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n2doc Donating Member (1000+ posts) Send PM | Profile | Ignore Thu Sep-17-09 02:12 PM
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Life Without Bumblebees?
It's Not Just Honeybees That Are Mysteriously Dying
By Adam Federman, Earth Island Journal. Posted September 15, 2009.

Bombus franklini, a North American bumblebee, was last seen on August 9, 2006. Professor Emeritus Robbin Thorp, an entomologist at UC Davis, was doing survey work on Mt. Ashland in Oregon when he saw a single worker on a flower, Sulphur eriogonum, near the Pacific Crest Trail. He had last seen the bee in 2003, roughly in the same area, where it had once been very common. "August ninth," Thorp says. "I've got that indelibly emblazoned in my mind."

Thorp had been keeping tabs on the species since the late 1960s. In 1998, the US Forest Service, the Fish and Wildlife Service, and the Bureau of Land Management supported an intensive monitoring project to determine whether the bee should be listed as an endangered species, in part because of its narrow endemism. The total range of B. franklini is only 190 miles north to south, from southern Oregon to northern California, and 70 miles east to west between the Coast and Sierra-Cascade Ranges.

When Thorp began to monitor the bee, populations were robust, and he even estimated their range to be slightly further to the north and southwest than previously believed. The study was, in part, an attempt to find out why franklini's range is so restricted and other western bumblebees, such as its close relative Bombus occidentalis, are not. Thorp was investigating that question when something else occurred: Populations of both bees began to decline precipitously. "All of a sudden the bees disappeared out from under me," he says.

Bees, and particularly the European honeybee, Apis mellifera, have come to symbolize a deepening ecological crisis in North America. Colony Collapse Disorder, first reported in 2006, has been described as "an insect version of AIDS," ravaging honeybee colonies throughout North America. It has become a cause clbre of sorts, embraced by Hagen-Dazs, which features the bee on some of its pints of ice cream and asks consumers to imagine a world without pears, raspberries, and strawberries. In fact, the US has become so dependent on honeybees for agricultural purposes that in 2005, for the first time in 85 years, the US allowed for the importation of honeybees to meet pollination demands. Although millions of dollars have been invested in an effort to pinpoint the cause, the honeybee lobby and some environmental organizations say it's not enough, and argue that if dairy cows were disappearing, the response would be slightly more engaged.

more:

http://www.alternet.org/environment/142616/life_without...
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villager Donating Member (1000+ posts) Send PM | Profile | Ignore Thu Sep-17-09 02:23 PM
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1. though, ironically, if diary cows started to disappear, that would bring ecological *benefits*
...overall.....
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