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For sea turtles, there's no place like magnetic home
January 16, 2015 06:16 AM - University of North Carolina at Chapel Hill
Adult sea turtles find their way back to the beaches where they hatched by seeking out unique magnetic signatures along the coast, according to new evidence from the University of North Carolina at Chapel Hill. The findings will be reported in the Cell Press journal Current Biology on Jan. 15.
Did Palm Oil Expansion Play A Role In The Ebola Crisis?
January 15, 2015 04:32 PM - Emmanel K. Urey, MONGABAY.COM
TThe Ebola outbreak in West Africa may have been the result of complex economic and agricultural policies developed by authorities in Guinea and Liberia, according to a new commentary in Environment and Planning A. Looking at the economic activities around villages where Ebola first emerged, the investigators analyzed a shift in land-use activities in Guinea's forested region, particularly an increase in oil palm (Elaeis guineensis) cultivation.
Corals Threatened by Changing Ocean Conditions
January 12, 2015 09:20 AM - Woods Hole Oceanographic Institution
The lowering of the ocean’s pH is making it harder for corals to grow their skeletons and easier for bioeroding organisms to tear them down. Erosion rates increase tenfold in areas where corals are also exposed to high levels of nutrients, according to a study published January 2015 in the journal Geology. As sea level rises, these reefs may have a harder time growing toward the ocean surface, where they get sunlight they need to survive.
First 2 Fugitives from Interpol's Most Wanted Environmental List Nabbed
January 5, 2015 01:54 PM - Tex Dworkin, Care2
Launched in October 2014, Infra (which stands for “International Fugitive Round Up and Arrest”) Terra focuses on 139 fugitives altogether wanted by 36 member countries for crimes including illegal fishing, wildlife trafficking, trade and disposal of waste, logging and trading in illicit ivory.
California drought hard on Chinook salmon
January 5, 2015 09:14 AM - Alastair Bland, Yale Environment360
Gushing downpours finally arrived in California last month, when December rains brought some relief to a landscape parched after three years of severe drought.
But the rain came too late for thousands of Chinook salmon that spawned this summer and fall in the northern Central Valley. The Sacramento River, running lower than usual under the scorching sun, warmed into the low 60s — a temperature range that can be lethal to fertilized
Chinook, the largest species of Pacific salmon, need cool waters to reproduce.
Declining Monarch Butterfly Population Warrants Federal Protection
December 31, 2014 09:18 AM - Alicia Graef, Care2
As conservationists continue to worry about the possibility of a world without monarchs, they’ve gotten some hope with an announcement from the U.S. Fish and Wildlife Service (FWS) that federal protection may be warranted for these iconic butterflies. In August, the Center for Biological Diversity, Center for Food Safety, Xerces Society for Invertebrate Conservation and monarch scientist Dr. Lincoln Brower filed a legal petition with the FWS seeking protection for monarchs under the Endangered Species Act.
Trawling makes for skinny fish
December 29, 2014 02:05 PM - Tom Marshall, Planet Earth Online
Trawling the seabed doesn't just remove some of the fishes living there; it also makes some of the survivors thinner and less healthy by forcing them to use more energy finding less nutritious food. That's the conclusion of a new paper published in Proceedings of the Royal Society B, based on the work Dr Andrew Frederick Johnson undertook while studying for his PhD at Bangor University.
Penguins Affected by Tourism in Antarctica
December 29, 2014 09:16 AM - Alicia Graef, Care2
A trip to Antarctica might not be a dream vacation for everyone, but it’s on the list for many who are clearly willing to trek to there. While tourists are busy exploring the scenery and greeting the penguins who live there, scientists are raising concerns about how exposure to us could increase their risk of contracting infectious diseases. Scientists and disease experts believe the immune systems of penguins, and other species in the region, are less able to deal with pathogens that are commonplace in the rest of the world because they’ve been isolated for so long with few visitors.
Christmas gift for Gray Wolves in three states
December 26, 2014 08:32 AM - Alicia Graef, Care2
Christmas came early this year for gray wolves thanks to an awesome ruling handed down by a federal judge that immediately reinstated federal protection for them in the Great Lakes region.
The ruling affects wolves in Michigan, Minnesota and Wisconsin, and, unless overturned, will stop these three states from holding any more hunting and trapping seasons, which is expected to protect an estimated 3,700 wolves.
Carbon Dioxide Threat To Mussels' Shells
December 24, 2014 01:09 PM - The Ecologist, The Ecologist
The world's mussel population could be under threat as rising CO2 levels in atmosphere and oceans makes their shells weaker and more brittle shells - making them more vulnerable to stormy seas, and predation.