生物指数
- 名Biological index;biotic index
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污泥生物指数(SBI)由对活性污泥混合液中微型动物群落结构的分析得出,用于评价活性污泥的运转效能。
Sludge biotic index ( SBI ), based on the microfauna associated with activated sludge mixed liquor , has been devised to monitor activated sludge plant performance .
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根据三年来所收集到的资料,计算了Trent生物指数,Chandler记分制以及Shannon多样性指数,并对图们江的污染状况作出生物学评价,上游地段属于清洁水到中污染;
The data which have been collected for the last three years are used for biological evaluation of the river itself , and to calculate Trent biotic index , Chandler score system and Shannon diversity index .
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应用Beck、Gleason、Shannon、Simpson等生物指数对水质状况进行评价。
Ne water quality of the river is assessed by Beck , Gleason , Shannon , Simpson and other biotic indices .
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海洋生态系统健康评价的底栖生物指数法研究进展
Progress in Researches on Benthic Indices of Assessing Marine Ecosystem Health
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多项生物指数模糊综合评价的初步探讨
A research on fuzzy composite appraisal of various biological indexes
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用污泥生物指数评价活性污泥的运转效能
Evaluating the performance of activated sludge by sludge biotic index
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并通过多样性指数、生物指数等方法综合评价了水环境质量。
The water environmental quality was evaluated by diversity index and biological index .
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用综合生物指数法评价水质
To Evaluate Water Quality with Comprehensive Biological Index
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原生动物生物指数的进一步验证及其适用性分析
Further Applicability Verification of Protozoa Bio - index
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用于评价水污染的生物指数
Biological Index Applied Evaluating Water Pollution
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原生动物生物指数在福州市内河水质评价中的运用
The Application of the Biotic Index of Protozoa in Inland Rivers Water Quality Assessment in Fuzhou
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针对单项生物指数评价水质的片面性与不确定性,提出了用综合生物指数法评价水质。
Because of the one sidedness and uncertainty of single biological index to evaluate water quality , comprehensive biological index was suggested .
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利用科级生物指数及常规化学监测方法对9个基点的水质进行了评估;
Water quality of 9 sites were evaluated by the biotic index at the Family-level of the insects and general chemical menitoring method .
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并且采用排序分析的方法分析影响藻类生物指数空间差异的因素,识别影响物种空间分布的显著影响因子。
Sequence analysis method was used to analyze the influential algae biological index factors of spatial differences , Identified the significant influence species distribution factor .
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以底栖动物作为底层水环境和底泥环境长期影响的指标,利用生物指数和种群结构的变化对底质进行评价和分析。
The ground base was evaluated and analysed by using biological index and variation of population of benthon which are effected by bottom water and mud environment .
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稻田土壤蚯蚓丰富度与土壤质量指数(SQI)、土壤退化指数(SDI)和生物肥力指数(BIF)都成显著的正相关,蚯蚓的丰富度可指示本研究试区稻田土壤质量。
There were also positive correlations between earthworm abundance of paddy soil and soil quality index ( SQI ), soil degeneration index ( SDI ), biological index of fertility ( BIF ), indicating earthworm abundance can be used as indicator of paddy soil quality in this study area .
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以生物丰度指数、植被覆盖指数、水网密度指数、土地退化指数、污染负荷指数为评价因子,运用生态环境质量指数(EQI)的评价体系,对湖南省生态环境进行了分析与评价。
The assessment system of ecological quality indices ( EQI ) consisting of organism abundance index , vegetation cover index , rivers density index , land deterioration index and pollution load index was used to investigate ecological environmental quality of Hunan province .
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年均生物健康指数为17.14,对照标准判定为不健康。
Biology in Jiaozhou Bay is unhealthy with annual average health index of 17.14 .
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中国成人腰围、体质指数与高血压关系人体测量和生物化学指数
Analysis on association of waist circumstance and body mass index with risk of hypertension in Chinese adults
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2-乙氧基乙醇生物学监测及其生物暴露指数的研究
Investigation on Biological Monitoring and Biological Exposure Index of workers exposed to 2-ethoxyethanol at workplaces for production of PS plate
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如果渔业资源调查数据和历史产量数据存在,只要已知调查数据的资源生物量指数和绝对生物量之间关系,就可以估计这个渔业的剩余产量历史。
If the survey data and historical catch data of fishery are available , and the relationship between surveyed biomass index and absolute biomass is known the history of surplus production from the fishery can be estimated .
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本文研究了利用资源生物量指数和渔获量数据来确定资源生物量趋势、开发率和剩余产量,从而重建被调查渔业的随时间变化的渔业史。
This study showed how to calculate the trends in biomass ; exploitation rate and surplus production by using the survey index and catch data to rebuild the histories of surveyed fishery , which a changing with respect to time .
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以10℃为界的生物温暖指数不仅对我国森林植被的地理分布和温度气候带的划分具有较好的指示作用,而且对西南部高山、亚高山地区的植被与气候关系指示性较强;
The biological warmth index ( 10 ℃) not only indicates to the geographical distribution of forestry vegetation and classification of thermal climatic belts in eastern China , but also indicates the relations between vegetation and climate in alpine and subalpine regions of southwest China .
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根据生态类群的组成及其特点,采用三个生物污染指数公式,对该河各段进行环境质量评价,为今后治理该河提供了科学依据。
According to the formation and the features of the ecological groups , an evaluation of the environmental quality in various sections of the river is made by the use of 3 biological pollution index formulae , thus providing scientific basis for harnessing the river in the future .
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Excel在计算群落生物多样性指数中的应用
On Application of Excel in Calculating the Biodiversity Index of Communities
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尝试用三个生物学指标即:Q值、生物多样性指数和优势种指示生物评价内河污染状况。
Water quality was evaluated with three biological standards ( Q B / T , Shannon & Weiner diversity index and indicator organisms of dominant species ) .
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这和分别应用营养状态指数(TSI)和生物多样性指数(DI)进行评价的结果相似,表明运用Exergy、结构exergy和生态缓冲容量指标对湖泊生态系统健康状况进行评价的方法是可行的。
Therefore it is feasible to use exergy , structural exergy and ecological buffer capacity to evaluate the health state of lake ecosystem .
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宜春2004年生态盈余1.32ha/cap,生物多样性指数0.88,发展能力指数1.26,万元GDP生态足迹2.61ha;
In 2004 , for Yichun , ecological surplus is 13.2 ha / cap , ecological diversity index is 0.88 and development capacity index is 1.26 , ecological footprint of 10 ~ 4 yuan GDP is 2.61 ha ;
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调查结果表明:人工鱼礁投放后鱼礁区生物多样性指数和丰度均有所增加;鱼礁区CPUE比投礁前增加1倍左右,其中鱼类的CPUE增加最多。
The CPUE in reef area was double than that before casting the reefs , in which CPUE of fish increased obviously .
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同时,还发现群落的Shannon-Wiener指数和均匀度指数等生物多样性指数的季节性变化明显,春季和冬季的多样性较低,夏季和秋季较高。
Meanwhile , there were apparently seasonal changes in total of species , index of Shannon-Wiener and index of evenness . The biodiversity and index of evenness were lower in spring and winter than in summer and autumn .