Fish communities of estuarine salt marshes of eastern North America, and comparisons with temperate estuaries of other continents

Fish communities of estuarine salt marshes of eastern North America, and comparisons with... Twenty eastern North American estuarine/saltmarsh locations, for which publishedinventories of inhabiting fishes wereavailable, were selected for study. Thegeographic range of systems extended from southTexas on the west; North River, FL. on thesouth; to Prince Edward Island, Canada on theeast; and James and Hudson Bays, Canada at thenorth. A total of 237(±) species offishes were associated with these systems. Lifehistory groupings included: permanent residents(9.3%); marine nursery species (17.7%);diadromous fishes (5.5%); marine transients(52.3%); and freshwater transients (15.2%).The most widely distributed species wereprimarily permanent residents and marinenursery species. The fraction of residentspecies did not vary significantly over thelatitudinal range, but the fraction of marinemigratory (MN + MT) species decreased withlatitude. An increasing fraction of diadromous(anadromous) species may compensate for thedecreasing fraction of marine migratoryspecies. Permanent residents, marine nurseryspecies, and marine transients all showedextended periods of spawning. Permanentresident species showed the widest ranges ofambient salinity tolerances or of ambientsalinity ranges of occupied habitats, withmarine nursery species second. Patterns withrespect to ambient temperature tolerances wereassociated with geographic ranges rather thanlife history groups. A general profile wasproduced of characteristics of species thatlive as permanent residents in salt marshestuaries of eastern North America. Reviews in Fish Biology and Fisheries Springer Journals

Fish communities of estuarine salt marshes of eastern North America, and comparisons with temperate estuaries of other continents

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Kluwer Academic Publishers
Copyright © 2003 by Kluwer Academic Publishers
Life Sciences; Freshwater & Marine Ecology; Zoology
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