Nom du corpus

Corpus Systématique Animale

Titre du document

Behavioral response to predators reverses the outcome of competition between prey species

Lien vers le document
Éditeur
Springer (journals)
Langue(s) du document
Anglais
Type de document
Research-article
Nom du fichier dans la ressource
Poissons_v2b_004092
Auteur(s)
  • Lennart Persson
Affiliation(s)
  • Department of Animal Ecology, University of Umeå, S-901 87, Umeå, Sweden
Résumé

In a laboratory experiment it was shown that piscivorous predators reversed the outcome of competitive interactions between two fish prey species, juveniles of roach (Rutilus rutilus) and perch (Perca fluviatilis), by behaviorally affecting their use of two available habitats, an open water habitat and a structurally complex refuge. The shift in the competitive relationship was the result of predators forcing the juvenile fishes into a prey refuge with high structural complexity. While roach was competitively superior in the unstructured habitat, perch was superior in the structurally complex prey refuge. The reversal in competitive relationship was demonstrated both with respect to foraging rate and growth rate and resulted from the high structural complexity in the prey refuge interfering with the roach's swimming performance. Because survival and growth patterns through the juvenile stages have profound effects on the population/community dynamics of size-structured populations such as those of fish, behaviorally induced changes in competitive ability should have significant implications also at the population and community levels.

Catégories Science-Metrix
  • 1 - health sciences
  • 2 - psychology & cognitive sciences
  • 3 - behavioral science & comparative psychology
Catégories INIST
  • 1 - sciences appliquees, technologies et medecines
  • 2 - sciences biologiques et medicales
  • 3 - sciences biologiques fondamentales et appliquees. psychologie
Catégories Scopus
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Animal Science and Zoology
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Ecology, Evolution, Behavior and Systematics
Catégories WoS
  • 1 - science ; 2 - zoology
  • 1 - science ; 2 - ecology
  • 1 - science ; 2 - behavioral sciences
Identifiant ISTEX
A80AE67F5F1EDDBD9DC52CCFD804E38533AA6D5D
Revue

Behavioral Ecology and Sociobiology

Année de publication
1991
Présence de XML structuré
Non
Version PDF
1.3
Score qualité du texte
7.244
Sous-corpus
  • Poissons
Type de publication
Journal
ark:/67375/1BB-DP0JC85R-6
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