Synopsis
Sampling in six estuaries of the east coast of James and Hudson Bays between 1973 and 1977 has revealed latitudinal differences in the composition of fish communities. Arctic and subarctic marine species are more prominent in estuaries of Hudson Bay. Fewer species are found northwards with 35 species in lower rivers and estuaries of James Bay and only 24 in those of Hudson Bay, for a total of 38 species. Climate, postglacial dispersion and restricted space are proposed as causes of the observed distribution of fishes.
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Morin, R., Dodson, J. & Power, G. Estuarine fish communities of the eastern James-Hudson Bay coast. Environ Biol Fish 5, 135–141 (1980). https://doi.org/10.1007/BF02391620
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DOI: https://doi.org/10.1007/BF02391620