The biology of South African Bryde's whales [PDF]
, 2010 The biology of South African Bryde’s whales (Balaenoptera brydei/edeni), with a focus on the inshore form, was investigated through estimates of abundance and survival rate, seasonality of occurrence and variation in mitochondrial and nuclear DNA ...
Penry, Gwenith S.
core
The application of a management procedure to regulate the directed and bycatch fishery of South African sardine sardinops sagax [PDF]
, 2011 The South African sardine Sardinops sagax resource is subjected to both directed fishing that targets adult fish, and bycatch of both juvenile and adult fish taken in the directed fisheries for anchovy Engraulis capensisand round herring Etrumeus ...
Brown, JP +4 more
core +1 more source
Assessment of the South African sardine resource using data from 1984-2011: results for a two stock hypothesis at the posterior mode [PDF]
, 2016 As part of the process of updating the assessment of the South African sardine resource, a model of a sardine two mixing-stock hypothesis has been developed.
Butterworth, Doug S, De Moor, Carryn L
core +1 more source
Assessment of the South African sardine resource using data from 1984-2011: further results for a two stock hypothesis [PDF]
, 2016 As part of the process of updating the assessment of the South African sardine resource, a model of the sardine two mixing-stock hypothesis is being developed. This hypothesis postulates a “west” stock distributed west of Cape Agulhas and a “south” stock
Butterworth, Doug S, De Moor, Carryn L
core +1 more source
Updated assessment of the South African sardine resource using data from 1984‐2023
A quantitative assessment of the South African sardine resource has been updated to include data from 1984 to 2023, based on the previous stock structure hypothesis which assumes two components (‘west’ and ‘south’), separated at Cape Agulhas, but with some mixing. This model assumes no stock recruitment relationship during conditioning.
openaire +2 more sources
Factors that influence Cape fur seal predation on Cape gannets at Lambert's Bay, South Africa. [PDF]
PeerJ, 2022 Strydom Z +5 more
europepmc +1 more source
The data used in the 2019 sardine assessment. [PDF]
, 2019 Data to which the 2019 assessment of the South African sardine resource is to be conditioned are ...
Merkle, Dagmar +3 more
core +1 more source
A 2-stock hypothesis for South African sardine: two discrete stocks [PDF]
, 2016 A 2-stock, 2-area hypothesis for the South African sardine resource is being developed, with the following boundaries: i) A “western” stock distributed throughout the “western area”, defined as the area west of Cape Agulhas ii) An “eastern” stock ...
Butterworth, Doug S, de Moor, Carryn L
core
Geographical, temporal, and individual-based differences in the trophic ecology of female Cape fur seals. [PDF]
Ecol Evol, 2023 Botha JA +8 more
europepmc +1 more source
Assessment of the South African sardine resource using data from 1984-2011, with some results for a single stock hypothesis [PDF]
, 2016 Although the base case operating model for the South African sardine resource was updated from the last assessment (Cunningham and Butterworth 2007) to take account of new data collected between 2007 and 2010 (de Moor and Butterworth 2011a), the ...
Butterworth, Doug S, De Moor, Carryn L
core