从保护河道内水生生物的角度出发,以鱼类为河道水生生物的指示物种。
From the viewpoint of protecting aquatic biotope, fish is deemed as target of river aquatic biology.
比优称印度的青蛙和南美的青蛙一样,被认为是生态系统健康的一个重要指示物种。
Biju said that frogs in India, like frogs in South America, are considered an important indicator species for the health of an ecosystem.
种群和个体作为指示物种主要是在监测环境污染方面。种团和群落监测仍有很大争议。
Individual and population are good indicators of environment pollution, and there are still some questions about the guild monitoring and community monitoring.
并从指示物种,结构-功能-组成,压力-响应等方面介绍了生态系统完整性评价指标;
The indicators of ecosystem integrity can be grouped into indicator species, structure-function-composition indicators, and stress-response indicators.
作为全球十大濒危物种之一的藏羚羊,是青藏高原自然生态系统的重要指示物种,具有极高的物种保护价值。
Tibetan Antelope, one of ten global endangered species, is the important indication species to Qinghai-Tibet plateau natural ecosystem, possesses highly species protected value.
但是他强调说,物种是生态系统的健康指示器,对海地人民也是至关紧要。
But the species serve as health indicators for ecosystems, he stressed, which are also critically important for Haiti's people.
认为物种多度模型是良好的生境变化生物指示困子。
We found the species-abundance model is a good indicator as monitor of habitat change.
无数的对鸟类于研究发现了嗅觉度,在新的物种里,它们的范围从低于10%到高于30%,这是对嗅觉可靠的指示器。
Numerous studies in birds have shown the olfactory ratio, which ranges from less than 10% to more than 30% in a few species, to be a reliable indicator of the sense of smell.
然后利用排序得分对物种进行二元指示种(TWINSPAN)分类。
The scores of ordination were then used for a two way indicator species analysis (TWINSPAN) to the species.
鹭科鸟类是湿地生态系统中重要的生物种类之一,也是环境质量评价的一类指示动物。
Ardeidae bird is one of important species belonging to wet land ecosystem, and regarded as indicator for environmental assessment.
可丰富该类型的灌木层的物种,增添指示牌以提高专类园的科普教育功能和游步径的知识趣味性。
Enriching the specie of shrub and adding signs are helpful to enhance science educational function of special class garden and fun of tour path.
可丰富该类型的灌木层的物种,增添指示牌以提高专类园的科普教育功能和游步径的知识趣味性。
Enriching the specie of shrub and adding signs are helpful to enhance science educational function of special class garden and fun of tour path.
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