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Precis - Essay Example

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Camille Parmesan, an ecologist at the University of Texas, argues that many species will shift thousands of kilometers closer to the poles when the rate of heating increases and that many species that shifted habitat thousands of years ago may be much challenged when doing it…
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Download file to see previous pages... Enhancement of human assisted migration gives the best solution for preventing the extinction of surviving species in our ecosystem. If the climate change report predictions of 2 to 6 degrees Celsius of warming rate for the twenty century were true, then there would be minimal time for the stranded species to shift to better habitats unless there is human intervention. Many consider it scary and risky to carry and bring these outside species into the communities that they can flourish. While others consider it being a much more risk when the species do not adapt to the new habitats they are taken and also claim the impossibility of moving all the species together to their new ecosystem. If the species were to be left to try and adapt the harsh climates it would lead to more of the species getting to extinction which is a more risk than taking them to better places.
Townsend Peterson lead a team at the university of Kansas which created a model which predicts that species turnover due to local die offs and new arrivals will exceed 40 percent in many places due to the harsh climate change. The team took a population of 1870 species of insects, birds, and mammals across Mexico and based their arguments on the projections of the climate changes in the year 2055. This team published their model in Nature in order to give people a clear view of the predictions that have already begun in several areas and take the precautions so as to protect the existing species from die offs for instance, the die offs that have withered juniper-pinon woodlands across the American Southwest. The region suffered from drought in 1950s and again starting several years ago (Douglas ,6).
Future predictions can be made by the use of models and since the climate models predict increasingly frequent drought in the Southwest, the species there will either die off or migrate. Harsh climatic conditions ...Download file to see next pagesRead More
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