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Old 10-11-2013, 08:10 AM   #1
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Default Pollinators easily enhanced by flowering agri-environment schemes

Pollinators easily enhanced by flowering agri-environment schemes
EurekAlert
Public release date: 10-Jun-2013
[Contact: David Kleijn

http://www.eurekalert.org/pub_releases/2013-06/pp-pee060713.php
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Agri-environment schemes aimed to promote biodiversity on farmland have positive effects on wild bees, hoverflies and butterflies. Effects on diversity and abundance were strongest when agri-environment schemes prescribed sowing wild-flowers, the more flowering species the better. Organic farms, set-aside land or fields receiving reduced amounts of fertilizer and pesticides generally hosted more wild pollinators than conventionally farmed land. Jeroen Scheper of Alterra Research Institute and colleagues demonstrated this by analysing the results of 71 studies that had looked at the effects of implementing agri-environment schemes in various European countries.

'There has been a lot of debate about the effectiveness of agri-environment schemes so the results were a bit of a surprise' said co-author David Kleijn. 'We don't know whether the results indicate that agri-environment schemes boost pollinator populations or that they temporarily attract pollinators from surrounding areas. Positive effects were restricted to very common species. However, recently there has been a lot of concern that the decline of pollinators might result in pollination limitation of insect-pollinated crops. Wild bees are excellent pollinators and common species do just the trick. All you have to do to enhance the wild pollinators of crops on farmland is increase flower abundance in field margins roadsides or crop edges...
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Old 10-20-2013, 10:53 AM   #2
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The technology of the elite owes ecology an apology and I wonít hold my breath waiting for it. Ya know what would really "enhance" pollinator habitat>>>? Demanding that industrial agricultural practices that benefit the elite be abandoned.... which we won't do because.... we're still allowing ourselves to get fed the line of crap that the trade offs are being offset by our ability to stave off the catastrophic effects of global warming while feeding the world's burgeoning population. We probably don't even know 1% of what the long term consequences will be yet we keep on obliterating more of our wilds planting their GMOed seeds!!!
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