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Measuring the Change and Evaluation of Forest Biodiversity in Beijing

Author: WuLiLi
Tutor: ZhangYing
School: Beijing Forestry University
Course: Population, Resources and Environmental Economics
Keywords: Forest biodiversity Simpson index Shannon-Wiener index Value Measurement
CLC: S718.5
Type: Master's thesis
Year: 2011
Downloads: 74
Quote: 0
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Abstract


Forest biodiversity is an important part of the ecological environment is the common wealth of mankind , to occupy an important place in human survival and sustainable economic and social development , and maintenance of terrestrial ecological balance . However , population growth and human activities on forest biological diversity being destroyed at an unprecedented rate , a serious impact on the overall function of play . Therefore, in order to deepen the understanding of the people on forest biodiversity and its protection and to strengthen the management of forest biodiversity change on forest biodiversity and value measure . The study combined the dominant tree species in the area in the the previous forest resources inventory data , Simpson index and Shannon-Wiener index calculated forest biodiversity is gradually increased ( biodiversity declined slightly in the third forest inventory ) and the overall level is lower than the average level of the same period of last year, forest biodiversity . At the same time , the use of insertion and time series analysis to predict the biodiversity index for 2004-2008 , the results show that the 2004-2008 forest biodiversity is increasing . In addition, the article also output value of forestry and forest biodiversity change in the relationship between the regression analysis . On the basis of the above-mentioned change measure , according to the forest ecosystem services assessment specification using the opportunity cost method to calculate the value of 2.344 billion yuan of the Beijing 2008 forest biodiversity . Finally, make recommendations for forest biological diversity conservation status and existing problems , in order to promote the sustainable development of the forest biodiversity conservation .

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CLC: > Agricultural Sciences > Forestry > Forestry basic science > Forest Biology > Forest Ecology
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