Nom du corpus

Corpus Systématique Animale

Titre du document

Ecotopic and ontogenetic trophic variation in mojarras (Pisces: Gerreidae)

Lien vers le document
Éditeur
Springer (journals)
Langue(s) du document
Anglais
Type de document
Research-article
Nom du fichier dans la ressource
Arthropodes_v2b_01586, Mollusques_v2b_00830, Poissons_v2b_004228, Vers_v2b_00523
Auteur(s)
  • Barbara A. Kerschner 1
  • Mark S. Peterson 2
  • R. Grant Gilmore 3
Affiliation(s)
  • 1) Department of Oceanography and Ocean Engineering, Florida Institute of Technology, 32901, Melbourne, Florida
  • 2) Department of Biological Sciences, University of Southern Mississippi, 39406-5018, Hattiesburg, Mississippi
  • 3) Harbor Branch Foundation, Inc., R.R.1, Box 196, 33450, Ft. Pierce, Florida
Résumé

Seven species of mojarras (Gerreidae) were collected from three stations in the Indian River lagoon near the Sebastian Inlet, Florida over an eighteen month period to study spatial and temporal variations in occurrence and feeding habits. Two major habitats common to this area were represented in the study; a sandy beach and a seagrass flat. Of the 2,899 gerreids collected,Eucinostomus gula represented 67% and was found primarily in theHalodule seagrass site. The next most abundant species,E. argenteus (11%),E. jonesi andE. lefroyi (each 10%), were found most frequently at the inlet site.Diapterus auratus, E. melanopterus, andGerres cinereus were captured infrequently and were considered incidental. Prey items found included amphipods, bivalves, copepods, fish eggs, foraminifera, isopods, nematodes, ostracods, polychaetes and crustacean parts. Significant amounts of sand and unidentifiable amorphous debris were also included in the gut content analysis. Little interspecific variation in diet was found among the four major species examined. The general shift seen from a diet composed primarily of copepods and other crustaceans to one of polychaetes suggests an intraspecific ontogenetic progression. Spatial variations in diet composition were also indicated between the two major habitats. Feeding analyses showed gerreids to be diurnal feeders with the greatest consumption (total gut content weight) occurring at dusk.

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 - psychologie. psychophysiologie
Catégories Scopus
  • 1 - Physical Sciences ; 2 - Environmental Science ; 3 - General Environmental Science
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Aquatic Science
  • 1 - Physical Sciences ; 2 - Environmental Science ; 3 - Environmental Chemistry
Identifiant ISTEX
F5E5E486492A0C93D9089086F1F23124A4994A6F
Revue

Estuaries

Année de publication
1985
Présence de XML structuré
Non
Version PDF
1.3
Score qualité du texte
8.662
Sous-corpus
  • Arthropodes
  • Mollusques
  • Poissons
  • Vers
Type de publication
Journal
ark:/67375/1BB-73PZML58-Q
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