Change: A key threat to the species is human technology and development. Their environment is located close to Russian borders with China and North Korea, making   View changes from previous version. (Word count: 756)

Change: Moved by bedding7 Jan 10 2009, 2:59 PM EST

Change: http://news.mongabay.com/2008/1210-biodiversity.htmlModern agricultural practices strip the Earth of its thin layer of topsoil through water and wind erosion, destroying this precious micro ecosystem that takes centuries to form and supports all life on land. Furthermore, bee populations are plummeting as a   View changes from previous version. (Word count: 380)

Change:  susceptible to a given amount of disturbance." Vamosi says that 20 to 45 per cent of species in the tropics are at risk. The tropics hold 60 percent of Earth's plant species despite making up only 12 percent of its land mass.   View changes from previous version. (Word count: 372)

Change: "Our findings differ from previous ones in that factors tightly linked to human activity were not particularly important in determining how many plant species were   View changes from previous version. (Word count: 290)

Change:  will be seriously threatened. . .Tropical plant species face an inherently high extinction risk due to small populations and restricted ranges relative to temperate species, reports research published in PLoS ONE. These traits leave them vulnerable to habitat disturbance and climate change.   View changes from previous version. (Word count: 153)

Change: Created by moviemaker63 Dec 31 2008, 8:15 PM EST for: no reason given