| By Margot O'Neill The dramatic ongoing loss of Australian animal and plant species has prompted influential scientists to call on governments to start making tough decisions about which ones to save - and which species should be left to face extinction. The proposal to triage species comes from biologists who say the current focus on saving all of Australia's 1,500 threatened species is misplaced, and believe there should be more emphasis on saving the most vital ecosystems and species. Professor David Bowman, an expert in environmental change biology, says the difficulty is confronting the notion that not all species are equal. He says species numbering less than a few hundred in the wild, like the orange-bellied parrot, are "zombie species". "There are heroic efforts to try to keep it going in the wild. You really have to look at that expenditure and ask 'is this really a smart use of money?'" he said. More » |
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