Results 281 to 290 of about 809,119 (310)
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Exploring Spatial and Multitype Assemblages of Species Abundances
Biometrical Journal, 2009AbstractThe ecological theory of the existence of multiple stable states between species, or the spatial heterogeneity of some unobserved environmental factor, supports the idea of multitype interactions between species. These multitype interactions can lead to different assemblages of species abundances.
Georgescu, Vera +3 more
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The relative abundance of species
1984Ecologists have long recognized that species are not equally abundant, and that communities with similar species densities often differ in another way; the relative importance or abundance of the constituent species. Considerable effort has been expended in attempts to document differences and regularities in relative abundances, as an understanding of
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Road densities and species abundance
2009 17th International Conference on Geoinformatics, 2009Roads form a complex system to connect people and goods. In recent years, the economic development and population increase have led to the active construction of new roads and railways. Therefore, as the human activities increase, the density of roads also escalates.
null Yi-Fang Chen, W.W. Chen
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Models for the logarithmic species abundance distributions
Theoretical Population Biology, 1974Abstract Three models, developed by Karlin, McGregor and Ewens to describe evolving populations of selectively neutral genotypes, are shown to lead to various versions of Fisher's logarithmic series distribution for species abundance. Statistical inference procedures and measures of diversity which have been developed in one of the two contexts are ...
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Species-Abundance Relation and Diversity
1984The scenic affluence of nature is attributable to the fact that most ecological communities contain a rich variety of biological species with widely differing abundances. Ecologists long have been interested in the distribution of abundances of species within a given area.
Ei Teramoto +2 more
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Prioritize wild species abundance indicators
Science, 2023Geldmann, Jonas +4 more
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The succession of minima in the abundance of species
Oikos, 2010Many of the leading ecological and evolutionary characteristics of populations are governed by their effective population size, which in turn is strongly influenced by the minimum census size. The succession of minima of increasing rank R in time is described by the expected value of the next minimum ω R
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A quantitative review of abundance‐based species distribution models
Ecography, 2022Conor Waldock +2 more
exaly
Predicting species abundance by implementing the ecological niche theory
Ecography, 2021Alejandro De La Fuente +2 more
exaly
Habitat suitability estimated by niche models is largely unrelated to species abundance
Global Ecology and Biogeography, 2018Tad Dallas, Alan Hastings
exaly