dc.contributor.author 蔡立哲 dc.date.accessioned 2017-11-14T01:23:29Z dc.date.available 2017-11-14T01:23:29Z dc.date.issued 2003-09-26 dc.identifier.citation 环境科学学报,2003,(05):67-71 dc.identifier.issn 0253-2468 dc.identifier.other HJXX200305011 dc.identifier.uri https://dspace.xmu.edu.cn/handle/2288/140993 dc.description.abstract 根据 2 0 0 0年至 2 0 0 2年在深圳湾、厦门西海域、罗源湾、兴化湾潮间带和潮下带获得的 85个取样站次大型底栖动物数据 ,参考丰度生物量比较法 (ABC) ,建立了评价海洋环境质量的大型底栖动物污染指数 (MPI) .MPI的计算式是 :MPI=10 ( 2 +k)[∑ (Ai-Bi) ] S1+k,式中Ai 和Bi 分别是密度和生物量优势度大小顺序的第i个累积百分优势度的数值 ,S为采集到的物种数 ,K为常数 ,K =|∑ (Ai-Bi) | ∑ (Ai-Bi) ,当∑ (Ai-Bi)为正数时 ,K =1;∑ (Ai-Bi)为负数时 ,K =- 1.MPI越小 ,沉积环境越清洁 .反之 ,污染越严重 .MPI的优点是实现ABC法的数字化 ,而且反应灵敏 ,评价结果比种类多样性指数 (H)更符合实际 dc.description.abstract Macrobenthos pollution index (MPI) was established according to the macrofaunal data collected on intertidal zone and subtidal zone in Shenzhen Bay, Western Xiamen Harbour, Luoyuan Bay, and Xinghua Bay, and referring to Abundance Biomass Comparison(ABC) method. The MPI formula is, MPI = 10 (2+k)[∑ (A i-B i)]/S (1+k).Where A i and B i are respectively the cumulative % dominance for density and biomass in the ith species rank, S=the number of species in the sample, K is a constant number. K=｜∑(A i-B i)｜/∑(A i-B i), When ∑(A i-B i) is positive number, K is 1. When ∑(A i-B i) is negative number, K is -1. The bigger MPI is, the more serious pollution is. The merit of MPI is digital on ABC method and sensitive to pollution situation. Assessing results yet accord with fact than Shannon-Weaver's species diversity index (H′). dc.description.sponsorship 教育部骨干教师资助项目 dc.language.iso zh_CN dc.subject 大型底栖动物 dc.subject 污染 dc.subject 生物指数 dc.subject 环境质量 dc.subject macrozoobenthos, pollution, biotic index, environmental quality dc.title 大型底栖动物污染指数(MPI) dc.title.alternative Macrozoobenthos pollution index (MPI) dc.type Article
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