Articles by Author: G M Branch

Search results for G M Branch

We found 162 results for you
  1. Inventory of South African Natural Forests for Management Purposes

    Item type: Journal Article • Journal: South African Forestry Journal
    The types of inventories used for the management of South African natural forests, primarily focusing on those of the Cape Province, are outlined. The inventory types used are discussed within the framework of three main classes of resource inventories (resource...
  2. FISH SPECIES IN STEIUTONTEIN DAN, TUGELA-VAAI SYSTEM, SOUTH AFRICA

    FISH SPECIES IN STEIUTONTEIN DAN, TUGELA-VAAI SYSTEM, SOUTH AFRICA

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa
    Two alien species and seven indigenous species, including two minnow species, were present in Sterkfontein Dam. Of the larger species, Barbus aeneus and Labco capensis were the dominant in terms of numbers.
  3. Diet of the West Coast rock lobster <em>Jasus lalandii</em>: influence of lobster size, sex, capture depth, latitude and moult stage

    Diet of the West Coast rock lobster <em>Jasus lalandii</em>: influence of lobster size, sex, capture depth, latitude and moult stage

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Diets of male and female West Coast rock lobster Jasus lalandii in South Africa were compared across a large size range of 10–85 mm carapace length (CL). The diets of male rock lobsters were compared between two different depths, different...
  4. Relationships between recruits of abalone <em>Haliotis midae</em>, encrusting corallines and the sea urchin <em>Parechinus angulosus</em>

    Relationships between recruits of abalone <em>Haliotis midae</em>, encrusting corallines and the sea urchin <em>Parechinus angulosus</em>

    Item type: Journal Article • Journal: South African Journal of Marine Science
    In kelp beds of the South-Western Cape, South Africa, a strong positive relationship exists between the sea urchin Parechinus angulosus and juveniles of the abalone Haliotis midae. Field surveys reported here revealed a positive, but weak, association between this urchin...
  5. Evidence for a positive relationship between juvenile abalone <em>Haliotis midae</em> and the Sea urchin <em>Parechinus angulosus</em> in the South-Western Cape, South Africa

    Evidence for a positive relationship between juvenile abalone <em>Haliotis midae</em> and the Sea urchin <em>Parechinus angulosus</em> in the South-Western Cape, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Previous field observations have suggested an association between the urchin Parechinus angulosus and juveniles of the abalone Haliotis midae. To test the generality and nature of this association, surveys were carried out at five sites between Cape Point and Danger...
  6. A review of orange roughy <em>Hoplostethus atlanticus</em> fisheries, estimation methods, biology and stock structure

    A review of orange roughy <em>Hoplostethus atlanticus</em> fisheries, estimation methods, biology and stock structure

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Orange roughy Hoplostethus atlanticus are unusual fish. They form dense aggregations that have fuelled lucrative fisheries at great depths (600–1 400 m), especially off Namibia, New Zealand and Australia. They are thought to be very long-lived (>100 years, maturity at...
  7. Recommendations for the management of subsistence fisheries in South Africa

    Recommendations for the management of subsistence fisheries in South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    This paper summarizes recommendations for the management of previously marginalized and neglected subsistence fisheries in South Africa. The recommendations stem from the activities and analyses of a task group appointed by Government and mandated to provide advice about management of...
  8. Case studies on the socio-economic characteristics and lifestyles of subsistence and informal fishers in South Africa

    Case studies on the socio-economic characteristics and lifestyles of subsistence and informal fishers in South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    To develop a management strategy for informal fishers, a necessary first step is information about the nature of these fishers, their numbers and their socio-economic status. To accomplish this, a survey of socio-economic conditions and use of marine resources was...
  9. Defining fishers in the South African context: subsistence, artisanal and small-scale commercial sectors

    Defining fishers in the South African context: subsistence, artisanal and small-scale commercial sectors

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Evolution of a new policy for the management of marine fisheries in South Africa led to the Marine Living Resources Act of 1998 (MLRA). Among other innovations, this requires that management strategies be developed for subsistence fisheries. As a prerequisite,...