Search Results - "African journal of marine science"

Occurrence and ingestion of microplastics by zooplankton in Kenya's marine environment: first documented evidence by Kosore, C, Ojwang, L, Maghanga, J, Kamau, J, Kimeli, A, Omukoto, J, Ngisiag'e, N, Mwaluma, J, Ong'ada, H, Magori, C, Ndirui, E

“…Microplastics can be ingested by marine organisms and may lead to negative impacts at the base of marine food chains. This study investigated the occurrence…”
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Evaluating the evidence for ecological effectiveness of South Africa's marine protected areas by Kirkman, SP, Mann, BQ, Sink, KJ, Adams, R, Livingstone, T-C, Mann-Lang, JB, Pfaff, MC, Samaai, T, van der Bank, MG, Williams, L, Branch, GM

“…We reviewed 140 papers to assess the ecological effectiveness of South Africa's marine protected areas (MPAs). Evidence was assessed for coverage and…”
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Fear at the top: killer whale predation drives white shark absence at South Africa's largest aggregation site by Towner, AV, Watson, RGA, Kock, AA, Papastamatiou, Y, Sturup, M, Gennari, E, Baker, K, Booth, T, Dicken, M, Chivell, W, Elwen, S, Kaschke, T, Edwards, D, Smale, MJ

“…Risk-induced fear effects exerted by top predators are pervasive in terrestrial and marine systems, with lasting impacts on ecosystem structure and function…”
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Plastic ingestion by estuarine mullet Mugil cephalus (Mugilidae) in an urban harbour, KwaZulu-Natal, South Africa by Naidoo, T, Smit, AJ, Glassom, D

“…Coastal urban environments have high plastic pollution levels, and hence interactions between plastic debris and marine life are frequent. We report on plastic…”
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Revisiting 'A monograph on the Polychaeta of southern Africa': establishing taxonomic research priorities in southern Africa by Simon, CA, Kara, J, Clarke, DT, Sedick, S

“…Originally published in 1967, John H Day's work 'A monograph on the Polychaeta of southern Africa' is still used widely to identify polychaetes. However,…”
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Further insights into killer whales Orcinus orca preying on white sharks Carcharodon carcharias in South Africa by Towner, A, Micarelli, P, Hurwitz, D, Smale, MJ, Booth, AJ, Stopforth, C, Jacobs, E, Reinero, FR, Ricci, V, Di Bari, A, Gavazzi, S, Carugno, G, Mahrer, M, Gennari, E

“…Photography and video footage, captured by researchers and tourists on board two vessels, provided insights into the predation techniques employed by an adult…”
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Social and economic effects of marine protected areas in South Africa, with recommendations for future assessments by Mann-Lang, JB, Branch, GM, Mann, BQ, Sink, KJ, Kirkman, SP, Adams, R

“…Research on the socio-economic aspects of marine protected areas (MPAs) in South Africa is reviewed to guide evaluation and integration. After a brief…”
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The road towards effective governance and management of marine protected areas in South Africa: evolving policies, paradigms and processes by Kirkman, SP, Kowalski, P, Mann, BQ, Branch, GM, van der Bank, MG, Sink, KJ, Fielding, P, Mann-Lang, JB, Pfaff, MC, Kotsedi, D, Adams, R, Dlulisa, S, Petersen, SL

“…The efficacy of marine protected areas (MPAs) depends on their governance and management. We review their history in South Africa and recognise four periods…”
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Migratory movement of photo-identified humpback whales Megaptera novaeangliae along the southeastern coast of Africa by Tree, B, Olbers, J, Seyboth, E, Seakamela, SM, Cockcroft, VG, Vermeulen, E, Findlay, KP

“…The global conservation of humpback whales Megaptera novaeangliae relies on continuous assessments of the populations' post-whaling status, which in turn…”
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Contrast in larval sensitivity to low pH in sea urchins from neighbouring seagrass meadows at Inhaca Island, Mozambique by Duvane, JA, Cossa, D, de Abreu, DC, Mafambissa, M, Scarlet, MP, Macia, A, Dupont, S

“…Ocean acidification presents a major threat to marine life, and a large body of evidence has documented its negative effects on various marine species and…”
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Future of the IUCN Endangered white steenbras Lithognathus lithognathus (Sparidae) - a tale of two estuaries by Whitfield, AK, Smith, MKS

“…This review draws on a long history of ichthyological and fisheries research to examine the changing stock status of the estuary-dependent white steenbras…”
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To move or not? Tourists' perceptions and management considerations of a beached whale carcass in a South African national park and marine protected area by Smith, MKS, Penry, GS, Mokhatla, MM

“…The handling of beached cetacean carcasses requires social, legal, financial, ecological and logistical considerations. However, limited research on the topic…”
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Local knowledge, utilisation and consumption of seaweed in coastal communities of southwestern Madagascar by Rodine, C, Rakotoarimanana, A, Ramamonjisoa, AB, Ranivoarivelo, LN, Rakotomahazo, C, Todinanahary, GBG, Tsiresy, G, Jaonalison, H, Nomenisoa, AL, Eeckhaut, I, Remanevy, ME, Obe, JS, Rasolofonirina, R, Lavitra, T

“…This study explored the local knowledge, utilisation and consumption of seaweeds (lomotsy in Malagasy) among coastal communities in southwestern Madagascar…”
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Partitioning the sources of sediment organic carbon in South African seagrass meadows by Bossert, A, von der Heyden, S, Colling, J, Ndhlovu, A

“…In the sediments of seagrass meadows, allochthonous carbon sources can account for 50-90% of sediment organic carbon (SOC), in which non-seagrass carbon is…”
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Genetic consequences in the southern African endemic seabream Polysteganus undulosus (Sparidae) after eight decades of overfishing by Oosthuizen, CJ, Mann, BQ, Bloomer, P, Hoareau, TB

“…The Critically Endangered seventy-four seabream Polysteganus undulosus, a slow-growing sparid that forms spawning aggregations off South Africa, faced heavy…”
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Predation on the St Joseph Callorhinchus capensis by Cape fur seals Arctocephalus pusillus pusillus in Namibia by Leeney, RH, Dreyer, N

“…Chondrichthyans form an important part of marine food webs as top predators and mesopredators. However, little is known about chondrichthyans in Namibian…”
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Winter storms: a potential threat to African oystercatchers Haematopus moquini by Underhill, LG

“…Substantial effort has gone into identifying threats to the African oystercatcher Haematopus moquini, a species of seabird native to the mainland coasts and…”
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Multi-method approach identifies a South African estuary as an important elasmobranch habitat and potential nursery ground by Elston, C, Murray, TS

“…Elasmobranchs play important ecological roles but are highly threatened. Understanding their habitat use and abundance is crucial for the management and…”
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Coastal topography and rates of mussel recruitment: a comparison of bay versus open-coast sites by McQuaid, CD, Buresch, M

“…The recruitment of intertidal benthic organisms that have planktonic larvae is influenced by hydrodynamics at multiple nested spatial scales, ranging from tens…”
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Movement and growth of the spotted gully shark Triakis megalopterus in South African waters by Mann, BQ, Jordaan, GL, Dalton, WN, Daly, R, Soekoe, M, Potts, WM, Smale, MJ, Swart, L

“…The movement and growth of spotted gully sharks Triakis megalopterus (family Triakidae) along the coast of South Africa were investigated using external dart…”
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