Journal article

The influence of habitat structure on nearshore fish assemblages in a southern Australian embayment: Comparison of shallow seagrass, reef-algal and unvegetated sand habitats, with emphasis on their importance to recruitment

GP Jenkins, MJ Wheatley

JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY | ELSEVIER SCIENCE BV | Published : 1998

Abstract

Assemblage structure and juvenile recruitment of fishes was compared amongst three habitats: seagrass, Heterozostera tasmanica (Martens ex Aschers.) den Hartog; reef-algal; and unvegetated sand. Sampling was conducted monthly from October 1993 to March 1994 at three locations in Port Phillip Bay, southern Australia. A fine-mesh seine net was used to sample subtidally at a depth of approximately 0.5 m. Fish assemblages differed primarily between structured habitats and unvegetated sand, and a number of species previously reported to occur in seagrass habitat were also found to utilise reef-algal habitat. Species richness was highest in seagrass and lowest in unvegetated sand with significant ..

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