Who are we sharing the planet with? Millions less species than previously thought, new ... - 0 views
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thinkahol * on 03 Jun 10ScienceDaily (June 2, 2010) - New calculations reveal that the number of species on Earth is likely to be in the order of several million rather than tens of millions. The findings, from a University of Melbourne-led study, are based on a new method of estimating tropical insect species -- the largest and one of the most difficult groups on the planet to study -- having significant implications for conservation efforts.