The original paper is available via the open access journal PLoS: http://www.plosbiology.org/article/info%3Adoi%2F10.1371%2Fjournal.pbio.1001127 http://www.plos

The original paper is available via the open access journal PLoS: http://www.plosbiology.org/article/info%3Adoi%2F10.1371%2Fjournal.pbio.1001127 http://www.plosbiology.org/article/info%3Adoi%2F10.1371%2Fjo... Also worth reading is Robert May's commentary "Why Worry about How Many Species and Their Loss?" http://www.plosbiology.org/article/info%3Adoi%2F10.1371%2Fjournal.pbio.1001130;jsessionid=2084C66767709ED73A918850DEC2041B.ambra01 http://www.plosbiology.org/article/info%3Adoi%2F10.1371%2Fjo...