نتایج جستجو برای: ecological niche factor analysis

تعداد نتایج: 3564586  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2007
Daniel I Bolnick Richard Svanbäck Márcio S Araújo Lennart Persson

There is extensive evidence that some species of ecological generalists, which use a wide diversity of resources, are in fact heterogeneous collections of relatively specialized individuals. This within-population variation, or "individual specialization," is a key requirement for frequency-dependent interactions that may drive a variety of types of evolutionary diversification and may influenc...

Journal: :Bulletin of the Ecological Society of America 2015

Journal: :Annual Review of Ecology, Evolution, and Systematics 2017

2015
Gary A Wellborn R Brian Langerhans

The tenet that ecological opportunity drives adaptive diversification has been central to theories of speciation since Darwin, yet no widely accepted definition or mechanistic framework for the concept currently exists. We propose a definition for ecological opportunity that provides an explicit mechanism for its action. In our formulation, ecological opportunity refers to environmental conditi...

Journal: :Biology and Philosophy 2022

Abstract We here develop a concept of an individualized niche in analogy to Hutchison’s population-level the ecological niche. consider (ecological) as range environmental conditions under which particular individual has expected lifetime reproductive success ≥ 1. Our primarily function, it refers match phenotype its contemporary environment (niche fit) while we discuss evolutionary fitness eva...

Journal: :Current Biology 2012
Mark E. Laidre

Organisms can receive not only a genetic inheritance from their ancestors but also an ecological inheritance, involving modifications their ancestors made to the environment through niche construction. Ecological inheritances may persist as a legacy, potentially generating selection pressures that favor sociality. Yet, most proposed cases of sociality being impacted by an ecological inheritance...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2016
Erle C Ellis Peter J Richerson Alex Mesoudi Jens-Christian Svenning John Odling-Smee William R Burnside

Boivin et al.’s (1) article profoundly deepens scientific understanding of anthropogenic global ecological change from Pleistocene to present by offering robust new evidence of early human transformation of the biosphere that should influence discussions on Anthropocene formalization (2, 3). As ecologists and evolutionary theorists, we applaud this work. However, we are also concerned that this...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1999
K N Laland F J Odling-Smee M W Feldman

Organisms regularly modify local resource distributions, influencing both their ecosystems and the evolution of traits whose fitness depends on such alterable sources of natural selection in environments. We call these processes niche construction. We explore the evolutionary consequences of niche construction using a two-locus population genetic model, which extends earlier analyses by allowin...

2008
Renata L. Stange Fabiana S. Santana Antonio M. Saraiva

The purpose of ecological niche modelling is to obtain a probabilistic species distribution based on species localization and environmental data. The problem is highly complex from the architectural viewpoint because its requirements include different distributed, interoperable and integration issues. Monolithic solutions were proposed and implemented but they were not able to achieve all requi...

2004
Lluı́s Brotons Wilfried Thuiller Miguel B. Araújo Alexandre H. Hirzel

Habitat suitability models can be generated using methods requiring information on species presence or species presence and absence. Knowledge of the predictive performance of such methods becomes a critical issue to establish their optimal scope of application for mapping current species distributions under different constraints. Here, we use breeding bird atlas data in Catalonia as a working ...

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