3 Ekim 2010 Pazar

Bad News for Bees: High Levels Of Pesticides & Breakdown Products Found in Bees Wax and Pollen Food

Mar 26, 2010 & Science News covers new investigate that suggests a trustworthy reason for "colony fall disorder" inspiring sugar bees. Over 700 samples of polish and pollen were taken from sugar bee hives, with exam formula indicating high levels of decay by a accumulation of pesticides. Key finding: the not only one or dual bad actors. Several sorts of pesticides and mangle down products were reported to be strong in pollen and wax, though not in bees still vital inside the hive so much; that equates to it is some-more about repeated margin exposures in all by workman bees and less about injustice of a sold sort of insecticide or surprising environmental conditions during the year.Christopher Mullin of Pennsylvania State University in University Park and his colleagues report drawn out insecticide tainting in 749 samples of bee-dom, a little of those chemicals at levels that would be poisonous if they occurred alone.Worker bees keep bringing residual pesticides behind until, somewhere outward the hive, they"re knocked down by generally high exposures or turn irrational due to season-long ongoing exposure.The sampling focused essentially on live bees extracted from the hives. These tended to be the queens, fruit nurses and teenagers - hive residents that arent on the containing alkali frontlines, foraging in insecticide treated with colour fields. Indeed, the actuality that researchers found so couple of full of health workman bees in most of the hives from that they perceived samples suggests that disgusted foragers probably die prior to they get home.In fact, a little of the pesticides that were rescued in hive materials can disorient bees. Which suggests most foragers that had been unwittingly carrying home such contaminants at last turn as well confused to find their front door.At last a investigate that posits a receptive reason that is not a one-off receptive to advice byte orderly finished "for the media." The summarized routine could be modeled and serve sampling finished to inspect workman bee mankind as a duty of informal insecticide sales records, and so on.Whats in a name.Before any one had a idea about what competence be causing "colony fall disorder" a general tenure such as CCD done sense. The media indispensable a accessible word and CCD was it. Time to stop meditative of the complaint as a puzzling disorder." Bees are insects. Insecticides kill insects.The tern CCD reminds me of the catch-all healing tenure "gastroenteritis." Anything from bad germ to parasites can minister to it. Doctors can reply to "gastroenteritis" by suggesting the studious wait for for it to go afar or by prescribing a far-reaching spectrum antibiotic - or by contrast for specific underlying causes and afterwards selecting a targeted treatment. Gastroenteritis, as a word - this is my point of result - tells zero about specific means and zero about that specific treatments are indicated. Once the doc names a micro-organism in your tummy the no longer "gastroenteritis."Simple solution.Once hives are found full of pesticides and relapse products the not a commotion the poisoning. Reduce exposures of workman bees to the point where insecticides are no longer found in the hives at poisonous levels. Then we"ll see if the "disorder" abates or not.John Laumer is an eccentric expert who assimilated TreeHugger.1 &
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