Archive: 07/13/2011

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, ...

Jul 13, 2011 5 / 5 (1) 0

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 ...

Jul 13, 2011 5 / 5 (1) 0