The entertainment industry, social media and celebrity culture are all big drivers in nonfood uses of other species.
Robbie Burger, a macroecologist at the University of Kentucky who was not involved in the study, said that although the IUCN has the most data on biodiversity, it doesn’t account for all the ways humans encroach on other species. Nature is in more trouble now than at any other time in human history, with extinction looming over 1 million species of plants and animals, scientists said Monday. World & Nation Nature is in the worst shape in human history, U.N. Reducing the use of other animals would be more sustainable for the planet as a whole, Darimont said. The study, published last month in the journal Communications Biology, is the first to focus on the direct impacts of human predation on other species. That figure was much higher than Worm said he expected to find. In fact, after combing through the IUCN data, the researchers found that 13% of the species we exploit are either vulnerable, endangered or critically endangered. But the fact that modern humans exploit nearly one-third of all living vertebrate species - and use so many for nonfood purposes - is an indisputable sign that we are out of balance with the natural world, he added. “Our preindustrial ancestors may have engaged in sustainable harvesting behavior,” Darimont said. “Humanity has grossly overshot its role as a predator,” said study leader Chris Darimont, an ecologist and conservationist at Canada’s University of Victoria.
(The percentages add up to more than 100% because some species are used in multiple ways, the study authors said.) (Only wild animals were included in the analysis, so livestock such as chickens and cows didn’t count.)Īlso, about 55% of exploited species are kept as pets, and an additional 8% or so - primarily birds, reptiles and amphibians - are used to make products. It turned out that only around 55% of our victim species are killed for food, most of them other mammals and fish. The average California mountain lion is more likely to die at the hands of a human than of natural causes. Climate & Environment Humans are the greatest peril to mountain lions.
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