Forum - Climate Change Could Wipe Out a Third of Parasite Species, Study Finds
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Post 139523       September 13 '17 at 07:51 PM
By BeauHD from Slashdot's I'll-scratch-your-back-if-you-scratch-mine department:
An anonymous reader quotes a report from The New York Times (Warning: source may be paywalled, alternative source): Recently, scientists carried out the first large-scale study of what climate change may do to the world's much-loathed parasites. The team came to a startling conclusion: as many as one in three parasite species may face extinction in the next century. As global warming raises the planet's temperature, the researchers found, many species will lose territory in which to survive. Some of their hosts will be lost, too. Researchers have begun carefully studying the roles that parasites play. They make up the majority of the biomass in some ecosystems, outweighing predators sharing their environments by a factor of 20 to 1. For decades, scientists who studied food webs drew lines between species -- between wildebeest and the grass they grazed on, for example, and between the wildebeest and the lions that ate them. In a major oversight, they didn't factor in the extent to which parasites feed on hosts. As it turns out, as much as 80 percent of the lines in a given food web are links to parasites. They are big players in the food supply.

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