Search Results - "Groeneveld, JC"

Smooth fan lobster Ibacus novemdentatus in the southwestern Indian Ocean: an overlooked fisheries resource? by Groeneveld, JC, Zacarias, LD, Singh, SP

“…Bottom-trawl data collected by the RV Dr Fridtjof Nansen off Mozambique (in 1990, 2007 and 2018) and off eastern South Africa (in 2018) were analysed to…”
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Effect of rotational harvesting on the size composition of Cape rock oysters Striostrea margaritacea on the east coast of South Africa by Steyn, E, Groeneveld, JC, Santos, J

“…A commercial fishery for the Cape rock oyster Striostrea margaritacea along the north coast of KwaZulu-Natal, South Africa (western Indian Ocean), follows a…”
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Metabarcoding of marine zooplankton in South Africa by Singh, SP, Groeneveld, JC, Huggett, J, Naidoo, D, Cedras, R, Willows-Munro, S

“…Metabarcoding is an emerging method in which DNA barcoding is combined with next-generation sequencing to determine the biodiversity of taxonomically complex…”
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Long-distance migration of South African deep-water rock lobster Palinurus gilchristi by GROENEVELD, Johan C, BRANCH, George M

“…Long-term movement patterns of deep-water rock lobster Palinurus gilchristi were investigated off the south coast of South Africa using tag recapture data…”
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Metabarcoding of zooplankton confirms southwards dispersal of decapod crustacean species in the western Indian Ocean by Govender, A, Groeneveld, JC, Singh, SP, Willows-Munro, S

“…Metabarcoding to determine marine zooplankton species composition is a fast-developing method, yet to be fully standardised. DNA barcode reference libraries…”
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Trends in mussel cover, density and size at exploited and unexploited intertidal reefs in eastern South Africa by Steyn, E, Groeneveld, JC, Santos, J, Mselegu, XI

“…The brown mussel Perna perna is the dominant indigenous mussel along the east coast of South Africa, where it is harvested by recreational and subsistence…”
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Advection-diffusion models of spiny lobster Palinurus gilchristi migrations for use in spatial fisheries management by Santos, Jorge, Rouillard, Denis, Groeneveld, Johan C.

“…Advection-diffusion models were constructed to simulate migration patterns of juvenile and adult spiny lobsters off southern South Africa. Models based on…”
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Comparative genetic structure in two high-dispersal prawn species from the south-west Indian Ocean by Mkare, TK, Groeneveld, JC, Teske, PR, Matthee, CA

“…The penaeid prawns Fenneropenaeus indicus and Metapenaeus monoceros support shallow-water prawn fisheries in the south-west Indian Ocean. They are sympatric…”
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Mitochondrial DNA variation in spiny lobster Palinurus delagoae suggests genetically structured populations in the southwestern Indian Ocean by GOPAL, K, TOLLEY, K. A, GROENEVELD, J. C, MATTHEE, C. A

“…The spiny lobster Palinurus delagoae inhabits the deep shelf waters and oceanic ridges of the southwestern Indian Ocean, where it supports commercial…”
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Mitochondrial DNA panmixia in spiny lobster Palinurus gilchristi suggests a population expansion by TOLLEY, K. A, GROENEVELD, J. C, GOPAL, K, MATTHEE, C. A

“…The spiny lobster Palinurus gilchristi is endemic to the deep shelf waters along the southern coast of South Africa, where it supports a commercial fishery…”
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From biomass mining to sustainable fishing - using abundance and size to define a spatial management framework for deep-water lobster by Groeneveld, JC, Kirkman, SP, Boucher, M, Yemane, D

“…Based on the assumption that depleted stocks would have recovered during a six-year layoff from fishing, trapping for deep-water spiny lobster Palinurus…”
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Patterns in abundance, population structure and biology of knife prawn Haliporoides triarthrus on deep-water trawl grounds off eastern South Africa by Robey, J, Fennessy, ST, Everett, BI, Santos, J, Groeneveld, JC

“…The deep-water trawl fishery along the KwaZulu-Natal coast of South Africa targets several crustacean species, with the knife (or pink) prawn Haliporoides…”
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Long-distance migration of the rock lobster Palinurus delagoae off South Africa and Mo&#231ambique by Groeneveld, JC

“…Long-distance migration patterns of deep-water rock lobster Palinurus delagoae were investigated using tagrecapture data obtained over a period of 6 years…”
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Long current to nowhere? - Genetic connectivity of Jasus tristani populations in the southern Atlantic Ocean by von der Heyden, S, Groeneveld, JC, Matthee, CA

“…The commercially exploited spiny lobster Jasus tristani has a disjunct distribution in the southern Atlantic Ocean, with populations occurring at the Tristan…”
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The effects of appendage loss on growth of South African west coast rock lobster Jasus lalandii by Brouwer, Stephen L., Groeneveld, Johan C., Blows, Bradley

“…Capture by traps, sorting by fishers and discard of lobsters smaller than a minimum legal size (MLS) may induce physical injuries, such as loss of appendages,…”
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Fecundity of spiny lobster Palinurus gilchristi (Decapoda: Palinuridae) off South Africa by Groeneveld, JC

“…Fecundity of spiny lobster Palinurus gilchristi was investigated on traditional lobster fishing grounds on the Agulhas Bank, from Mossel Bay to Algoa Bay, and…”
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Under-reporting of Catches of South Coast Rock Lobster Palinurus Gilchristi, with Implications for the Assessment and Management of the Fishery by Groeneveld, J. C.

“…Under-reporting of fishery catches can severely affect the precision of stock assessment estimates, which require accurate information on catch and catch rate…”
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The life history of the giant octopus Octopus magnificus in South African waters by Smith, CD, Groeneveld, JC, Maharaj, G

“…Octopus magnificus is a regular bycatch of traps set for spiny lobsters and bottom trawls for Cape hakes Merluccius spp. on the continental shelf of South…”
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Stock assessment, ecology and economics as criteria for choosing between trap and trawl fisheries for spiny lobster Palinurus delagoae by Groeneveld, Johan C

“…Biological information collected during a 4-year experimental trap-fishery for Palinurus delagoae off South Africa was used to estimate growth rates, size at…”
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Size at onset of maturity of spiny lobsters Panulirus homarus homarus at Mambrui, Kenya by Kulmiye, AJ, Mavuti, KM, Groeneveld, JC

“…The size at onset of sexual maturity of the scalloped spiny lobster Panulirus homarus homarus captured off Mambrui, Kenya, was estimated from ovary condition,…”
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