https://commons.ufh.ac.za/vital/access/manager/Index en-us 5 Systematic marine spatial planning and monitoring in a data poor environment: a case study of Algoa Bay, South Africa https://commons.ufh.ac.za/vital/access/manager/Repository/vital:5373 Thu 13 May 2021 04:28:03 SAST ]]> An investigation into the feeding biology and factors influencing the population dynamics of Terebrasabella heterouncinata (Polychaeta: Sabellidae), a problematic tube-dwelling polychaete in farmed abalone in South Africa https://commons.ufh.ac.za/vital/access/manager/Repository/vital:5291 0.05). Protein (p<0.0001) and energy (p<0.0.1) levels of suspended solids were significantly greater in raceways dedicated to feeding Abfeed. The infestation level (number of tubes/centimetre on the grwoing edge) was significantly higher (p<0.001) in Abfeed-fed abalone. The morphometrics of the sabellids indicated that sabellids from Abfeed-fed abalone were larger in various body measurements: length (p<0.00001); neck width (p<0.001); base width (p<0.001); and surface area (p<0.001). This study suggests that abalone diet has an important influence on the infestation level and size of sabellids and that this is likely to be due to the fragmentation and leaching of nutrients from the artificially enriched commercial abalone diet.]]> Thu 13 May 2021 02:34:35 SAST ]]>