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The findings have important implications for agricultural and land-use policies worldwide, said study leader Lucas A. Garibaldi, an agricultural scientist at the National University of Rio Negro in Argentina: Unless habitats for wild insects are protected and nurtured, farmers around the world could face a future of drastically lower yields. Scientists have long warned that plowing landscapes into vast, single-crop fields and orchards eliminates the range of soil, wildflowers and other vegetation that is crucial to support multiple species of wild pollinators, including bees, flies, beetles and butterflies. As these insect populations have dwindled, farmers have resorted to using rented interlopers, generally Apis mellifera, during flowering season.
Garibaldi and his colleagues from North and South America, Europe, Australia, Africa and the Middle East analyzed data that had been collected in earlier studies based on direct observation of insect activity in small swaths of 600 fields in 19 countries. Researchers generally counted insects, flowers and pollen grains over varying periods of time on crops that represented different landscapes and management techniques. Some fields were heavily dependent on domesticated bees; in others, wild insects prevailed. Even in fields dominated by domesticated bees, farmers often get more effective pollination services from native insects, said study coauthor Rachael Winfree, a pollination ecologist at Rutgers University in New Brunswick, N.J.
"At 90% of farms studied in New Jersey and Pennsylvania, native wild bees are fully pollinating the watermelon crop," making rented bees unnecessary, Winfree said. But farmers don't realize this. "They're thinking they need them but they don't," she said. In California, the $3-billion almond industry spends $239 million annually to rent more than 1 million bee hives every year. To get that many pollinators, growers have been renting honeybees — an increasingly expensive practice as colony collapse disorder wipes out bees by the millions, for reasons that remain poorly understood. In some California orchards, the data showed that pollination by rented honeybees got a significant boost when wild bees were present, possibly because the wild insects prompted the hired guns to fly more frequently among different varieties of trees in an orchard, said Claire Kremen, a UC Berkeley conservation biologist who contributed to the study. However, she noted that most almond fields don't receive that benefit because habitat for wild insects has been destroyed. Laurence Packer, who studies wild bees at York University in Toronto and wasn't involved with the new report, praised the work for its breadth and geographical scope. The findings are important and should be taken seriously, he said.
Originally posted by sonnny1
reply to post by CrypticSouthpaw
My question with ALL this? How long will it take the wild bee to become infected with GMO based crops, if they haven't already?
S&F for the info.
Abstract RNA-containing viruses represent a global threat to the health and wellbeing of humans and animals. Hence, the discovery of new approaches for the design of novel vaccines and antiviral compounds attains high attention. Here we describe the potential of artificial ribonucleases (aRNases), low molecular weight compounds capable to cleave phosphodiester bonds in RNA under mild conditions, to act as antiviral compounds via destroying the genome of non-enveloped RNA viruses, and the potential of utilizing honey bee larvae and adult bees (Apis mellifera) as a novel experimental system for the screening of new antiviral compounds. Pre-incubation of an Acute bee paralysis virus (ABPV) suspension with aRNases D3-12, K-D-1 or Dp12F6 in a concentration-dependent manner increased the survival rate of bee larvae and adult bees subsequently infected with these preparations, whereas incubation of the virus with aRNases ABL3C3 or L2-3 had no effect at all. The results of RT-PCR analysis of viral RNA isolated from aRNase-treated virus particles confirmed that virus inactivation occurs via degradation of viral genomic RNA: dose-dependent inactivation of ABPV correlates well with the cleavage of viral RNA. Electron microscopy analysis revealed that the morphology of ABPV particles inactivated by aRNases remains unaffected as compared to control virus preparations. Altogether the obtained results clearly demonstrate the potential of aRNases as a new virus inactivation agents and bee larvae/ABPV as a new in vivo system for the screening of antiviral compounds.
Originally posted by Hopechest
Those Honeybees were brought over from England, no wonder they are frail.
Time to get some American insects to save the day once again.
Originally posted by Hopechest
reply to post by CrypticSouthpaw
Hehe, your far more intelligent on this than I am, I was just making a funny against the Brits.
I love them dearly but really enjoy teasing them.
My apoligies.