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theoretical ecology    
相关语句
  理论生态学
    REVIEW ON《THEORETICAL ECOLOGY
    《理论生态学》一书简介
短句来源
    Evolutionary ecology is one of the important frontiers and hotspots in recent international research of theoretical ecology and evolutionary biology.
    当前,进化生态学是国际理论生态学与进化生物学相结合的重要前沿与热点之一。
短句来源
    With the global habitat destruction and fragmentation,metapopulation approaches have become one of the most important tools in mathematical ecology,theoretical ecology and conservation biology.
    随着全球范围的生境破坏和破碎化 ,集合种群的研究方法已成为数学生态学、理论生态学和保护生物学的重要手段 .
短句来源
    The population regulation is the key question of the theoretical ecology, and it is an nucleus of many questions to resolve community and ecology.
    种群调节是理论生态学中关键的问题,它是解决群落与生态系统学中许多问题的核心.
短句来源
    So it is very urgent to protect the biodiversity in fragmented habitat.As a main foreland of the present international mathematical ecology、theoretical ecology and biology conservation,the theory of metapopulation gave a new theory basis for protecting endangered species and population,and also predict the harm of fragmented habitat to species. And spatial ecology was also booming up.
    复合种群理论是当今国际数学生态学、理论生态学和保护生物学的一个主要研究前沿,并提供了保护濒危物种及种群的新的理论依据,也为生境破坏对物种造成的伤害做出预测和度量.
短句来源
更多       
  理论生态学
    REVIEW ON《THEORETICAL ECOLOGY
    《理论生态学》一书简介
短句来源
    Evolutionary ecology is one of the important frontiers and hotspots in recent international research of theoretical ecology and evolutionary biology.
    当前,进化生态学是国际理论生态学与进化生物学相结合的重要前沿与热点之一。
短句来源
    With the global habitat destruction and fragmentation,metapopulation approaches have become one of the most important tools in mathematical ecology,theoretical ecology and conservation biology.
    随着全球范围的生境破坏和破碎化 ,集合种群的研究方法已成为数学生态学、理论生态学和保护生物学的重要手段 .
短句来源
    The population regulation is the key question of the theoretical ecology, and it is an nucleus of many questions to resolve community and ecology.
    种群调节是理论生态学中关键的问题,它是解决群落与生态系统学中许多问题的核心.
短句来源
    So it is very urgent to protect the biodiversity in fragmented habitat.As a main foreland of the present international mathematical ecology、theoretical ecology and biology conservation,the theory of metapopulation gave a new theory basis for protecting endangered species and population,and also predict the harm of fragmented habitat to species. And spatial ecology was also booming up.
    复合种群理论是当今国际数学生态学、理论生态学和保护生物学的一个主要研究前沿,并提供了保护濒危物种及种群的新的理论依据,也为生境破坏对物种造成的伤害做出预测和度量.
短句来源
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  theoretical ecology
The background and some current problems of theoretical ecology
      
Critics of theoretical ecology argue that only predictively accurate models are successful and contribute to the applied work of conservation biologists.
      
Idealized, Inaccurate but Successful: A Pragmatic Approach to Evaluating Models in Theoretical Ecology
      
Afailure to solve - or even to address - theseobstacles suggests that theoretical ecology maybecome a formal science that studies themathematical consequences of assumptionswithout regard to the relation of theseassumptions to the world.
      
This paper analyses whythis should be so, and what ecotoxicology and theoretical ecology can improve on thesituation.
      
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On the basis of theoretical ecology, 17 ecotypes of Yersinia pestis in China were analysed by using the method of fuzzy cluster combined with biochemistry, zoogeographical divisionsand the theory of biocommunity distribution and some of these ceotypes found to have varia bility i. bloogical characters.

本文从理论生态学的角度,运用模糊聚类方法,结合生化、动物地理区划和生物种群分布理论,对中国鼠疫菌17种生态型进行了近缘分析,发现某些中国鼠疫菌型具有生物学上的易变性;同时揭示了某些鼠疫菌生态型的营养需求与宿主、地区无关的现象。本文从生态学角度称此现象为居间性,并通过这种居间性探索各生态型衍生变化的关系路经。

Metapopulation is the important frontiers and hotspots in recent international research of ecology.With the global habitat destruction and fragmentation,metapopulation approaches have become one of the most important tools in mathematical ecology,theoretical ecology and conservation biology.Due to the quick development,the concepts and theories of metapopulation expand and thrive.To make a comprehensive view of metapopulation researches,we fully analyze and summarize the present concepts,theories and models...

Metapopulation is the important frontiers and hotspots in recent international research of ecology.With the global habitat destruction and fragmentation,metapopulation approaches have become one of the most important tools in mathematical ecology,theoretical ecology and conservation biology.Due to the quick development,the concepts and theories of metapopulation expand and thrive.To make a comprehensive view of metapopulation researches,we fully analyze and summarize the present concepts,theories and models of metapopulation in this paper,which primarily includes the dynamical models and simulation approaches of single and competitive metapopulations.Based on the Levins patch occupant model,the center framework of metapopulation researches,primary principles and mechanisms are discussed.First,Levins rule:the fraction of empty patch will remain constant with habitat destruction as long as metapopulation survives.This rule implies that empty patches have determinant effects on persistence and conservation.Second,Allee effect of metapopulation is incurred by establishing difficulties and dispersal costs,which is important to the studies of reserve area and the minimum available metapopulation size.Third,we analyze the rescue effect that immigrants can reduce the extinction risk of the presented local population.Rescue effect can leads to the improvement of metapopulation sustainability and the decrease of fraction of empty patches.Fourth,the coexistence mechanism of two competing metapopulation is discussed,which suggests that competition colonization trade off may be prevalent in competing systems.Finally,extinction debt obtained from coexistence mechanism is given,which depicts the lost of species richness in the future for the current habitat destruction.After theoretical discussion,we present two popular simulated approaches in metapopulations:probability transition model and stochastic process model.In the final section,we compactly prospect the development and application of metapopulation approach.We hope that this paper could be a synthetically consultation to further metapopulation researches.

集合种群的研究是当今国际生态学的重要前沿与热点 .随着全球范围的生境破坏和破碎化 ,集合种群的研究方法已成为数学生态学、理论生态学和保护生物学的重要手段 .由于其迅速的发展 ,集合种群的概念与理论得到迅速扩展与丰富 .为了能总观集合种群进展的全局并开展进一步的工作 ,首先对集合种群的已有概念、理论和模型做了全面的分析和总结 ;其次对集合种群的发展和概念进行了探讨 ,以集合种群模型的中心框架 :L evins的斑块占据模型为基础 ,展开对其它原理、效应和机制的探讨 ;主要包括了 L evins原理 ,即当生境遭到破坏时 ,空斑块比例在集合种群灭绝前保持不变 ,然后还分析了 Allee效应 集合种群的 Allee效应主要是由于建群困难和扩散损失造成的 ;第三 ,分析了援救效应 :迁入个体可以降低斑块中现有局域种群的灭绝风险 ,援救效应会增强集合种群的生存力 ,使空斑块比例下降 .第四 ,探讨了两竞争集合种群的共存机制 ,即竞争 -侵占妥协 ,其共存机制为空间生境中物种共存提供了有力的理论解释 .最后 ,对集合种群群落中的灭绝债务进行了讨论 ,并给出了 2种最为主要的集合种群空间模拟方法

The population regulation is the key question of the theoretical ecology, and it is an nucleus of many questions to resolve community and ecology. For years, ecologists bring forward a lot of theories about population regulation. For instance, the theory of climate, the theory of prey and food function, the theory of social action, the theory of pathologic domino effect and the theory of heredity regulation. Because of the complicacy of population regulations system, all theories can not avoid its...

The population regulation is the key question of the theoretical ecology, and it is an nucleus of many questions to resolve community and ecology. For years, ecologists bring forward a lot of theories about population regulation. For instance, the theory of climate, the theory of prey and food function, the theory of social action, the theory of pathologic domino effect and the theory of heredity regulation. Because of the complicacy of population regulations system, all theories can not avoid its and limitation. According various theories and researchful examples, the paper makes out more research for the population regulation theory, and puts forward the theory of many-balance-spots.

种群调节是理论生态学中关键的问题,它是解决群落与生态系统学中许多问题的核心.多年来,生态学工作者提出了许多有关种群调节的理论,如气候学说、捕食和食物作用学说、社会性交互作用学说、病理效应学说、遗传调节学说等.由于种群调节机制的复杂性,使得目前所有的理论难免具有片面性和局限性.根据各种理论和具体研究实例,对生物种群调节理论做了进一步的探索,并提出多平衡点的观点.

 
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