南水北調(diào)東線(xiàn)工程徐州段河流生境質(zhì)量評(píng)價(jià)
[Abstract]:The evaluation of river habitat quality is one of the key points in river ecosystem health assessment. In this paper, the river habitat quality under natural and man-made action is evaluated. The rivers in Fengxian County, Xuzhou Section and Pizhou City, Xuzhou Section of the East Route Project of South-to-North Water transfer Project, are taken as the research objects. Combined with the environmental characteristics, the river habitat is selected to reflect the river channel. Ten indexes of riparian habitat and shoreline habitat are given, and the evaluation method and 5 grade standard characteristic value of each index are given, and the evaluation system of river habitat quality is established, and the grade standard of evaluation index is determined. The habitat quality of 16 rivers in the study area was evaluated. The results showed that: (1) the comprehensive score of river habitat quality index (IRHQ) was between 33 and 91. According to the criteria of evaluation grade, 50% of the rivers reach "excellent" habitat quality, the others are between "good" and "bad", the overall quality of river habitat is good. (2) River habitat quality index and NH_4~ -NCOD. TN was negatively correlated with DO, and many habitat indexes were correlated with water quality, indicating the interaction between habitat quality and water quality.
【作者單位】: 中國(guó)科學(xué)院南京地理與湖泊研究所;中國(guó)科學(xué)院大學(xué);江西師范大學(xué)鄱陽(yáng)湖濕地與流域研究教育部重點(diǎn)實(shí)驗(yàn)室;
【基金】:國(guó)家水污染治理重大專(zhuān)項(xiàng)(2012ZX07501002-008;2012ZX07506-001;2012ZX07103003-04-01;2012ZX07501-001-03) 國(guó)家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃(2012CB417006)~~
【分類(lèi)號(hào)】:X826
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