Biodiversity

Things related to the web of life; ecology; wildlife; endangered species

"Buzzkill: EPA Rejects Beekeepers’ Pesticide Petition"

"Beekeepers in the U.S., looking for a way to stop or slow the die-offs devastating their industry, are watching their options dwindle along with the bees. Last week, the Environmental Protection Agency (EPA) rejected a petition [PDF] that beekeepers and environmental groups filed back in March asking EPA to stop sales of clothianidin, a pesticide believed to be harmful to bees. EPA said use of the chemical does not present an “imminent hazard” — the requirement to suspend registration of a pesticide."

Source: Grist, 07/26/2012

"Is the Fatal Amphibian Chytrid Fungus Spread via Pet Frogs?"

Researchers are studying whether the chytrid fungus -- which has decimated frog and salamander populations around the world -- is being spread among wild amphibians by the release of infected animals bought at pet stores. The fungus has devastated some 200 species globally, and may be responsible for the greatest known disease-caused loss of biodiversity in recorded history.

Source: Scientific American, 07/23/2012

"Climate Change Drives Salmon Evolution"

"For salmon trying to make it upriver to spawn before a hot summer hits, slow and steady loses the evolutionary race. Salmon DNA records stretching back over 30 years show that nature has increasingly selected for fish that migrate from the ocean earlier in the year. It is among the first pieces of genetic evidence that climate change is driving the evolution of a species."

Source: New Scientist, 07/12/2012

"How to Rescue the World’s Reefs?"

"This week a major conference in Cairns, Australia, is focusing on threats to coral reefs. Across the globe, reefs have been savaged by rising sea temperatures, overfishing, pollution and ocean acidification – a phenomenon related to rising carbon dioxide levels in the atmosphere that make it difficult for creatures to build their shells and skeletons."

Source: Green/NYT, 07/11/2012

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