Assessment and management of Cape horse mackerel Trachurus capensis off Namibia based on a fleet-disaggregated age-structured production model

References

• Bartholomae , C H and Van Der Plas , A . 2007 . Towards the development of environmental indices for the Namibian shelf, with particular reference to fisheries management . African Journal of Marine Science , 29 : 25 – 35 .
   Web of Science ®Google Scholar
• Bauleth-D’Almeida , G , Krakstad , J-O and Kanandjembo , A . 2001 . “ Comparison of horse mackerel length frequencies obtained from research vessels and commercial midwater trawlers: implications for biomass estimation ” . In A decade of Namibian fisheries science. South African Journal of Marine Science Edited by: Payne , A IL , Pillar , S C and Crawford , R JM . Vol. 23 , 265 – 274 .
   Google Scholar
• BENEFIT . 2003 . Report of the third horse mackerel otolith reading workshop. NatMIRC, Swakopmund, Namibia, 10–28 March 2003 , Swakopmund : BENEFIT Secretariat .
   Google Scholar
• Beverton , R JH and Holt , S J . 1957 . “ Mathematical representation of the four primary factors ” . In On the dynamics of exploited fish populations. Fisheries Investigations, Series 2 , Edited by: Beverton , R JH and Holt , S J . Vol. 19 , 27 – 35 . London : UK Ministry of Agriculture and Fisheries .
   Google Scholar
• Boyer , D C , Boyer , H J , Fossen , I and Kreiner , A . 2001 . “ Changes in abundance of the northern Benguela sardine stock during the decade 1990–2000, with comments on the relative importance of fishing and environment ” . In A decade of Namibian fisheries science. South African Journal of Marine Science Edited by: Payne , A IL , Pillar , S C and Crawford , R JM . Vol. 23 , 67 – 84 .
   Google Scholar
• Boyer , D C , D’Almeida , G , Kanandjembo , A , Oechslin , G , Fossen , I , Thorisson , K , Hashoongo , V , Namwandi , T M and Asino , H . 1999 . Horse mackerel and pre-recruit survey of the northern Benguela (17–25°S) 6–28 February 1999. RV Welwitchia Cruise Report , Swakopmund : Ministry of Fisheries and Marine Resources, Namibia .
   Google Scholar
• Boyer , D C and Hampton , I . 2001 . “ An overview of the living marine resources of Namibia ” . In A decade of Namibian fisheries science. South African Journal of Marine Science Edited by: Payne , A IL , Pillar , S C and Crawford , R JM . Vol. 23 , 5 – 35 .
   Google Scholar
• Burnham , K P and Anderson , D R . 2002 . Model selection and multimodel inference: a practical information-theoretic approach , New York : Springer .
   Google Scholar
• Butterworth , D S , Hughes , G and Strumpfer , F . 1990 . VPA with ad hoc tuning: implementation for disaggregated fleet data, variance estimation, and application to the Namibian stock of Cape horse mackerel Trachurus trachurus capensis . South African Journal of Marine Science , 9 : 327 – 357 .
   Google Scholar
• Clark , WG. 1981 . Restricted least-squares estimates of age composition from length composition . Canadian Journal of Fisheries and Aquatic Sciences , 38 : 297 – 307 .
   Web of Science ®Google Scholar
• Crawford , R JM , Shannon , L V and Pollock , D E . 1987 . The Benguela ecosystem. 4. The major fish and invertebrate resources . Oceanography and Marine Biology: an Annual Review , 25 : 353 – 505 .
   Web of Science ®Google Scholar
• De Oliveira , J AA , Boyer , H J and Kirchner , C H . 2007 . Developing age-structured production models as a basis for management procedure evaluations for Namibian sardine . Fisheries Research , 85 : 148 – 158 .
   Web of Science ®Google Scholar
• Draganik , B and Sacks , R . 1987 . Stock assessment of Cape horse mackerel (Trachurus t. capensis) in the Convention Area. Divisions 1.3 + 1.4 + 1.5 . Collection of Scientific Papers International Commission for the Southeast Atlantic Fisheries , 13 : 1 – 10 .
   Google Scholar
• Draganik , B and Sacks , R . 1988 . Catch in number calculations for the Cape horse mackerel fishery in Divisions 1.3–1.5 and resulting stock size estimates . Collection of Scientific Papers International Commission for the Southeast Atlantic Fisheries , 23 : 1 – 22 .
   Google Scholar
• Draganik , B and Sacks , R . 1991 . An attempt to rearrange available calendar-year biostatistics on the Cape horse mackerel stock off Namibia on a reproductive-cycle basis, and the VPA results . South African Journal of Marine Science , 11 : 153 – 168 .
   Web of Science ®Google Scholar
• Field , J G , Moloney , C L , du Buisson , L , Jarre , A , Strömme , T , Lipiński , M R and Kainge , P . 2008 . “ Exploring the BOFFFF hypothesis using a model of southern African deepwater hake (Merluccius paradoxus) ” . In Fisheries for global welfare and environment, 5th World Fisheries Congress , Edited by: Tsukamoto , K , Kawamura , T , Takeuchi , T , Beard , T D and Kaiser , M J . 17 – 26 . Tokyo : TERRAPUB .
   Google Scholar
• Kirchner , C H , Bartholomae , C H and Kreiner , A . 2009 . Use of environmental parameters to explain the variability recruitment–spawner relationships of Namibian sardine (Sardinops sagax) . African Journal of Marine Science , 31 : 157 – 170 .
   Web of Science ®Google Scholar
• Mecenero , S and Roux , J-P . 2006 . Diet of Cape fur seals Arctocephalus pusillus pusillus at three mainland breeding colonies in Namibia. 2. Temporal variation . African Journal of Marine Science , 28 : 73 – 88 .
   Web of Science ®Google Scholar
• Mecenero , S , Underhill , L G , Krakstad , J-O , Kirkman , S P and Roux , J-P . 2007 . Overlap in utilization of juvenile Cape horse mackerel by Cape fur seals and the purse-seine fishery in Namibia . South African Journal of Wildlife Research , 37 : 17 – 29 .
   Web of Science ®Google Scholar
• Rademeyer , RA. 2003 . Assessment of and management procedures for the hake stocks off southern Africa. MSc thesis , South Africa : University of Cape Town .
   Google Scholar
• Rademeyer , R A , Butterworth , D S and Plangányi , E E . 2008 . Assessment of South African hake resource taking its two-species nature into account . African Journal of Marine Science , 30 : 263 – 290 .
   Web of Science ®Google Scholar
• Vaske , B , Babayan , V , Kolarov , P , Prodanov , K and Wysokiński , A . 1988 . Stock assessment and catch projections for Cape horse mackerel in ICSEAF Divisions 1.3 + 1.4 + 1.5 . Collection of Scientific Papers International Commission for the Southeast Atlantic Fisheries , 15 : 271 – 281 .
   Google Scholar
• Wysokiński , A. 1984 . Length structure of the Cape horse mackerel population and changes in the sexual maturity length in the Namibian region . Collection of Scientific Papers International Commission for the Southeast Atlantic Fisheries , 11 : 91 – 98 .
   Google Scholar