Dynamical evolution of ecosystems

Article Abstract:

An analytical model is described that allows the detection of the characteristic timescales of evolving tropical forests and the evaluation of the consequences of anthropogenic process. The model has given a good description of the large quantity of data collected in Barro Colorado Island in Panama in the period 1990-2000 with just three ecologically relevant parameters and has predicted the dynamics of extinction of the existing species.

Panama, Analysis, Environmental aspects, Forest ecology, Barro Colorado Island, Neutral evolution

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Density dependence explains tree species abundance and diversity in tropical forests

Article Abstract:

The fits of the dispersal is compared and the density dependence mechanisms for empirical RSA data on tree species in six New and Old World tropical forests show that both mechanisms offer sufficient and independent explanations and the RSA data cannot suggest to discriminate among the explanations of RSA patterns. Thus ecologists have to explain the high levels of tree diversity that occur in tropical forests.

United States, Biological diversity, Biodiversity

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Patterns of relative species abundance in rainforests and coral reefs

Article Abstract:

The various patterns of relative species abundance (RSA) governing the communities of interacting species in tropical forests and coral reefs are analyzed.

Goods & services distribution, Channels of Distribution, Labor Distribution by Employer, Statistics, Distribution, Natural resources, Species, Species (Biology), Coral reefs and islands, Coral reefs, Company distribution practices, Report

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