关键种

鳀鱼（Engraulisjaponicus）是黄海生态系统的关键种。

Anchovy ( Engraulis japonicus ) is a key species in the Yellow Sea ecosystem .

关键种可以是为了最大程度地保护生物多样性而进行优先保护的目标。

Key species can be the precedent target of the biodiversity conservation .

在对关键种的研究基础上，首次提出了物种重要性（SI）概念。

Based on the research of the keystone species , the concept of species importance ( SI ) was first advanced in this paper .

榕属植物（Ficus）统称榕树，是热带森林中的一类关键种植物。

Fig trees are the keystone species in tropical forest .

1969年，由Paine提出的关键种概念，迅速成为国际生态学的研究热点。

A Winter Day on Paine Mountain The concept of keystone species , put forward by Robert T Paine in 1969 , has rapidly become a popular field of international researches on ecology .

生态型关键种企业形成研究&基于生态位测度

Research on Eco-Keystone Enterprise 's Formation Conditions Based on Niche Measurement

生态系统关键种理论的研究进展

Developments of the Studies on the Theory of Keystone Species in Ecosystems

基于生态位测度的关键种企业作用前提研究

Premise of Keystone Enterprise 's Function Based on Measurement of Ecology Niche

生态系统中关键种类型及其管理对策

The types of ecosystems'keystone species and their managing strategies

关键种理论对构筑生态工业园的指导作用研究

On the Function of Keystone Species Theory to the Construction of Eco-industrial Park

应用生态位和关键种理论构建生态产业链网

Use the Theory of Niche and Key Species to Build Ecological Industrial Chain Network

生态系统关键种理论：新思想、新机制、新途径

Theory of keystone species in ecosystems : new idea , new mechanism , new approach

中国东北样带关键种羊草水分利用效率与气孔密度

The changes of water-use efficiency and stoma density of Leymus chinensis along Northeast China Transect

生态系统中关键种的确定在生物多样性保护和利用上的作用

The role of determining key spices of the ecosystem in the conservation and utilization of the biodiversity

竞争对水生浮叶植物群落关键种、冗余种和资源配置的影响

Effects of Competition on the Keystone Species , Redundant Species and Resource Allocation of Floating-leaved Aquatic Plant Communities

选择适宜的先锋种和关键种是恢复与发展物种多样性的基础。

The results show that the basis of restoration of biodiversity is choosing the suitable pioneer and key species .

本文系统描述了其中对生物地层划分有重要意义的27属48个牙形石关键种，建立了4个新种。

Forty eight characteristic species belonging to 27 genera are described herein , and 4 new conodont species are established .

在本文中，对关键种的概念进行了讨论，并介绍了关键种的典型特征及其在群落和生态系统中的判别。

This paper discussed the keystone species concept and introduced the typical characteristics of keystone species and their identification in communities or ecosystems .

用林木受害程度与各种群密度或组成比的相关系数作为关键种指数。

The key species index is the correlation coefficient that the degree of harm sapling and the rodent species density or constitute related analysis .

指出群落关键种的实质是对林木造成严重危害的种群，其密度和组成比与林木的被害程度呈正相关。

Point out the community key species is species that result in serious impaired forest , its density with the constitute ratio and the degree of harm sapling is related .

通过对关键种的保护，更有效地保护其所在生态系统的功能过程。

Thus when considering biodiversity conservation , the term keystone species has been introduced by conservationists and ecologists to protect ecosystem functioning more efficiently with the protection of keystone species .

在查阅国内外大量文献的基础上，提出了5个可能影响我国生态工业系统稳定性的结构型因素假设：关键种企业、成员距离、成员相互依赖程度、成员多样性、领导因素。

After reviewing relative returns , the authors present 5 hypotheses about structural influential factors in the stability of industrial ecosystem ( IES ) in China : keystone species enterprise , member distance , member reliability , industry diversity and conductor factor .

同时，以幼林生态系统为研究对象，提出了与林木危害程度相关的群落关键种的概念以及关键种指数的计算公式和判别标准。

At the same time , with the large sapling forest ecosystem is for the research object , bring up the concept of key species that with related the degree of harm sapling , and the calculation formula of key species index and distinguish the standard .

并探讨了生态产业链的设计技术方法：即优选出以关键种企业为核心的主导产业链，进行工业代谢分析，引入补链项目，拓展主导产业链，构建其生态产业链；

Secondly the technique for designment of eco-industrial chains is discussed : dominant industrial chains that centered on " keystone species " corporation are selected , which industrial metabolism is analyzed , then introducing chains-matching project and extending dominant industrial chains , finally designing eco-industrial chains ;

本文在关键种概念的基础上，提出了关键产业的概念，总结了关键产业在生态工业园中发挥的作用和特点，并分析了关键产业与辅助产业之间的关系。

The conception of keystone industry was put forward based on the conception of keystone species in this paper . The functions and characteristics of keystone industries in eco-industrial parks ( EIPs ) were summarized , and the relationship between keystone industries and assistant industries was analyzed .

本文主要介绍了有关物种多样性对生态系统功能的影响机制及有关假说，包括冗余种假说、铆钉假说、不确定假说、无效假说、补偿/关键种假说、非线性假说、单调/驼峰模型假说等。

This paper introduces the effects of species diversity on ecosystem functioning : the mechanisms and hypotheses , including the redundant species hypothesis , rivet hypothesis , idiosyncratic hypothesis , null hypothesis , compensatory / keystone species hypothesis , non-linear hypothesis , and monotonic / unimodal hypothesis .

种群生存力分析和最小可存活种群的理论及模型用于物种绝灭问题的研究，同时关键种的生存力用于确定生态系统的生存力，因而该理论和模型成为自然保护区设计的理论基础。

The theory and models of population viability analysis and minimum viable population are used to study the problem of species extinction and the viability of ecosystems can be determined by using the viability of keystone species , thus they are theoretical foundation of the nature reserve design .

多枝柽柳是分布最为广泛的柽柳属植物之一，也是维持干旱区荒漠生态系统的关键植物种。

Tamarix ramosissima , one of the most widely distributed plants of its genus , belonged to the key species for maintaining desert ecosystems in arid regions of China .

景观建设的关键是一种环境秩序的建立。

Landscape construction hinges on the establishment of an environmental order .

但他们却忽视了最关键的一种会议：日常碰头会。

But they skip the most critical meeting of all : the daily huddle .