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How did Emperor Penguins survive the last ice age?
March 2, 2015 07:00 AM - University of Oxford
The study of how climate change has affected emperor penguins over the last 30,000 years found that only three populations may have survived during the last ice age, and that the Ross Sea in Antarctica was likely the refuge for one of these populations.
The findings, published in the journal Global Change Biology, suggest that while current climate conditions may be optimal for emperor penguins, conditions in the past were too extreme for large populations to survive.
In California, Beavers are essential to recovering wild salmon
March 1, 2015 04:35 PM - Miria Finn / onEarth, The Ecologist
With California's wild Coho salmon populations down to 1% of their former numbers, there's growing evidence that beavers - long reviled as a pest of the waterways - are essential to restore the species, writes Maria Finn. In the process, they raise water tables, recharge aquifers and improve water quality. What's not to love?
Beavers are the single most important factor in determining whether Coho salmon persist in California. They work night and day, don't need to be paid, and are incredible engineers.
China bans carved ivory imports
February 27, 2015 09:00 AM - Editor, MONGABAY.COM
China has established a one-year ban on imports of carved African elephant ivory.
Conservationists say the move, effective immediately, sends an important signal, but alone won't be enough to slow elephant poaching.
"This announcement is an encouraging signal that the Chinese government is ratcheting down the import of African elephant ivory into the country," said Iris Ho, director of wildlife for Humane Society International, in a statement. "We are hopeful that more meaningful actions are being considered by the leadership and relevant government agencies of China that will further strengthen the country’s efforts on combating the elephant poaching and ivory trafficking crisis."
Antifreeze protein from ticks fights frostbite in mice
February 26, 2015 08:54 AM - Ziba Kashef, Yale University
A protein that protects ticks from freezing temperatures also prevents frostbite when introduced in mice, a Yale-led study has found. The research is the first to demonstrate the protein’s ability to boost frostbite resistance in an adult mammal.
BLM vs the Sage Grouse
February 25, 2015 07:45 AM - Center for Biological Diversity
The Bureau of Land Management’s proposal to offer new oil and gas leases on 89,000 acres in northwestern Wyoming would have devastating effects on greater sage grouse, including allowing industrial operations in some of the birds’ most important nesting and rearing habitat, according to comments submitted to the agency this week by the Center for Biological Diversity. Even though sage grouse have declined 60 percent over six years in Wyoming, the plan repeatedly ignores federal scientists’ recommendations for protecting these prairie birds from fossil fuel development.
“Rather than protecting these vanishing birds, the BLM is proposing to hand over some of their last remaining habitat to the oil and gas industry,” said Michael Saul, an attorney with the Center. “A few companies may squeeze some short-term profits out of it, but the long-term effect will be pushing these great prairie birds toward extinction.”
Plastic-Eating Corals Discovered on Great Barrier Reef
February 24, 2015 02:49 PM - ARC Centre of Excellence for Coral Reef Studies
Researchers in Australia have found that corals commonly found on the Great Barrier Reef will eat micro-plastic pollution. “Corals are non-selective feeders and our results show that they can consume microplastics when the plastics are present in seawater,” says Dr Mia Hoogenboom, a Chief Investigator with the ARC Centre of Excellence for Coral Reef Studies at James Cook University.
ENN Releases App for Android Users
February 23, 2015 09:14 AM - ENN Editor
Last month ENN launched a new mobile app available at the iTunes store making it easier for you to connect with us and stay up to date with groundbreaking environmental news. Now, ENN releases the mobile app at Google Play, making it compatible for Android users.
ENN is more than just a gatherer of environmental news but rather a unique set of resources, archives, tools, and experts for the increasingly complex field of environmental science attracting readers from all levels of government, business and academia.
Apple users can download the app at the iTunes store.
Android users can download the app at Google Play.
Make sure you click on the app with the logo shown here.
Putting a value on forests
February 23, 2015 07:00 AM - Kaz Janowski, SciDevNet
The day I first set foot in a tropical rainforest, in Malaysia in the early 1980s, I experienced something profound. From the echoes of gibbons calling from the canopy in the early morning mist to the iridescent flash of a bird in a beam of sunlight, rainforests are a sensory delight as well as a marvel to anyone’s scientific curiosity.
As I subsequently watched these forests dwindle and, in some cases, vanish, I have felt an equally profound sense of loss and a nagging guilt that I was somehow part of the story, because I had done little to remedy the situation.
Center for Biological Diversity launches new Environmental Health Program
February 21, 2015 07:47 AM - Center for Biological Diversity
The Center for Biological Diversity this week launched its new Environmental Health program, greatly expanding its capacity to protect wildlife, people and the environment from pesticides, rodenticides, lead, mining, industrial pollution, and air and water pollution.
“The future of people is deeply intertwined with the fate of all the other species that evolved beside us,” said Lori Ann Burd, the program’s director. “This new program will work to protect biodiversity and human health from toxic substances while promoting a deep understanding of the connection between the health of people and imperiled species.”
Biodiversity may reduce threat of disease
February 20, 2015 08:45 AM - Victor Montoro, MONGABAY.COM
Biodiversity level changes can have consequences for species and habitats around the world. A new study published in the Proceedings of the Royal Society B, reaffirms previous findings that higher diversity in ecological communities may lead to reduced disease threat. The study concludes that higher amphibian diversity in the Brazilian Atlantic Forest is linked to a lower infection rate of a fungus that is devastating amphibian populations around the world.