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Insect biodiversity : ウィキペディア英語版 | Insect biodiversity Insect biodiversity accounts for a large proportion of all biodiversity on the planet, with over 1,000,000 insect species described. ==Agriculture== In agricultural ecosystems, biodiversity is instrumentally important not only for the production of food, but for other ecological services as well, including the recycling of nutrients, regulation of microclimate and local hydrological processes, suppression of undesirable organisms and detoxification of noxious chemicals. In the United States alone, pollination by bees accounts for over US$9 billion of economic revenue . According to some estimates, over ⅓ of the human diet can be traced directly or indirectly to bee pollination . Losses of key pollinators have been reported in at least one region or country on every continent except Antarctica, which has no pollinators. The Millennium Ecosystem Assessment concluded that with the global decline in the amount of pollinators, there is not a complete loss of fruit or seeds, but a significant decrease in quantity and viability in fruits, and a lower number of seeds.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Insect biodiversity」の詳細全文を読む
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