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首頁(yè)> 美國(guó)衛(wèi)生研究院文獻(xiàn)>Aquatic Biosystems >Stream invertebrate communities of Mongolia: current structure and expected changes due to climate change
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Stream invertebrate communities of Mongolia: current structure and expected changes due to climate change

機(jī)譯:蒙古河流無(wú)脊椎動(dòng)物群落:氣候變化導(dǎo)致的當(dāng)前結(jié)構(gòu)和預(yù)期變化

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摘要

BackgroundMongolia’s riverine landscape is divided into three watersheds, differing in extent of permafrost, amount of precipitation and in hydrological connectivity between sub-drainages. In order to assess the vulnerability of macroinvertebrate communities to ongoing climate change, we consider the taxonomic and functional structures of stream communities in two major watersheds: The Central Asian Internal Watershed (CAIW) and the Arctic Ocean Watershed (AOW), together covering 86.1% of Mongolia’s surface area. We assess the consequences of the hydrological connectivity between sub-drainages on the nestedness and distinctness of the stream communities. And accordingly, we discuss the expected biotic changes to occur in each watershed as a consequence of climate change.
機(jī)譯:背景技術(shù)蒙古的河流景觀被分為三個(gè)流域,其永久凍土程度,降水量和分流域之間的水文連通性不同。為了評(píng)估大型無(wú)脊椎動(dòng)物群落對(duì)持續(xù)的氣候變化的脆弱性,我們考慮了兩個(gè)主要流域的河流群落的分類學(xué)和功能結(jié)構(gòu):中亞內(nèi)部流域(CAIW)和北冰洋流域(AOW),合計(jì)占86.1%蒙古的表面積。我們?cè)u(píng)估了次排水之間的水文連通性對(duì)河流群落的嵌套性和獨(dú)特性的影響。因此,我們討論了由于氣候變化而在每個(gè)流域發(fā)生的預(yù)期生物變化。

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