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A dead carpenter bee. Pollinator decline is the reduction in abundance of insect and other animal pollinators in many ecosystems worldwide that began being recorded at the end of the 20th century. Multiple lines of evidence exist for the reduction of wild pollinator populations at the regional level, especially within Europe and North America.
[6] [65] While noting population increases for certain species of insects in particular areas, the authors reported an annual 2.5% loss of biomass. They wrote that the review "revealed dramatic rates of decline that may lead to the extinction of 40% of the world's insect species over the next few decades", [6] [66] a conclusion that was challenged.
Story at a glance New research underscores the negative effect of climate change on alpine bee populations. According to 60 years’ worth of data, bees in alpine regions are in an evolutionary ...
With the decline of both wild and domestic pollinator populations, pollination management is becoming an increasingly important part of horticulture.Factors that cause the loss of pollinators include pesticide misuse, unprofitability of beekeeping for honey, rapid transfer of pests and diseases to new areas of the globe, urban/suburban development, changing crop patterns, clearcut logging ...
Scientists have been sounding the alarm about the decline in beneficial insect populations for years. Studies show that many species of bees, butterflies, and other pollinators are in serious trouble.
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Starting in 2006, California almond growers began to suffer losses due to colony collapse disorder, a poorly understood phenomenon resulting in the decline of bee populations. [2] While this increased pollination expenses for many growers, high demand for almonds created an incentive to transport bees from across the United States to California.
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