benthic index 中文意思是什麼
benthic index
解釋
海底指數-
To understand the relationships between the benthos, sessile organisms and the constructions of artificial shallow water zone, the performance of the benthic index of biotic integrity ( b - ibi ) was used to analysis the ecological status
結果顯示: ( 1 )底棲生物及附著生物皆可反映海岸淺灘生態環境的生態現況,適合作為生物指標。 -
This thesis dealt with the tolerance value of benthic macro - invertebrate taxa, bio - assessment criteria in water quality using biotic index in china, and the establishment of benthic index of biotic integrity ( b - ibi ) in the health assessment of stream ecosystem. a comparison of the number of species, individuals and values of metrics between quantitative and semi - quantitative sampling methods were also studied
並對溪流定量采樣法(索伯網樣)和半定量采樣法(踢網樣加d形抄網樣)進行了比較研究一、溪流底棲動物定量和半定量采樣法比較研究溪流底棲動物定量采樣多用於溪流生態學研究,半定量采樣法主要用於溪流水質生物評價研究。 -
The benthic macroinvertebrate dominant concentration gradually increases from 1 st to 6th order streams. the change trend of ept taxa richness and total taxa richness resembles to the change trend of shannon - wiener diversity index, and there is highest macroinvertebrate diversity in 4th order stream among 1st to 6th order streams in changjiang river
一至六級支流底棲動物優勢集中性有逐漸升高的趨勢, ept分類單元數、總分類單元數與多樣性指數變化趨勢相似,總體上以4級支流的底棲動物多樣性最好。
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