Abstract
The distribution of epibenthic penaeid prawn postlarvae has previously been shown to relate to the degree of marine influences in the flora, sediment and water conditions in littoral and infralittoral habitats in Moreton Bay. The postlarvae are part of a complex faunal assemblage of approximately 400 mobile epibenthic species. Samples of the assemblage from stations situated throughout Moreton Bay were analysed by multivariable methods, to detect whether the environmental influences volated to the distribution of penaeid prawns, were related to the fauna as a whole. This was found to be so. The fauna occurred in two groups in areas of either less marine or more marine influences. Animals in the first group were less diverse, with distributions unrelated to depth or presence of seagrasses, but related to the level of marine influences between geographical areas sampled. Animals in the second group were closely related to depth and presence of seagrasses, but no overall differences were attributable to marine influeces apart from those attributable to depth. Temporal changes in species composition were smaller than spatial changes, and changes in relative abundance were, in both groups, related to differences between (i) summer and winter, and (ii) spring and the rest of the year.
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Communicated by G.F. Humphrey, Sydney
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Young, P.C., Wadley, V.A. Distribution of shallow-water epibenthic macrofauna in Moreton Bay, Queensland, Australia. Mar. Biol. 53, 83–97 (1979). https://doi.org/10.1007/BF00386532
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DOI: https://doi.org/10.1007/BF00386532