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2022-03-13
摘要翻译:
全球评估表明,未来的气候变化可能会对森林生态系统产生重大影响。本研究评估了预计气候变化对印度森林生态系统的影响。这一评估是基于哈德利中心区域气候模型(HadRM3)的气候预测,使用了《排放情景特别报告》的A2(740 ppm CO2)和B2(575ppm CO2)情景以及BIOME4植被响应模型。主要结论是,根据2085年的气候预测,在A2和B2情景下,印度77%和68%的森林网格可能会经历森林类型的转变。迹象表明,在没有人为影响的情况下,东北地区向湿润的森林类型转移,西北地区向干旱的森林类型转移。大气CO2浓度的增加和气候变暖也可能导致净初级生产力在A2假设情况下增加一倍,在B2假设情况下增加近70%。可以认为影响的趋势是强劲的,但由于气候预测的不确定性,应谨慎看待影响的幅度。鉴于气候变化对森林生态系统可能产生影响的预测趋势,必须将气候变化考虑纳入森林部门的长期规划进程。
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英文标题:
《Impact of Climate Change on Forests in India》
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作者:
N. H. Ravindranath, N.V. Joshi, R. Sukumar and A. Saxena
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最新提交年份:
2005
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分类信息:

一级分类:Quantitative Biology        数量生物学
二级分类:Other Quantitative Biology        其他定量生物学
分类描述:Work in quantitative biology that does not fit into the other q-bio classifications
不适合其他q-bio分类的定量生物学工作
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英文摘要:
  Global assessments have shown that future climate change is likely to significantly impact forest ecosystems. The present study makes an assessment of the impact of projected climate change on forest ecosystems in India. This assessment is based on climate projections of Regional Climate Model of the Hadley Centre (HadRM3) using the A2 (740 ppm CO2) and B2 (575 ppm CO2) scenarios of Special Report on Emissions Scenarios and the BIOME4 vegetation response model. The main conclusion is that under the climate projection for the year 2085, 77% and 68% of the forested grids in India are likely to experience shift in forest types under A2 and B2 scenario, respectively. Indications are a shift towards wetter forest types in the northeastern region and drier forest types in the northwestern region in the absence of human influence. Increasing atmospheric CO2 concentration and climate warming could also result in a doubling of net primary productivity under the A2 scenario and nearly 70% increase under the B2 scenario. The trends of impacts could be considered as robust but the magnitudes should be viewed with caution, due to the uncertainty in climate projections. Given the projected trends of likely impacts of climate change on forest ecosystems, it is important to incorporate climate change consideration in forest sector long-term planning process.
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PDF链接:
https://arxiv.org/pdf/q-bio/0511001
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