A 2-stock hypothesis for South African sardine: two discrete stocks

 

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dc.contributor.author de Moor, Carryn L
dc.contributor.author Butterworth, Doug
dc.date.accessioned 2016-04-08T12:52:56Z
dc.date.available 2016-04-08T12:52:56Z
dc.date.issued 2009
dc.identifier.citation de Moor, C. L., & Butterworth, D. S. (2009). A 2-stock hypothesis for South African sardine: two discrete stocks. MARAM: University of Cape Town. en_ZA
dc.identifier.uri http://hdl.handle.net/11427/18730
dc.description.abstract 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 distributed throughout the “eastern area”, defined as the area east of Cape Agulhas As previously discussed (de Moor 2009) two separate scenarios are to be considered for this 2-stock hypothesis: i) No mixing between these stocks. ii) Movement of 1-year-olds from the “western” stock to the “eastern” stock and movement of 2+-year-olds from the “eastern” stock to the “western” stock. Recruitment to the “western” stock will be dependent on the SSB of both the “western” and “eastern” stocks. Recruitment to the “eastern” stock will be dependent on the SSB of the “eastern” stock only. This document gives the results of fitting the assessment model to data under the first of these scenarios: two discrete “western” and “eastern” stocks of the South African sardine resource.
dc.language eng en_ZA
dc.title A 2-stock hypothesis for South African sardine: two discrete stocks
dc.type Working Paper en_ZA
dc.date.updated 2016-04-08T12:52:07Z
uct.type.publication Research en_ZA
uct.type.resource Research paper en_ZA
dc.publisher.institution University of Cape Town
dc.publisher.faculty Faculty of Science en_ZA
dc.publisher.department Marine Resource Assessment and Management Group en_ZA
uct.type.filetype Text
uct.type.filetype Image


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