Articles by Author: S J Lamberth

Search results for S J Lamberth

We found 31 results for you
  1. Field and analytical drogue studies applicable to the St Helena Bay area off South Africa's west coast

    Field and analytical drogue studies applicable to the St Helena Bay area off South Africa's west coast

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Evidence is presented, from CODE drifters, of a strong time-dependent surface current flowing southwards from St Helena Bay. The local construction of the drifters is discussed and their performance against a likely background of circulation in the Bay is analysed...
  2. Catch-and-effort estimates for the gillnet and beach-seine fisheries in the Western Cape, South Africa

    Catch-and-effort estimates for the gillnet and beach-seine fisheries in the Western Cape, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Total catch and effort for the inshore net-fisheries in the Western Cape, South Africa, were estimated by means of face-to-face questionnaire, telephone and access point surveys, analysis of factory records and compulsory catch returns. In most areas, gillnet fishing effort...
  3. 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...
  4. Socio-economic characteristics of gillnet and beach-seine fishers in the Western Cape, South Africa

    Socio-economic characteristics of gillnet and beach-seine fishers in the Western Cape, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Data collected by questionnaire and telephone surveys conducted during 1998 and 1999 are used to describe the socio-economic characteristics of inshore netfishers in the Western Cape. Approximately two-thirds of netfishers work or have worked in other fishing sectors and a...
  5. Assessment of the impact of commercial beach-seine netting on juvenile teleost populations in the surf zone of False Bay, South Africa

    Assessment of the impact of commercial beach-seine netting on juvenile teleost populations in the surf zone of False Bay, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    A total of 311 commercial beach-seine hauls monitored in False Bay between January 1991 and December 1992 yielded 38 930 juvenile teleosts from 31 species and 18 families. Eight teleost species important in anglers' catches in the South-Western Cape together...
  6. A comparison of the ichthyofauna of two estuaries and their adjacent surf zones, with an assessment of the effects of beach-seining on the nursery function of estuaries for fish

    A comparison of the ichthyofauna of two estuaries and their adjacent surf zones, with an assessment of the effects of beach-seining on the nursery function of estuaries for fish

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The ichthyofaunas of an estuary open intermittently (Zandvlei) and one permanently open (Eerste) and of the surf zones of beaches adjacent to their mouths, Muizenberg and Macassar respectively, were sampled quarterly by beach-seining. Fish densities in the Zandvlei and Eerste...
  7. Catch composition of the commercial beach-seine fishery in False Bay, South Africa

    Catch composition of the commercial beach-seine fishery in False Bay, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    A total of 726 447 fish, representing 66 species from 39 families, was recorded in 311 commercial beach-seine hauls made in False Bay between January 1991 and December 1992. Numerically, Liza richardsonii was the most important species, providing 86% of...
  8. The impact of beach-seine netting on the benthic flora and fauna of False Bay, South Africa

    The impact of beach-seine netting on the benthic flora and fauna of False Bay, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    A total of 31 invertebrate and 14 macrophyte species was recorded in the by-catch of 311 commercial beach-seine hauls made in False Bay between January 1991 and December 1992. Ecklonia maxima (22%), Codium fragile capense (16%) and Gracilaria verrucosa (9%)...
  9. The vulnerability of fish to capture by commercial beach-seine nets in False Bay, South Africa

    The vulnerability of fish to capture by commercial beach-seine nets in False Bay, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    An experimental net was set behind a commercial beach-seine net to estimate the number of fish that escape from the latter. Escapement was high, 95% of the combined catch being caught in the cover net. Escapees were numerically dominated by...
  10. Seasonality of beach-seine catches in False Bay, South Africa, and implications for management

    Seasonality of beach-seine catches in False Bay, South Africa, and implications for management

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Commercial beach-seine catches and effort in False Bay are strongly seasonal, 93% of the total catch being taken in spring, summer and autumn. Catch per haul of the target species Liza richardsonii in May (autumn) and October (spring) was double...