Nom du corpus

Corpus Systématique Animale

Titre du document

Effects of planktivorous fish mass mortality on the plankton community of Lake Mendota, Wisconsin: implications for biomanipulation

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Éditeur
Springer (journals)
Langue(s) du document
Anglais
Type de document
Research-article
Mots-clés d'auteur
  • biomanipulation
  • freshwater community structure
Nom du fichier dans la ressource
Poissons_v2b_004139
Auteur(s)
  • Michael J. Vanni 1
  • Chris Luecke 1,2
  • James F. Kitchell 1
  • John J. Magnuson 1
Affiliation(s)
  • 1) Center for Limnology, University of Wisconsin, 53706, Madison, Wisconsin, USA
  • 2) Department of Fisheries and Wildlife, Utah State University, 84322, Logan, Utah, USA
Résumé

Massive mortality of planktivorous fish had a dramatic impact on plankton community dynamics of Lake Mendota, Wisconsin, USA. After fish mortality, the largerDaphnia pulicaria replaced the smallerDaphnia galeata mendotae, resulting in greater grazing pressure on phytoplankton. This was accompanied by a much longer spring clear-water period and lower summer phytoplankton biomass compared to years before the fish mortality. Analysis of historical data (from the mid-1970's) showed that previous fluctuations in planktivorous abundance had similar effects onDaphnia abundance and species composition, and on spring phytoplankton biomass. However, the mid-1970's fish fluctuations had no detectable effect on summer phytoplankton. Concentrations of phosphorus were much higher in the 1970's (spring P 80–135 µg 1?1) than in the 1980's (spring P 19–36 µg 1?1) and it is possible that high P concentrations may reduce trophic cascade effects on summer phytoplankton communities. This suggests that the success of biomanipulation programs may be dependent on lake nutrient status.

Catégories Science-Metrix
  • 1 - natural sciences
  • 2 - biology
  • 3 - marine biology & hydrobiology
Catégories INIST
  • 1 - sciences appliquees, technologies et medecines
  • 2 - sciences biologiques et medicales
  • 3 - sciences biologiques fondamentales et appliquees. psychologie
  • 4 - ecologie animale, vegetale et microbienne
Catégories Scopus
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Aquatic Science
Catégories WoS
  • 1 - science ; 2 - marine & freshwater biology
Identifiant ISTEX
010CE09F115A7CB36D584D1D8AB7119A2C0E3995
Revue

Hydrobiologia

Année de publication
1990
Présence de XML structuré
Non
Version PDF
1.3
Score qualité du texte
6.754
Sous-corpus
  • Poissons
Type de publication
Journal
ark:/67375/1BB-BC8HLQWN-R
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