North American Honeybees Declining
13.12.2006 16:04 Science - Source: ScienceNewsBlog.com
The Environment News Service reports that a new study from the National Research Council has found that honeybees and other pollinators are declining in North America. The report sounds a specific warning for the honeybee, which are vital to U.S. agriculture, pollinating more than 90 commercially grown crops. It can take a massive amount of bees to ensure a crop is suitably pollinated.
For example, it takes about 1.4 million colonies of honeybees to pollinate 550,000 acres of almond trees in California.
U.S. honeybee populations have declined at least 30 percent since the 1980s, when a non-native parasitic mite was introduced.
The committee said that the full extent of the decline is unclear because of problems with the way the federal government collects statistics on the beekeeping industry.
Antibiotic-resistant pathogens and encroachment by Africanized honeybees also are hurting North American honeybee levels, the committee said, and there is clear evidence of a honeybee shortage. The populations of other pollinators like butterflies, bats and hummingbirds are also on the decline.
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