Articles by Keyword: Fishery Closure

Search results for Fishery Closure

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  1. Fifty-five-year longevity for the largest member of the family Sparidae: the endemic red steenbras <em>Petrus rupestris</em> from South Africa

    Fifty-five-year longevity for the largest member of the family Sparidae: the endemic red steenbras <em>Petrus rupestris</em> from South Africa

    Item type: Journal Article • Journal: African Journal of Marine Science
    A previous study that explored the age and growth of red steenbras Petrus rupestris (Valenciennes, 1830), a large sparid (family Sparidae, seabreams or porgies) endemic to South Africa and reported to approach 2 m in length, provided estimates as a...
  2. Fish response to the annual flooding regime in the Kavango River along the Angola/Namibian border

    Fish response to the annual flooding regime in the Kavango River along the Angola/Namibian border

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The results of the first seasonal survey of the fish of the Kavango River flood-plain along the Angola/Namibia border are reported. The river experiences peak flooding from February through June, with the 375-km long floodplain extending up to 5 km...
  3. The structure of demersal assemblages off Namibia in relation to abiotic factors

    The structure of demersal assemblages off Namibia in relation to abiotic factors

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Groundfish surveys carried out between October 1992 and October 1996 were used to describe the demersal assemblages of the northern Benguela along the Namibian coast. Multivariate analyses indicated a clear separation between shelf and slope habitats, which were divided into...
  4. Economic characteristics of demand in Namibia's marine recreational shore fishery

    Economic characteristics of demand in Namibia's marine recreational shore fishery

    Item type: Journal Article • Journal: South African Journal of Marine Science
    A sample of 626 anglers was surveyed with a questionnaire to determine the expenditures, consumer surpluses and elasticities of demand associated with the Namibian recreational marine shore fishery in 1998. Two entirely different methods of valuation, the travel cost method...
  5. A decade of exploitation and management of the Namibian hake stocks

    A decade of exploitation and management of the Namibian hake stocks

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The hake resource is the most important commercial fish species in the demersal sector of Namibia's fisheries, both in terms of annual catch and contribution to Gross Domestic Product (GDP). The fishery now spans four decades. In the 1960s and...
  6. Bycatch in the gillnet and beach-seine fisheries in the Western Cape, South Africa, with implications for management

    Bycatch in the gillnet and beach-seine fisheries in the Western Cape, South Africa, with implications for management

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Interview questionnaires and access point surveys were conducted in order to describe and quantify the catch composition of the inshore net-fisheries in the Western Cape, South Africa. A total of 138 562 fish, representing 29 species from 20 families, was...
  7. The role of the Tsitsikamma National Park in the management of four shore-angling fish along the south-eastern Cape coast of South Africa

    The role of the Tsitsikamma National Park in the management of four shore-angling fish along the south-eastern Cape coast of South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The role of the Tsitsikamma National Park (TNP) in the management of four important shore-angling fish (Diplodus sargus capensis, Diplodus cervinus hottentotus, Pachymetopon grande and Dichistius capensis) was evaluated using data obtained from two independent studies conducted over a similar...
  8. SALINITY, FLOODS AND THE INFAUNAL MACROBENTHIC COMMUNITY OF THE ST LUCIA ESTUARY, KWAZULU-NATAL, SOUTH AFRICA

    SALINITY, FLOODS AND THE INFAUNAL MACROBENTHIC COMMUNITY OF THE ST LUCIA ESTUARY, KWAZULU-NATAL, SOUTH AFRICA

    Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences
    The St Lucia estuary and lake comprise some 80 % of the estuarine area of KwaZulu-Natal. The system is subject to floods and hypersaline conditions, the latter twice exceeding 100 since 1970. The lake is connected to the sea by...
  9. MANAGING THE ST. LUCIA ESTUARY—MESSAGES FROM THE MUD

    MANAGING THE ST. LUCIA ESTUARY—MESSAGES FROM THE MUD

    Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences
    The infaunal macrobenthic community of the St Lucia estuary has been exposed to natural disturbance in the form of salinity fluctuations arising from floods and hypersaline conditions, and human-induced interference arising from dredging and beam trawling. The responses of the...
  10. On two epireflective subcategories of the category of 2<em>T</em>
               <sub>0</sub>-fuzzy bitopological spaces

    On two epireflective subcategories of the category of 2<em>T</em> <sub>0</sub>-fuzzy bitopological spaces

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    The motivation for the present work is provided by Giuli and Salbany's work on the category BTOP 0 of T 0?bitopological spaces wherein they identified a cogenerator Q and a closure operator and used these to obtain, among other things,...