Articles by Author: Ml Dicken

Search results for Ml Dicken

We found 15 results for you
  1. Shark fishing effort and catch of the ragged-tooth shark <em>Carcharias taurus</em> in the South African competitive shore-angling fishery

    Shark fishing effort and catch of the ragged-tooth shark <em>Carcharias taurus</em> in the South African competitive shore-angling fishery

    Item type: Journal Article • Journal: African Journal of Marine Science
    An integrated telephone and on-site questionnaire survey was used to estimate total shark fishing effort and specific catch of the ragged-tooth shark Carcharias taurus by coastal club-affiliated shore-anglers, primarily along the east coast of South Africa. Mean total shark fishing...
  2. Spatial and seasonal distribution patterns of the ragged-tooth shark <em>Carcharias taurus</em> along the coast of South Africa

    Spatial and seasonal distribution patterns of the ragged-tooth shark <em>Carcharias taurus</em> along the coast of South Africa

    Item type: Journal Article • Journal: African Journal of Marine Science
    Catches from competitive shore-anglers, inshore boat-based anglers and sightings by spearfishers and divers were used to infer the spatial and seasonal movement patterns of young-of-the-year (<1.2m TL), juvenile (1.2–1.8m TL), sub-adult (1.8–2.4m TL) and adult (>2.4m TL) ragged-tooth sharks Carcharias...
  3. Socio-economic aspects of boat-based ecotourism during the sardine run within the Pondoland Marine Protected Area, South Africa

    Socio-economic aspects of boat-based ecotourism during the sardine run within the Pondoland Marine Protected Area, South Africa

    Item type: Journal Article • Journal: African Journal of Marine Science
    Understanding recreational aspects of the tourism industry developing around the KwaZulu-Natal sardine run is important for the protection and sustainability of the Pondoland Marine Protected Area (MPA), on the south-east coast of South Africa. Between June and July 2007, a...
  4. The ichthyofauna in the Port of Ngqura, South Africa

    The ichthyofauna in the Port of Ngqura, South Africa

    Item type: Journal Article • Journal: African Journal of Marine Science
    This study provides one of the first quantitative assessments of a fish community within a pre-operational deep-water port system. Between September 2006 and September 2007 a total of 4 559 fish, representing 47 species and 27 different families, were caught...
  5. Population size of neonate and juvenile dusky sharks <em>Carcharhinus obscurus</em> in the Port of Ngqura, South Africa

    Population size of neonate and juvenile dusky sharks <em>Carcharhinus obscurus</em> in the Port of Ngqura, South Africa

    Item type: Journal Article • Journal: African Journal of Marine Science
    Identifying nearshore waters that serve as important habitats for neonate and juvenile sharks is crucial for effective fisheries management. This study examined the abundance of neonate and juvenile dusky sharks Carcharhinus obscurus within the Port of Ngqura, on the south-east...
  6. Long-term catch and effort trends in Eastern Cape Angling Week competitions

    Long-term catch and effort trends in Eastern Cape Angling Week competitions

    Item type: Journal Article • Journal: African Journal of Marine Science
    Catches from Angling Week competitions between 1999 and 2010 were analysed to examine changes in catch and effort. Over the course of the study period there was a marked drop in the number of competing anglers and a significant reduction...
  7. White sharks <em>Carcharodon carcharias</em> at Bird Island, Algoa Bay, South Africa

    White sharks <em>Carcharodon carcharias</em> at Bird Island, Algoa Bay, South Africa

    Item type: Journal Article • Journal: African Journal of Marine Science
    We present the first quantitative study of the occurrence, size and sex of white sharks Carcharodon carcharias at Bird Island, Algoa Bay. Twenty-two boat trips were made to Bird Island between November 2009 and October 2011 to chum for sharks...
  8. Socio-economic aspects of the Sodwana Bay SCUBA diving industry, with a specific focus on sharks

    Socio-economic aspects of the Sodwana Bay SCUBA diving industry, with a specific focus on sharks

    Item type: Journal Article • Journal: African Journal of Marine Science
    Understanding socio-economic aspects of the diving industry at Sodwana Bay, including data on participant motivation and expenditure, is crucial for the effective management of the St Lucia and Maputaland marine protected areas, South Africa. Between July 2011 and July 2012...
  9. Socio-economic aspects of the tiger shark diving industry within the Aliwal Shoal Marine Protected Area, South Africa

    Socio-economic aspects of the tiger shark diving industry within the Aliwal Shoal Marine Protected Area, South Africa

    Item type: Journal Article • Journal: African Journal of Marine Science
    Understanding socio-economic aspects of the tiger shark Galeocerdo cuvier diving industry, including information on participant expectations, experiences and expenditure, is necessary for the effective management of the Aliwal Shoal Marine Protected Area on the east coast of South Africa. Between...
  10. Factors affecting recapture rates of raggedtooth sharks <em>Carcharias taurus</em> tagged off the east coast of South Africa

    Factors affecting recapture rates of raggedtooth sharks <em>Carcharias taurus</em> tagged off the east coast of South Africa

    Item type: Journal Article • Journal: African Journal of Marine Science
    Understanding differences in the recapture rate between different tags (A-, B- and C-types), capture methods (rock-and-surf anglers, scientific divers and Natal Sharks Board protection nets) and life-history stages (juvenile and adult) is critical in evaluating the results obtained from cooperative...