Foraging Adaptation and the Relationship Between Food-Web Complexity and Stability

• Michio Kondoh

  Center for Ecological Research, Kyoto University, Kamitanakami, Otsu 520-2113, Japan.

抄録

Ecological theory suggests that complex food webs should not persist because of their inherent instability. “Real” ecosystems often support a large number of interacting species. A mathematical model shows that fluctuating short-term selection on trophic links, arising from a consumer's adaptive food choice, is a key to the long-term stability of complex communities. Without adaptive foragers, food-web complexity destabilizes community composition; whereas in their presence, complexity may enhance community persistence through facilitation of dynamical food-web reconstruction that buffers environmental fluctuations. The model predicts a linkage pattern consistent with field observations.

収録刊行物

• Science

  Science 299 (5611), 1388-1391, 2003-02-28

  American Association for the Advancement of Science (AAAS)

キーワード

• Multidisciplinary

詳細情報

• CRID: 1360574094910425856
• NII論文ID: 80015899263
• DOI: 10.1126/science.1079154
• ISSN: 10959203
• ISSN: 00368075
• Web Site: https://www.science.org/doi/pdf/10.1126/science.1079154
• データソース種別:
  • Crossref
  • CiNii Articles