Browsing Research Articles (Bioversity and Conservation Biology) by Author "Robertson-Andersson, Deborah"
Now showing items 1-5 of 5
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Abalone farming in South Africa: an overview with perspectives on kelp resources, abalone feed, potential for on-farm seaweed production and socio-economic importance
Troella, M. D.; Robertson-Andersson, Deborah; Anderson, Robert J.; Bolton, John J.; Maneveldt, Gavin; Halling, C.; Probyn, T. (Elsevier, 2006)The South African abalone cultivation industry has developed rapidly and is now the largest producer outside Asia. With a rapid decline in wild abalone fisheries, farming now dominates the abalone export market in South ... -
Comparing community structure on shells of the abalone Haliotis midae and adjacent rock: implications for biodiversity
Zeeman, Zannè; Branch, George M.; Farrell, Daniel; Maneveldt, Gavin; Robertson-Andersson, Deborah; Pillay, Deena (Springer Verlag, 2013)This paper concerns the effects on biodiversity of depletion 24 of the South African abalone Haliotis midae, which is a long-lived species with a large corrugated shell that provides a habitat for diverse benthic organisms. ... -
Effects of wild and farm-grown macroalgae on the growth of juvenile South African abalone Haliotis midae Linnaeus
Robertson-Andersson, Deborah; Maneveldt, Gavin; Naidoo, Krishni (Taylor and Francis, 2011)The effect of various macroalgal diets on the growth of grow-out (> 20 mm shell length) South African abalone Haliotis midae was investigated on a commercial abalone farm. The experiment consisted of four treatments: fresh ... -
Rapid assessment of tissue nitrogen in cultivated Gracilaria gracilis (Rhodophyta) and Ulva lactuca (Chlorophyta)
Robertson-Andersson, Deborah; Wilson, D.T.; Bolton, John J.; Anderson, Robert J.; Maneveldt, Gavin (NISC, 2009)Tissue nitrogen content and thallus colour were quantified using a rapid assessment method based on the Pantone® matt uncoated formula guide for raft-cultivated Gracilaria gracilis Steentoft Irvine et Farnham at Saldanha ... -
South African seaweed aquaculture: A sustainable development example for other African coastal countries
Amosu, Albert O.; Robertson-Andersson, Deborah; Maneveldt, Gavin; Anderson, Robert J.; Bolton, John J. (Academic Journals, 2013)The green seaweed Ulva is one of South Africa's most important aquaculture products, constituting an important feed source particularly for abalone (Haliotis midae L.), and utilized as a bioremediation tool and other ...