منابع مشابه
Spatial scaling in model plant communities.
We present an analytically tractable variant of the voter model that provides a quantitatively accurate description of Beta diversity (two-point correlation function) in two tropical forests. The model exhibits novel scaling behavior that leads to links between ecological measures such as relative species abundance and the species-area relationship.
متن کاملGenerating Spatial Distributions for Multilevel Models of Plant Communities
The simulation and visualization of large groups of plants has many applications. The extreme visual complexity of the resulting scenes can be captured using multilevel models. For example, in two-level models, plant distributions may be determined using coarse plant representations, and realistic visualizations may be obtained by substituting detailed plant models for the coarse ones. In this ...
متن کاملSpatial Scaling in Ecology
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متن کاملSpatial scaling laws do not structure strongyloid nematode communities in macropodid hosts.
The characteristics of species within a community can influence the number of species that can coexist within that community. In particular, body size can constrain how many individuals can 'fit' into a community, and overlap in resource use between species depends on differences in their body sizes. Here, using data from 18 communities of strongyloid nematodes living in the stomachs of macropo...
متن کاملPlant Communities in Eastern Mongolia
In this contribution is presented a phytosociological description of plant communities, recorded in the phytogeographical district of Eastern Mongolia, including parts of the Dornod (Eastern) and the Choybalsan aymags. The whole district is characterized by steppe vegetation. Other vegetation types, like elm (Ulmus pumila) bush vegetation, shrubbery on sandy and rocky sites, Salix miyabeana bus...
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2005
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.95.098101