查询词典 ecosystem

Evergreen broadleaf tree is the principal part of fore stry reserves and the most important component of forestry ecosystem.

常绿阔叶林是南方森林资源的主体，是森林生态系统中重要的组成部分，可改善人类生态环境。

As the famous production base of fishery, bulrush base and tourist attraction in Jilin province, Chagan Lake was inscribed into provincial nature reserve which is meant to protect the wetland ecosystem around the lake.

著名的渔业生产基地，芦苇基地和旅游景点吉林省查干湖是写入其中省级自然保护区是保护湿地生态系统的湖。

"Bio2 is a synthetic ecosystem, but so is California by now," said Burgess.

"生物圈二号是一种合成的生态系统，而现在的加利福尼亚也是一种合成的生态系统。"

"An ecosystem is a network of living creatures," says Burgess.

"一个生态系统就是一个活物的网络"，博格斯说。

Constructing Forest Ecosystem of Taihang Mountain plays an important role in protecting ecology safety and improving manufacturing and life environment of Campagna of North-China and the area of Beijing and Tianjin.

建设太行山森林生态体系，对华北平原及京津地区生态安全和改善老区生产生活环境十分重要。

Groundwater, which enters soil aerial zone through capillary rise, directly affects many surface processes including the physical process of material and energy transformation and the biological process of crop development and growth, as far as all the local agro-ecosystem.

地下水通过毛管上升进入土壤包气带，直接作用于地表过程的各个方面：物质能量转化分配的物理过程和作物生长发育的生物过程的各个方面，从而对当地农业生态产生影响。

There has been a lot of researches on carabid beetles as bioindicator in the world, focused on the sustainable management of ecosystem and environmental quality assessment. In China the studies on carabid beetles were mainly focused on taxonomy, faunology and the community diversity, few reports about carabid beetles as bioindicators.

目前国外关于步甲作为指示生物的研究很多，内容主要集中在探索生态系统的可持续管理和对整体环境质量的评估，而国内关于步甲的研究主要是区系分类和群落多样性研究，很少关于步甲对环境的指示作用报道。

In general, it seems that the field margin and woodland were much fitter for carabid living than cropland; and it was beneficial to protect and establish such habitat for the biodiversity in agro-ecosystem.3 Because of the long-term intensively agricultural land using and rapid urbanization, the vegetation in the Dongbeiwang village was extremely homogeneous.

不同的生境类型下步甲群落的个体数量差异很大，农田生境中步甲群落个体数量都较低，林地和农田边界地带较高；不同土地利用类型下，步甲群落的物种数量也有显著差异，农田边界处步甲群落的物种数量最多，其次为林地和与边界相邻的农田，而农田中出现的物种数量最少。

Land use change and tillage management is an important aspect for influencing carbon process in terrestrial ecosystem by human.

土地利用变化和耕作管理是人类影响陆地生态系统碳过程一个重要方面。

In the fourth chapter, we use the catastrophe theory to make research on ecosystem vulnerability in mining area.

第四章中我们运用突变理论对矿区生态系统的脆弱性进行了研究。

It's bell can reach over a meter in diameter.

它的身体最大可以达到直径1米多。

Now they are overdue and I shall have to pay a fine.

现在他们过期了，我不得不付罚款。