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Observations on the biology of Microsetella norvegica
Fish, C.J. (1955). Observations on the biology of Microsetella norvegica, in: Papers in Marine Biology and Oceanography. Dedicated to Henry Bryant Bigelow, By His Former Students and Associates on the occasion of The Twenty-fifth Anniversary of the Founding of The Woods Hole Oceanographic Institution 1955. Deep-Sea Research (1953), 3(Supplement): pp. 242-249
In: (1955). Papers in Marine Biology and Oceanography. Dedicated to Henry Bryant Bigelow, By His Former Students and Associates on the occasion of The Twenty-fifth Anniversary of the Founding of The Woods Hole Oceanographic Institution 1955. Deep-Sea Research (1953), 3(Supplement). Pergamon Press: London & New York. 498 pp., more
In: Deep-Sea Research (1953). Pergamon: Oxford; New York. ISSN 0146-6291; e-ISSN 1878-2485, more
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    Marine

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  • Fish, C.J.

Abstract
    Microsetella norvegica is one of two microcopepod species which appear significant in the natural economy of certain western Atlantic boreal waters. During the winter months it extends its range southward at least as far as the latitude of Chesapeake Bay. North of Cape Cod in the Gulf of Maine region it is widespread with a tendency to form concentrations of limited area. Propagation in 1932 began in March in the outer area between Georges Bank and Cape Cod and gradually expanded as the season progressed until it reached a peak in the Gulf along a band seaward of the 100 metre curve from Casco Bay to the Bay of Fundy. There is evidence of three and possibly four generations between March and September. As in other endemic pelagic species there was a progressive delay to the eastward in the time of spawning, but unlike most of these Microsetella was found propagating successfully at low summer temperatures, averaging 11 °-13.5° C, in the turbulent eastern (Frenchman's Bay) area.

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