Archive: 13/07/2011

Sea urchins cannot control invasive seaweeds

Exotic marine species, including giant seaweeds, are spreading fast, with harmful effects on native species, and are increasingly affecting the biodiversity of the Mediterranean seabed. Some native species, such as sea urchins ...

dateJul 13, 2011 in Ecology
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Fewer aphids in organic crop fields

Farmers who spray insecticides against aphids as a preventative measure only achieve a short-term effect with this method. In the long term, their fields will end up with even more aphids than untreated fields. This has been ...

dateJul 13, 2011 in Ecology
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Spread of fungus-farming beetles is bad news for trees

(PhysOrg.com) -- North Carolina State University researchers have found that a subset of fungus-farming ambrosia beetles may be in the early stages of a global epidemic threatening a number of economically important trees, ...

dateJul 13, 2011 in Ecology
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Critically endangered Amur leopards captured on video

Recent video footage from a survey on a group of critically endangered Amur leopards in the Russian Far East has yielded unexpectedly positive results, giving evidence that some wild groups of the big cat are showing clear ...

dateJul 13, 2011 in Ecology
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