Articles by Keyword: Seaweed

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  1. Patterns in subtidal seaweed communities on coral-dominated reefs at Sodwana Bay on the KwaZulu-Natal coast, South Africa

    Patterns in subtidal seaweed communities on coral-dominated reefs at Sodwana Bay on the KwaZulu-Natal coast, South Africa

    Item type: Journal Article • Journal: African Journal of Marine Science
    Subtidal seaweed communities of the northern coast of KwaZulu-Natal (KZN) have not been studied before. At Sodwana Bay, we tested the hypotheses that the seaweed communities would (1) differ floristically with depth, (2) be more species-rich in shallower water, (3)...
  2. Molecular evidence for three separate cryptic introductions of the red seaweed <em>Asparagopsis</em> (Bonnemaisoniales, Rhodophyta) in South Africa

    Molecular evidence for three separate cryptic introductions of the red seaweed <em>Asparagopsis</em> (Bonnemaisoniales, Rhodophyta) in South Africa

    Item type: Journal Article • Journal: African Journal of Marine Science
    The red seaweed genus Asparagopsis Montagne (Bonnemaisoniales) contains two widely introduced species that are considered notorious seaweed invaders worldwide, Asparagopsis armata and A. taxiformis, both characterised by heteromorphic, diplo-haplontic life histories. To uncover cryptic introductions of Asparagopsis along the South...
  3. The seaweeds of Angola: the transition between tropical and temperate marine floras on the west coast of southern Africa

    The seaweeds of Angola: the transition between tropical and temperate marine floras on the west coast of southern Africa

    Item type: Journal Article • Journal: African Journal of Marine Science
    The seaweed flora of Angola is relatively poorly known. Most of the 124 records listed for the country come from a 1974 British Natural History Museum expedition to the central and southern parts of that country. Previous biogeographic studies treated...
  4. Growth of post-weaning abalone <em>Haliotis midae</em> fed commercially available formulated feeds supplemented with fresh wild seaweed

    Growth of post-weaning abalone <em>Haliotis midae</em> fed commercially available formulated feeds supplemented with fresh wild seaweed

    Item type: Journal Article • Journal: African Journal of Marine Science
    The effect of five formulated feeds supplemented with fresh wild seaweed on the growth of post-weaning juvenile abalone Haliotis midae (6–20 mm shell length) was investigated by means of a growth trial at a commercial abalone farm over a period...
  5. The effect of low-level kelp supplementation on digestive enzyme activity levels in cultured abalone <em>Haliotis midae</em> fed formulated feeds

    The effect of low-level kelp supplementation on digestive enzyme activity levels in cultured abalone <em>Haliotis midae</em> fed formulated feeds

    Item type: Journal Article • Journal: African Journal of Marine Science
    Previous studies have found that macroalgal inclusion in formulated diets for cultured abalone improves feed utilisation, and it was suggested that seaweed-associated bacteria supply enzymes that aid in the animal's digestion. In the present study, we hypothesised that kelp supplementation...
  6. Kelp forests in False Bay: urchins vs macroalgae in South Africa’s southwest coast biogeographical transition zone

    Kelp forests in False Bay: urchins vs macroalgae in South Africa’s southwest coast biogeographical transition zone

    Item type: Journal Article • Journal: African Journal of Marine Science
    Kelp forests along South Africa's southwest coast occur in a region of biogeographical overlap. Commonly referred to as transition-zone kelp forests, these dynamic ecosystems are particularly susceptible to grazing from species such as urchins. This study explores relationships between urchins...