Animal Extinction - the greatest threat to mankind

ekim68

Mike
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Insect numbers down 25% since 1990, global study finds


The biggest assessment of global insect abundances to date shows a worrying drop of almost 25% in the last 30 years, with accelerating declines in Europe that shocked scientists.

The analysis combined 166 long-term surveys from almost 1,700 sites and found that some species were bucking the overall downward trend. In particular, freshwater insects have been increasing by 11% each decade following action to clean up polluted rivers and lakes. However, this group represent only about 10% of insect species and do not pollinate crops.
 

ekim68

Mike
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Feeding coral probiotics found to boost their chances of survival


Scientists are exploring many options when it comes to shoring up the wellbeing of coral reefs in the face of warming waters, and an international team of researchers is putting forward another possibility. Through experiments on stressed corals in the laboratory, the scientists were able to show how dosing them with helpful bacteria boosted their chances of survival, offering another tool they can turn to in large-scale efforts to restore Australia’s Great Barrier Reef.
 

ekim68

Mike
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As the climate changes, so will the places birds need.



Audubon scientists took advantage of 140 million observations, recorded by birders and scientists, to describe where 604 North American bird species live today—an area known as their “range.” They then used the latest climate models to project how each species’s range will shift as climate change and other human impacts advance across the continent.

The results are clear: Birds will be forced to relocate to find favorable homes. And they may not survive.
 

ekim68

Mike
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56,530

Study finds high levels of toxic pollutants in stranded dolphins and whales


This is the first study to date to publish a report examining concentrations in blubber tissues of stranded cetaceans of atrazine, an herbicide, DEP, (a phthalate ester found in plastics), NPE or nonylphenol ethoxylate commonly used in food packing, and triclosan, an antibacterial and antifungal agent present in some consumer products, including toothpaste, soaps, detergents and toys.
 

ekim68

Mike
Joined
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Messages
56,530

Loss of sea otters accelerating the effects of climate change


"We discovered that massive limestone reefs built by algae underpin the Aleutian Islands' kelp forest ecosystem," said Douglas Rasher, a senior research scientist at Bigelow Laboratory for Ocean Sciences and the lead author of the study. "However, these long-lived reefs are now disappearing before our eyes, and we're looking at a collapse likely on the order of decades rather than centuries."
 

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