查询词典 biodiversity

Several representative regions including humid subalpine area, arid valley and the adjacent recovery area and the plateau region of Minjiang riverhead were selected to study the soil nutrient and biodiversity change. Based on field vegetation investigation, soil sampling and analyses, Ecological effects of land use/cover in these regions were discussed. Also in corporation with the social and economic data, the recovery methods of different degraded region were put forward.

研究选取亚高山湿润区域，半干旱河谷区及其恢复区，岷江源头高原面区域作为重点，通过大量的野外植被调查，土壤采样分析，多元统计方法等研究典型区土地利用／覆被变化的生态效应；并根据社会经济资料和调查数据和土地覆被-土壤相互作用规律，提出了岷江上游生态恢复对策。

This paper presents the composition structure of plant biodiversity in Maqu,a county of Gannan Tibetan Autonomy Prefecture and located at the northeastern edge of the Qinghai-Tibetan Plateau,which is the riverhead of the Yellow River.With the analytic hierarchy process,the reasons of deterioration and the measurers of restoration are given.

本研究对青藏高原东北缘黄河源头地区甘南藏族自治州的玛曲县高寒草甸及湿地进行调查，揭示了该地区的植被生物多样性情况与组成结构，利用解析层次方法分析了高寒草甸及湿地的退化原因及恢复手段，同时还从集合种群竞争原理出发对该地区植被生物多样性的维持机理进行了讨论。

The fulfill of the project would enhance the research level of sawfly larvae in China. It is very important in the research of insect systematics and is also of high importance in the conservation of Chinese biodiversity, as well as in the theory and practice of control of forest and flower pests.

不仅有助于提高我国昆虫幼虫学研究水平，在昆虫系统学研究方面具有重要意义，而且在中国生物多样性保护、林木花卉害虫控制的理论和实践上也具有重要意义。

If deforestation of mangroves continues, it can lead to severe losses of biodiversity and livelihoods, in addition to salt intrusion in coastal areas and siltation of coral reefs, ports and shipping lanes. Tourism would also suffer.

如果对于红树林的砍伐持续下去，那么将导致更加严重的生态物种和生存条件的破坏，更严重的海岸线盐化及珊瑚礁对航道的侵袭同时旅游业也将受到影响。

This is the website of the Oxford Forestry Institute, which fully incorporated into the Department of Plant Sciences for some reason recently. It is devoted to forestry research in the areas of ecology, silviculture, sustainable management and biodiversity.

这是牛津林业科学研究所的网站，该所是于近期与牛津大学植物科学系合并的，专注于生态学、森林学、森林的可持续管理和生物多样性等方面的林业科学研究。

In this study, the researches are focused on slighting topics, such as the bird biodiversity and heterogeneity of bird community, improvement of statistic methods and blending landscape ecology with avian ecology on scale and heterogeneity.

l、突破现行鸟类群落研究思路，本文结合与鸟类分布密切相关的生境因子，将鸟类分为不同的类型后再进行生态学分析，以避免冗余种对多样性和聚类的影响，正确显示物种在生态系统中的不同地位和作用。

Solidago canadensis, a perennial plant native to North America, is now spreading rapidly in China, especially in eastern China. The plant has already induced serious threats to native ecosystems and biodiversity and has caused considerable economic loss to those areas.

原产于北美的加拿大一枝黄花目前正在我国境内尤其是东部地区迅速扩散，对当地的社会经济、自然生态系统和生物多样性构成了严重威胁。

How do extinction,speciation,and human activities affect biodiversity?

灭绝的物种和人类活动如何影响生物多样性？

4 How do extinction, speciation, and human activities affect biodiversity?

物种的灭绝、形成以及人类活动如何影响生物多样性？

In this dissertation, four aspects of ECM fungi were studied in a subtropical forest, a ECM fungi identification and biodiversity estimation, using morphological and molecular ways; b genetic structure of ECM fungi population, taking two case studies; c structure of ECM fungal community, based on sporocarp and plant investigation over-ground; and d growth response of host and non-host plant to ECM fungi inoculation.

由于外生菌根真菌的宿主植物常常是一些生态系统的优势种和建群种，并且这些真菌还参与了许多森林生态系统的有机和无机元素循环、物种的竞争和共存、生物多样性的维持、生态系统的演替等过程，因而对外生菌根真菌的研究有助于对这些生态系统维持和演替机制的深入理解。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。