Abstract
Spatial and temporal patterns of abundance of two species of exoedicerotid amphipod at several sandy beaches near Sydney, Australia are described and related to physicochemical factors. Replicate cores were taken at monthly intervals for one year from the swash zone and data were analysed by two-way (site × month), fixed-factor analysis of variance. Spatial and temporal differences in abundance were usually significant but inconsistent because of significant site × month interactions. Spatial differences in Exoediceroides maculosus sometimes occurred in the absence of obvious corresponding physicochemical differences although the density of stranded seagrass and algae may affect abundance. The abundance of Exoediceros fossor was often greater in lagoons than open beaches. Salinity, temperature and storms had no apparent effect on the temporal patterns of abundance of either species.
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Jones, A.R., Murray, A. & Marsh, R.E. Patterns of abundance of exoedicerotid amphipods on sandy beaches near Sydney, Australia. Hydrobiologia 223, 119–126 (1991). https://doi.org/10.1007/BF00047633
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DOI: https://doi.org/10.1007/BF00047633