Results 1 to 10 of about 290 (113)
AN ECONOMIC ANALYSIS OF RESTRUCTURING THE SOUTH AFRICAN HAKE QUOTA MARKET [PDF]
Agrekon, 1998 Hake is the most valuable fisheries species in South Africa, with an estimated landed value of R658 million in 1997. The fishery is presently managed under an individual quota system, where total allowable catch (TAC) is set annually and divided up amongst quota holders according to past performance, without quota holders having to pay for it ...
W L Nieuwoudt
exaly +4 more sources
The importance of cephalopods as prey for hake and other groundfish in South African waters [PDF]
African Journal of Marine Science, 1992 Literature on trophic relationships in the Benguela ecosystem has stressed the importance of cephalopods as prey of groundfish. The groundfish community of the shelf and upper slope of southern Africa is dominated by the Cape hakes, and the results presented (1984–1991) confirm that both species of hake are important predators of cephalopods ...
M R Lipinski
exaly +4 more sources
A review of Kudoa-induced myoliquefaction of marine fish species in South Africa and other countries
South African Journal of Science, 2013 Myoliquefaction of fish musculature results in customer quality complaints and in huge economic losses, especially with regard to Pacific hake (Merluccius productus), farm-reared Atlantic salmon (Salmo salar), South African pilchards (Sardinops ocellatus)
Suné S. Henning +2 more
doaj +1 more source
Marine biodiversity in South Africa: an evaluation of current states of knowledge.
PLoS ONE, 2010 Continental South Africa has a coastline of some 3,650 km and an Exclusive Economic Zone (EEZ) of just over 1 million km(2). Waters in the EEZ extend to a depth of 5,700 m, with more than 65% deeper than 2,000 m. Despite its status as a developing nation,
Charles L Griffiths +3 more
doaj +1 more source
Specifications of the South African Hake 2018 Reference Case Assessment
, 2021 This document is an update of FISHSERIES/2017/MAY/SWG-DEM/11, which provides the specifications for the 2017 Reference Case (RC) assessment model. Non-trivial changes made to the 2017 model and specifications have been retained in track changes to ease their identification by the reader. These changes relate to the mortality-at-age vectors used and the
Rademeyer, Rebecca A +2 more
openaire +1 more source
Candidate Management Procedures Projections for the South African hake resource
, 2023 Results for a series of target-based Candidate Management Procedures (CMPs) under the Reference Set (RS) of Operating Models for hake are compared. The aspects and options compared are: the maximum TAC decrease constraint; the period over which abundance index averages are obtained; constant future catches; a maximum cap on the TAC; and the relative ...
Rademeyer, Rebecca A, Butterworth, Doug
openaire +1 more source
Routine update of the South African Hake Reference Case Assessment
, 2021 This paper is an update of the 2016 South African hake Reference Case assessment (Rademeyer and Butterworth, 2017). The data used as input to the 2017 Reference Case (RC) update are listed in Appendix A. The new data include:1) 2016 catch by species, fleet and coast,2) 2016 inshore and offshore trawl catch-at-length for each coast and species,3) 1978 ...
Rademeyer, Rebecca A, Butterworth, Doug
openaire +2 more sources
Specifications of the South African Hake 2017 Reference Case Assessment
, 2021 Report on the "Specifications of the South African Hake 2017 Reference Case Assessment".This paper gives full algebraic specifications of the 2017 South African hake Reference Case assessment. The data used as inputs to the Reference Case are listed in Appendix A. Parameter estimates are also included. The Reference Case results are given in Appendix B.
Rademeyer, Rebecca A, Butterworth, Doug
openaire +1 more source
2013 Update of the South African Hake Reference Case Assessment
, 2013 The Reference Case assessment of the SA hake resource is updated using unchanged methodology from that used in developing the existing OMP, but with revised and updated data sets. The only change of particular note is the inclusion of new longline catch-at-length data subsequent to 2000 results in a somewhat reduced estimate of current the M. paradoxus
Rademeyer, Rebecca A, Butterworth, Doug
openaire +2 more sources
Specifications of the South African Hake 2014 Reference Case Assessment
, 2014 This paper gives specifications of the 2014 South African hake Reference Case assessment. The data used as input to the Reference Case are listed in Appendix A, while the methodology is detailed in Appendix B.
Rademeyer, Rebecca A, Butterworth, Doug
openaire +2 more sources