Environmental changes, coextinction, and patterns in the fossil record

Luís A. Nunes Amaral, Martin Meyer

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

We introduce a new model for large scale evolution and extinction in which species are organized into food webs. The system evolves by two processes: origination/speciation and extinction. In the model, extinction of a given species can be due to an externally induced change in the environment or due to the extinction of all preys of that species (coextinction). The model is able to reproduce the empirical observations without defining a fitness function or invoking competition between species.

Original languageEnglish (US)
Pages (from-to)652-655
Number of pages4
JournalPhysical review letters
Volume82
Issue number3
DOIs
StatePublished - 1999

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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