RESOURCES: Life-and-Death Matters

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Science  23 Nov 2001:
Vol. 294, Issue 5547, pp. 1623
DOI: 10.1126/science.294.5547.1623c

Population ecologists want to know how aspects of individual lives such as birth, growth, diet, and death shape populations and drive their dynamics. This community site for population ecologists, built by Alexei Sharov of Virginia Tech in Blacksburg, offers some standard features, such as a worldwide directory of researchers and links to journals and professional organizations. But most useful may be the catalog of hyperlinks to online ecological models. A site at the University of Kassel in Germany, for instance, offers more than 100 models simulating everything from carbon cycling in the biosphere to the growth and death of trees in a forest. You'll also find Sharov's online course in quantitative population ecology and tutorials on classic models, such as the Lotka-Volterra model of predator-prey dynamics.∼sharov/popechome

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