生物区系

土壤微生物是土壤生物区系的关键性功能要素，一些微生物学参数可以综合判断土壤健康状况。

Soil microbe is a key functional factor in soil biota , some microbiological parameters can be cited as general biological indicators for assessing soil health .

土壤侵蚀造成水分、养分、土壤有机质、生物区系、土壤厚度等的流失或减少因而使土地生产力降低。

Soil erosion reduces the productivity of the land by loss of water , soil organic matter , nutrients , biota , and depth of soil .

台湾海峡南部海域游泳生物区系组成和渔业资源现状

Fauna composition of necton and fishery resources in the southern waters of Taiwan Strait

喀喇昆仑山&昆仑山地区生物区系的特征、形成与演化；

Characteristics , origin and evolution of fauna and flora in the Korra Kunlun-Kunlun Mountain region ;

列出了每个地区的珍稀和特有物种，分析这些地区生物区系的复杂性和物种的多样性。

The rare species and the endemic species are listed respectively and the characters of the biodiversity are discussed .

瘤胃微生物生物区系，对改善各种营养物质的代谢、维持瘤胃内环境的稳定有重要作用。

Microorganism system in rumen is very important , which can improve the metabolism of nutriment , keep the stability of the circumstance of inner rumen .

从物质释放、植物生长势、生物区系和水质改善效应四个方面考虑对不同基质材料进行了比较实验研究。

In this article , intercomparsion of several different vegetate materials was discussed from contaminations release , growth potential , biotic province and improvement effects of water environment .

针对特定生物区系，从生物因素（生产力、种间关系、林隙动态）和非生物因素（演替、干扰及空间异质性、人类活动）方面论述其与物种多样性之间的关系。

And the second was concentrated on a special plant community , and mainly discussed the relationships of biodiversity with biotic factors ( primary productivity , relationship between species , and gap dynamics ) and abiotic factors ( succession , disturbance and spatial heterogeneity , and human activity ) .

古新世开始浅海相动物群在该地显示同一生物地理区系特征，说明两大陆间深水盆地的阻隔已消失，南北生物地理区同归于一残留海盆。

At the beginning of the Palaeogene the shallow-sea fauna showed the features of the same biogeographic realm in the area , suggesting that the separation of the two continents by the deep-sea basin had disappeared and the northern and southern biogeographic provinces be-longed to a single remnant sea basin .

历史生物地理学重建生物区系历史。

Historical biogeography attempts to reconstruct the biota history of the earth .

南岭山脉中段两栖爬行动物生物多样性及区系特征

Biodiversity and faunal analysis of amphibians and reptiles in the central part of Nanling Mountains

根据采样数据，对浙江海岛岩礁区大型底栖生物的种类组成、生物多样性、区系组成进行叙述和讨论，对潮下带大型底栖动物的丰度及优势种进行了分析。

Based on the sampling data , makes full description and discussion about the macrobenthos in the rocky area of Zhejiang islands on their biological composition , species diversity , and floral composition and also makes analysis involving the subtidal macrobenthos on their abundance and dominant species .