查询词典 biodiversity

This article in summarizes in our country nature protection area construction achievement foundation, outlined the nature protection area to each kind of natural ecosystem, the wild biology, the domesticated species, the wild blood relationship to plant and the idioplasm resources conservation present situation, including has constructed the nature protection area for protection biodiversity various components quantity, the area, the distribution and the management; Has appraised the nature protection area to the biodiversity various components protection effect; Has analyzed the existence question and proposed that strengthens measure which the biodiversity protects.

本文在总结我国自然保护区建设成就的基础上，概述了自然保护区对各类自然生态系统、野生生物、驯化物种、野生亲缘种及种质资源保护的现状，包括为保护生物多样性各组分已建自然保护区的数量、面积、分布及管理；评价了自然保护区对生物多样性各组分保护的效果；分析了存在问题并提出加强生物多样性就地保护的措施。中国论文联盟http：//www.lwlm.com

This article in summarizes in our country nature protection area construction achievement foundation, outlined the nature protection area to each kind of natural ecosystem, the wild biology, the domesticated species, the wild blood relationship to plant and the idioplasm resources conservation present situation, including has constructed the nature protection area for protection biodiversity various components quantity, the area, the distribution and the management; Has appraised the nature protection area to the biodiversity various components protection effect; Has analyzed the existence question and proposed that strengthens measure whichthe biodiversity protects.

自然保护区建设是保护生物多样性的最有效途径。至1993年底，我国共建立各类型自然保护区763个，总面积6618万hm2，约占国土面积的6.8％。本文在总结我国自然保护区建设成就的基础上，概述了自然保护区对各类自然生态系统、野生生物、驯化物种、野生亲缘种及种质资源保护的现状，包括为保护生物多样性各组分已建自然保护区的数量、面积、分布及管理；评价了自然保护区对生物多样性各组分保护的效果；分析了存在问题并提出加强生物多样性就地保护的措施。

This article in summarizes in our country nature protection area construction achievement foundation, outlined the nature protection area to each kind of natural ecosystem, the wild biology, the domesticated species, the wild blood relationship to plant and the idioplasm resources conservation present situation, including has constructed the nature protection area for protection biodiversity various components quantity, the area, the distribution and the management; Has appraised the nature protection area to the biodiversity various components protection effect; Has analyzed the existence question and proposed that strengthens measure which the biodiversity protects.

择要：自然掩护区培植是掩护生物多样性的最有效路子。至1993岁尾，我国共成立种种型自然掩护区763个，总面积6618万hm2，约占疆域面积的6.8％。本文在总结我国自然掩护区培植成绩的基本上，概述了自然掩护区对种种自然生态体系、野生生物、驯化物种、野生亲缘种及种质资本掩护的现状，包孕为掩护生物多样性各组分已建自然掩护区的数量、面积、散布及打点；评价了自然掩护区对生物多样性各组分掩护的下场；剖析了存在题目并提出加强生物多样性就地掩护的法子。

Department of Ecology and Biodiversity is primarily dedicated to education and research in ecology and biodiversity including conservation biology, coral ecology, ecotoxicology, environmental microbiology, fungal biodiversity, mangrove ecology, microbiology, molecular ecology and evolution, molecular microbial ecology, molecular phylogenetics, plant pathology, plant systematics and evolution, plant-animal interactions, pollution biology, terrestrial ecology.

生态学和生物多样性学系创建于1994年，主要致力于生态学和生物多样性学的教学与研究，其研究领域包括保护生物学，珊瑚生态学，生态毒理学，环境微生物学，真菌生物多样性，红树林生态学，微生物学，分子生态学和进化，分子微生物生态学，分子系统发生学，植物病理学，植物分类学和进化，植物－动物相互关系，污染生物学，陆生生态学等。

Based on the demonstration activities in Deng Kou county of Inner Mongolia, the comparison of impacts of conventional agriculture and organic farm on biodiversity is analyzed. The results shows that the development of organic farm can improve the biodiversity protection,such as, the increasing of beneficial insects and birds.

本文通过在试验区对常规农业和有机农业分别对生物多样性的影响进行了分析比较，结果表明发展有机农业，能够促进生物多样性保护，如有益昆虫的数量增加，其中七星瓢虫最为明显，蚜虫的虫口密度降低，益鸟等生物的数量有所增加。

The importance of biodiversity to mankind is obvious. So the problem of biodiversity diminishment causes people′s common concern increasingly.

生物多样性对于人类的重要性是不言而喻的，于是生物多样性丧失问题日益引起人们的关注。

Biodiversity is one of the front areas of current biological research. The mechanisms of the formation, spatial distribution pattern, conservation and utilization of biodiversity have been an important area of biological and environmental research. In this study, through analyses of data about plant diversity, animal diversity, geographic factors, climatic factors, and energy factors by use of GIS software, statistic software and ecology software, the mainland of China was divided into 241 small districts of 2° by 2°. The environmental factors in each district were analyzed and isopleth maps of environmental elements were depicted.

生物多样性是当今生物学研究的热点问题之一，生物多样性的形成机制和分布格局以及保护利用问题一直是生物学和环境科学所研究的重要内容，本文由此出发，以中国陆地为研究区域，通过植物多样性数据、动物多样性数据、地理因子、气候因子、能量因子等资料，利用MAPGIS、MAPINFO等GIS软件，SPSS、DPS等统计学软件以及CANOCO等生态学软件，将中国陆地划分为241个小区，分析了各区内的环境特点，统计了各区内生物多样性的数量，并绘出环境因子等值线图，中国陆地种子植物科、属、种，裸子植物种、蕨类植物种、兽类、鸟类、爬行类、两栖类种数的等值线分布图，对中国陆地植物、动物多样性现状、分布格局及与环境因子的关系进行了研究。

Protecting forest biodiversity is one standard of sustainable forest management, and it is an advanced subject to develop forest biodiversity index system based on forest management unit level and its assessment method in the study of SFM at home and abroad.

保护森林生物多样性是森林可持续经营的主要标准，研建森林经营单位级的森林生物多样性指标体系及评价方法是国内外森林可持续经营研究及实践的前沿课题。

The biggest obstacle to biodiversity marketization is that it is unquantifiable; it is not possible to assign biodiversity a value through market measures.

生物多样性市场化最大的障碍就是无法量化，无法用市场化的手段给生物多样性定价。

The result showed that:(1) There were a higher density of Ostreidae and Balanidae and a lower biodiversity in the cay sampling section of Daxie Island.(2) No significant difference was found in the macrozoobenthos community among the tide plat sampling section in Daxie Island.(3) There was a lower macrozoobenthos species number, biodiversity, and a higher density of Sternaspis scutata and Capitella capitata than those in the sea area beside Daxie Island. Moreover, a significant difference was found in the macrozoobenthos community between the sea area of Daxie Island and the adjacent islands.

结果发现：(1)大榭岛岩相潮间带断面牡蛎科和藤壶科等科的物种栖息密度较高，生物多样性较低；(2)泥沙相潮间带底栖动物状况与其他海岛差别不显著；(3)大榭岛近岸海域底栖动物种数少于其他海岛近岸海域，且前者不倒翁虫和小头虫等多毛类物种栖息密度较高，生物多样性较低，群落结构与其他区域相差较大；(4)环境质量的生物评价结果显示，大榭岛近岸海域扰动程度高于其他海岛近岸海域。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。