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Scoop.it!
The proliferation of beavers and minks at Chile's southern tip - a legacy of a failed attempt to establish a fur industry - threatens biodiversity in one of the world's most pristine corners. Via Garry Rogers 
Scoop.it!
Introduction to Invasive Plants in Deserts One or a few species of invasive plants can replace native plant communities across entire landscapes. Biodiversity and stability of vegetation, soils, and wildlife decline dramatically. Once the replacement is complete, it is difficult to restore the original species. In some instances, the replacement is so widespread there are not enough resources available to achieve restoration. The loss is permanent. Invasive non-native species are a central management concern for all wild land managers because they “threaten biodiversity and other ecological functions and values” (Warner et al. 2003). This statement represents a consensus by the scientists and land managers concerned with natural ecosystems (e.g., Mau-Crimmins et al. 2005). Native vegetation is more diverse, resilient, and persistent than invasive plant vegetation; it provides food and cover for wildlife, absorbs precipitation, increases water storage, protects soil, reduces flooding and sedimentation, and helps maintain air and water quality. According to the Sonoran Institute: “Invasive species are the second most significant threat to biological diversity after direct habitat loss”. Via Garry Rogers
Garry Rogers's curator insight,
July 25, 2014 6:48 PM
GR: Invasive species, like storm troopers leading the surging ruin of global warming, are demolishing Earth’s ecosystems. |
Scoop.it!
For several years I've been observing, documenting and appreciating nature and the environment in Michigan. During those years, I've discovered some of the subjects I've photographed and written ab... Via Garry Rogers
Garry Rogers's curator insight,
January 12, 2015 1:59 PM
After direct habitat destruction by building, invasive species are the most destructive force that humans have dispersed through Earth ecosystems. Long before global warming has its day, invasive species will have destroyed many native habitats and species. |
GR: Human introductions (accidental and intentional) account for 99.99% of invasive species problems. It all began more than 500 years ago as sailing ships began crossing the great ocean barriers. Surprising that after all these years, we can still find problem species to transport.