Results of trials of candidate OMPs for the South African hake resource [PDF]
, 2016 The anticipated performance, in terms of catch and risk of resource depletion, of two candidate OMPs for the South African hake resources (each with three different resource recovery tunings) is evaluated. Both OMPs are empirically-based, given that this
Butterworth, Doug S +1 more
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Aquaculture, Fish and Fisheries, Volume 5, Issue 4, August 2025.ABSTRACT Given the rich marine biodiversity in African waters, IUU fishing continues to be a persistent problem throughout these regions. While existing studies have sought to deepen our understanding of this problem, data are still limited in developing countries.
Charlene Bwiza Simataa +2 more
wiley +1 more source
Redressing the Past: A Critical Legal Assessment of """"quota"""" allocations in post-apartheid South Africa under the Marine Living Resources Act 18 of 1998 in the hake deep-sea trawl and West Coast rock lobster near-shore sectors [PDF]
, 2014 The South African government faces numerous challenges in redistributing resources and ensuring access to those resources by historically disadvantaged individuals. This is particularly relevant in the fishing industry where people have been dependant on
Daniels, Gregory
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Using Stable Isotopes to Assign Origin of White‐Chinned Petrels Killed by Longline Fisheries
Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 35, Issue 7, July 2025.ABSTRACT Incidental capture (bycatch) of seabirds in longline and trawl fisheries is one of the main threats to many albatrosses and large petrels. The White‐chinned Petrel (Procellaria aequinoctialis) has a circumpolar distribution and is the seabird species killed most frequently by fisheries in the Southern Ocean.
Viviane Barquete +6 more
wiley +1 more source
Development of a new baseline assessment for the South African hake resource, incorporating catch-at-length information [PDF]
, 2016 Results are presented for a proposed new baseline assessment for the South African hake resource, incorporating catchat-length (CAL) information in the fit of the model.
Butterworth, Doug S +1 more
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Migration and stopover use by GPS‐tracked adult Ospreys (Pandion haliaetus) from Germany
Ibis, Volume 167, Issue 3, Page 646-659, July 2025.The ability to meet the high energetic costs of long‐distance migration can be a key factor in the survival of individual birds. The use of stopovers, where individuals pause to rest and feed, is a common strategy in many migratory bird species. In this study, we explore migration timing of 28 satellite‐tracked (17 GPS and 11 Argos) adult migratory ...
Bernd‐Ulrich Meyburg, Daniel Holte
wiley +1 more source
Specifications of the South African hake 2019 Reference Case assessment [PDF]
, 2019 This document provides the detailed and comprehensive specifications for the 2019 Reference Case assessment model for the South African hake resource, including the algebraic specifications for the assessment model, tables listing the input data and key ...
Butterworth, Doug S +2 more
core +1 more source
Land Degradation &Development, Volume 36, Issue 10, Page 3257-3278, June 2025.ABSTRACT As urbanization accelerates, cities face increasingly significant ecological challenges essential for sustainability. One of the primary manifestations of these challenges is the imbalance between food, water, and energy resources, often resulting in the irrational use of land.
Ke Yang +3 more
wiley +1 more source
AN ECONOMIC ANALYSIS OF RESTRUCTURING THE SOUTH AFRICAN HAKE QUOTA MARKET [PDF]
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 ...
Strydom, M.B., Nieuwoudt, W. Lieb
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2008 routine update of the South African hake resource baseline assessment [PDF]
, 2016 This paper presents a routine update of the South African hake assessment, including new commercial (catches and CPUE) and survey (abundance estimates) data.
Butterworth, Doug S +1 more
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