File:Marine biological report for the year ended and the half year ending (1918) (14772167424).jpg

Identifier: marinebiological41918cape (find matches)
Title: Marine biological report for the year ended ... and the half year ending ..
Year: 1913 (1910s)
Authors:
Subjects: Marine biology
Publisher: Cape Town : Cape Times Ltd., Govt. printers
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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ion, but rather an increase, of fish in the Zwartkops. It was stated, however, that there had been a falling ofi ofthe supply of fish in the Bay, as also in the neighbouringGamtoos and the Sundays Rivers. The decrease of fi.^h inthese rivers, however, was explained—in the Gamtoos, be lusea flood had brought down mud and covered the reef r themouth, and in the Sundays River, because there had beenno flood to clear away the sand bar. Salmon (Elops) andBarbel (Galeichthys) were, however, said to be scarcer in theZwartkops. Other suggestions were that an increase of fishmay be due to fewer motor launches being in the river, andthat the reappearance of mussels, which had for ten or twelveyears disappeared, had brought back the fish. Though the proposed close season for angling was consideredunnecessary, it was felt that some restrictions should be madein the form of a size limit, below which no fish were to becaught, and a committee was appointed to make suggestionsin this direction. 50.
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65 Before, however, these proposals assumed a definite formthe whole question again came up towards the expiry of thethree years probation, and the same conflicting statementswere urged with additional warmth and with the additionalargument, on the one hand, that the closure had resulted inan increase in number and size of fish and, on the other hand,that it had resulted in a decrease as there had been no nettingto remove the vermin from the river. Under those circumstances the only solution of the difficultywas obviously to carry out the experiments originally con-,templated, and this the Government proposed to do. At a meeting of anglers and netters at Zwartkops on the25th June, 1915, it was mutually agreed that the river shouldremain closed to netting for a period of twelve months, duringwhich regular experimental netting should be carried out.Two days later the first netting took place, and was repeatedmonthly to July, 1916. This, briefly, is the history of the question, and we ma

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