Antarctic fjord.
Posted inResearch Spotlights
Cooling Galápagos Sea Surface Temperatures Affect Local Penguins
The Galápagos cold pool is expanding northward as a result of climate change, and local penguin populations are rising.
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Ice Loss Benefits Adélie Penguins—For Now
New research that may presage effects of climate change on this species looks back 22,000 years, finding robust growth in the East Antarctic population as melting followed the last ice age.
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How Bat Breath and Guano Can Change the Shapes of Caves
Researchers working in caves in Borneo and elsewhere are finding evidence that biological processes shape many tropical caves by slowly eating away at surrounding rock.
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Birds Ignore Volcano Blast, Puzzle Scientists
When a nearby volcano unexpectedly erupted in the midst of a behavioral study of Andean condors in Argentina, the researchers scrambled to observe disruption to condors' lives. Oddly, there was none.
Posted inResearch Spotlights
Survey Shows Where Arctic Marine Bird Populations Thrive
"Hot spots" of species richness currently include the Bering Sea, Lancaster Sound, Baffin Bay, and Davis Strait. Will this change as sea ice melts?