The seasonal ecological features of phytoplankton community including its species composition, population size, dominant species, saprobic indicator, diversity index and diatom biotic index were preliminarily studied at 22 sampling stations in the Chaohu Lake, Anhui Province.

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.

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；

Sludge biotic index ( SBI), based on the microfauna associated with activated sludge mixed liquor, has been devised to monitor activated sludge plant performance.

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。

Water quality of 9 sites were evaluated by the biotic index at the Family-level of the insects and general chemical menitoring method.

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；

The Application of the Biotic Index of Protozoa in Inland Rivers Water Quality Assessment in Fuzhou

原生动物生物指数在福州市内河水质评价中的运用

Evaluating the performance of activated sludge by sludge biotic index

用污泥生物指数评价活性污泥的运转效能

The stage from seed production to seedling colonization is the most sensitive stage in plant life history. After seed dispersal, numerous biotic and abiotic factors influence seed fates and seedling mortality.

从种子生产到幼苗定居的更新是植物生活史中最为敏感的阶段之一，多种因素的影响种子和幼苗的命运。

Biotic activities had great influence on mineral efflorescence, filtering, and deposition.

生物活动对矿石的风化、淋滤和沉积都有很大的影响。

Recently, a large number of studies have shown that SA are not only involved in the regulation of biotic resistance, but also plays an important role in inducing abiotic stress resistance.

近年来，大量研究显示，信号分子SA不仅参与调控植物的抗病反应，同时在诱导植物对于非生物胁迫的抗性中也发挥着重要作用。

Soil biota contribute to the biotic resistance against invasive plants which is rarely studied before.

土壤微生物作为抑制外来植物入侵的生物抵抗力的一部分过去研究较少。

It describes the overfishing of inshore biotic resources, especially the role of shrimp culture in it.

论述了近岸生物资源的超强开采，特别是养虾业为此做出的贡献；

Overfishing of Inshore Biotic Resources and the Effects on Shrimp Epidemic

近岸生物资源的超强开采及其对虾病大流行的影响

Developing biotic resources is the key strategy of industrialization of biotic resources and sustainable development in Panxi area.

开发生物资源是攀西生物资源产业化和经济可持续发展的战略决策。

Notes on the management of wild biotic resources and their ecology in Chinese ancient time before Qin-Dynasty

先秦时代对野生生物资源的管理及其生态学的认识

The fisheries circumstances and aquatic biotic resources status were summarized systematically.

全面总结、系统阐述了江苏省大、中型水库的渔业环境及水生生物资源状况；

Application of Supercritical CO_2 Extraction technique in Exploring Biotic Resources and Treating of Organic Waste Water

超临界萃取技术在生物资源开发和有机废水处理中的应用研究

The Exploitation of Biotic Resources in Lakes and Environmental Problems

湖泊生物资源利用和环境问题

Herein the authors suggest a new way of pest management& a strategy of using mutual plants to regulate the interactions of biotic factors around the environment of the target plant, i.e. mutualistic plant protection ( MPP).

为此，作者提出一种有害生物治理的新途径，就是利用相生植物调节目标保护植物周围环境中生物因素之间的相互关系的一种策略，即：相生植保。

Activation of phospholipase modulates the output of signaling lipids to respond to the specific changed biotic or abiotic environment.

这种酶通过活化状态的改变调节信号脂质分子的含量，以应对具体的生物或非生物环境的变化。

Its rational exploitation and utilization are given more and more attention of scholars. And they have achieved certain results. A lot of biotic environment can be seen as food-chain systems in reality.

种群资源作为一种再生性资源，它的合理开发与利用得到越来越多的学者关注，并取得了一定的成果，而且在现实世界中，有许多生物环境可近似看成是食物链模型。

The damage and defect will reduce the bearing capacity of the petroleum pipeline greatly, shorten the service life of the pipeline and threaten the security of the petroleum pipeline and biotic environment.

由于损伤和缺陷的存在将大大降低石油管线的承载能力，缩短管线的使用寿命，同时也威胁着石油管线及生物环境的安全。