African Journal of Marine Science, Volume 23, Issue 1 (2001)

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South African Journal of Marine Science, Volume 23, Issue 1 (2001)

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Editorials

Editorial
An Introduction by the Honourable Minister of Fisheries and Marine Resources of Namibia, Dr Abraham Iyambo
Pages: 1-4
Published online: 08 Apr 2010
First Page PreviewforAn Introduction by the Honourable Minister of Fisheries and Marine Resources of Namibia, Dr Abraham Iyambo | PDF (54.3 KB)
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Original Articles

Article
An overview of the living marine resources of Namibia
D. C. Boyer & I. Hampton
Pages: 5-35
Published online: 08 Apr 2010
AbstractforAn overview of the living marine resources of Namibia | PDF (329.6 KB)
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Article
Identification and classification of vertical chlorophyll patterns in the Benguela upwelling system and Angola-Benguela front using an artificial neural network
N. F. Silulwane, A. J. Richardson, F. A. Shillington & B. A. Mitchell-Innes
Pages: 37-51
Published online: 08 Apr 2010
AbstractforIdentification and classification of vertical chlorophyll patterns in the Benguela upwelling system and Angola-Benguela front using an artificial neural network | PDF (559 KB)
  • 381 Views
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Article
Reproduction and recruitment patterns of the surf clam Donax serra (Bivalvia, Donacidae) on two Namibian sandy beaches
J. Laudien, T. Brey & W. E. Arntz
Pages: 53-60
Published online: 08 Apr 2010
AbstractforReproduction and recruitment patterns of the surf clam Donax serra (Bivalvia, Donacidae) on two Namibian sandy beaches | PDF (169.4 KB)
  • 394 Views
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Article
The impact of emigration on population estimates of deep-sea red crab Chaceon maritae off Namibia
L. Le Roux
Pages: 61-66
Published online: 08 Apr 2010
AbstractforThe impact of emigration on population estimates of deep-sea red crab Chaceon maritae off Namibia | PDF (70 KB)
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Article
Changes in abundance of the northern Benguela sardine stock during the decade 1990–2000, with comments on the relative importance of fishing and the environment
D. C. Boyer, H. J. Boyer, I. Fossen & A. Kreiner
Pages: 67-84
Published online: 08 Apr 2010
AbstractforChanges in abundance of the northern Benguela sardine stock during the decade 1990–2000, with comments on the relative importance of fishing and the environment | PDF (184.7 KB)
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Article
Influence of buoyancy and vertical distribution of sardine Sardinops sagax eggs and larvae on their transport in the northern Benguela ecosystem
E. K. Stenevik, S. Sundby & R. Cloete
Pages: 85-97
Published online: 08 Apr 2010
AbstractforInfluence of buoyancy and vertical distribution of sardine Sardinops sagax eggs and larvae on their transport in the northern Benguela ecosystem | PDF (160.4 KB)
  • 260 Views
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Article
Variable spatial structure of schooling pelagic fish off Namibia: implications for acoustic surveys
J. C. Coetzee, O. A. Misund & G. Oechslin
Pages: 99-109
Published online: 08 Apr 2010
AbstractforVariable spatial structure of schooling pelagic fish off Namibia: implications for acoustic surveys | PDF (255.6 KB)
  • 120 Views
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Article
Changes in some key biological parameters of the northern Benguela sardine stock
I. Fossen, D. C. Boyer & H. Plarre
Pages: 111-121
Published online: 08 Apr 2010
AbstractforChanges in some key biological parameters of the northern Benguela sardine stock | PDF (131.7 KB)
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Article
A comparison of condition factor and gonadosomatic index of sardine Sardinops sagax stocks in the northern and southern Benguela upwelling ecosystems, 1984–1999
A. Kreiner, C. D. van der Lingen & P. Fréon
Pages: 123-134
Published online: 08 Apr 2010
AbstractforA comparison of condition factor and gonadosomatic index of sardine Sardinops sagax stocks in the northern and southern Benguela upwelling ecosystems, 1984–1999 | PDF (120.4 KB)
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Article
Observations on the linefish resources of Namibia, 1990?2000, with special reference to West Coast steenbras and silver kob
J. A. Holtzhausen, C. H. Kirchner & S. F. Voges
Pages: 135-144
Published online: 08 Apr 2010
AbstractforObservations on the linefish resources of Namibia, 1990?2000, with special reference to West Coast steenbras and silver kob | PDF (101 KB)
  • 414 Views
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Article
Economic characteristics of demand in Namibia's marine recreational shore fishery
F. Zeybrandt & J. I. Barnes
Pages: 145-156
Published online: 08 Apr 2010
AbstractforEconomic characteristics of demand in Namibia's marine recreational shore fishery | PDF (119.6 KB)
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Article
An assessment of the current status and potential yield of Namibia's northern West Coast steenbras Lithognathus aureti population
J. A. Holtzhausen & C. H. Kirchner
Pages: 157-168
Published online: 08 Apr 2010
AbstractforAn assessment of the current status and potential yield of Namibia's northern West Coast steenbras Lithognathus aureti population | PDF (124.4 KB)
  • 189 Views
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Article
Age and growth of two populations of West Coast steenbras Lithognathus aureti in Namibian waters, based on otolith readings and mark-recapture data
J. A. Holtzhausen & C. H. Kirchner
Pages: 169-179
Published online: 08 Apr 2010
AbstractforAge and growth of two populations of West Coast steenbras Lithognathus aureti in Namibian waters, based on otolith readings and mark-recapture data | PDF (501.9 KB)
  • 721 Views
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Article
A review of orange roughy Hoplostethus atlanticus fisheries, estimation methods, biology and stock structure
T. A. Branch
Pages: 181-203
Published online: 08 Apr 2010
AbstractforA review of orange roughy Hoplostethus atlanticus fisheries, estimation methods, biology and stock structure | PDF (2 MB)
  • 2020 Views
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Article
The orange roughy fishery of Namibia: lessons to be learned about managing a developing fishery
D. C. Boyer, C. H. Kirchner, M. K. McAllister, A. Staby & B. I. Staalesen
Pages: 205-221
Published online: 08 Apr 2010
AbstractforThe orange roughy fishery of Namibia: lessons to be learned about managing a developing fishery | PDF (152.2 KB)
  • 722 Views
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Article
Development of acoustic techniques for assessment of orange roughy Hoplostethus atlanticus biomass off Namibia, and of methods for correcting for bias
D. C. Boyer & I. Hampton
Pages: 223-240
Published online: 08 Apr 2010
AbstractforDevelopment of acoustic techniques for assessment of orange roughy Hoplostethus atlanticus biomass off Namibia, and of methods for correcting for bias | PDF (192.4 KB)
  • 158 Views
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Article
Development of Bayesian stock assessment methods for Namibian orange roughy Hoplostethus atlanticus
M. K. McAllister & C. H. Kirchner
Pages: 241-264
Published online: 08 Apr 2010
AbstractforDevelopment of Bayesian stock assessment methods for Namibian orange roughy Hoplostethus atlanticus | PDF (259.5 KB)
  • 441 Views
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Article
Comparison of horse mackerel length frequencies obtained from research vessels and commercial midwater trawlers: implications for biomass estimation
G. Bauleth-D'Almeida, J-O. Krakstad & A. Kanandjembo
Pages: 265-274
Published online: 08 Apr 2010
AbstractforComparison of horse mackerel length frequencies obtained from research vessels and commercial midwater trawlers: implications for biomass estimation | PDF (107.8 KB)
  • 648 Views
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Article
Assessment of the monkfish Lophius vomerinus resource off Namibia
L. Maartens & A. J. Booth
Pages: 275-290
Published online: 08 Apr 2010
AbstractforAssessment of the monkfish Lophius vomerinus resource off Namibia | PDF (149.8 KB)
  • 408 Views
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Article
Quantifying commercial catch and effort of monkfish Lophius vomerinus and L. vaillanti off Namibia
L. Maartens & A. J. Booth
Pages: 291-306
Published online: 08 Apr 2010
AbstractforQuantifying commercial catch and effort of monkfish Lophius vomerinus and L. vaillanti off Namibia | PDF (217.7 KB)
  • 426 Views
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Article
A decade of exploitation and management of the Namibian hake stocks
A. van der Westhuizen
Pages: 307-315
Published online: 08 Apr 2010
AbstractforA decade of exploitation and management of the Namibian hake stocks | PDF (113.7 KB)
  • 789 Views
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Article
Interaction between Cape hake spawning and the circulation in the northern Benguela upwelling ecosystem
S. Sundby, A. J. Boyd, L. Hutchings, M. J. O'Toole, K. Thorisson & A. Thorsen
Pages: 317-336
Published online: 08 Apr 2010
AbstractforInteraction between Cape hake spawning and the circulation in the northern Benguela upwelling ecosystem | PDF (381.3 KB)
  • 309 Views
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Article
Dynamics of the pelagic component of Namibian hake stocks
T. Iilende, T. Strømme & E. Johnsen
Pages: 337-346
Published online: 08 Apr 2010
AbstractforDynamics of the pelagic component of Namibian hake stocks | PDF (220.8 KB)
  • 146 Views
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Article
Depth-stratified density estimates and distribution of the Cape hake Merluccius capensis and M. paradoxus off Namibia deduced from survey data, 1990–1999
L-M. Burmeister
Pages: 347-356
Published online: 08 Apr 2010
AbstractforDepth-stratified density estimates and distribution of the Cape hake Merluccius capensis and M. paradoxus off Namibia deduced from survey data, 1990–1999 | PDF (149 KB)
  • 275 Views
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Article
Evaluation of a class of possible simple interim management procedures for the Namibian hake fishery
D. S. Butterworth & H. F. Geromont
Pages: 357-374
Published online: 08 Apr 2010
AbstractforEvaluation of a class of possible simple interim management procedures for the Namibian hake fishery | PDF (155.8 KB)
  • 269 Views
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Article
Towards a catchability constant for trawl surveys of Namibian hake
I. Huse, T. Iilende & T. Strømme
Pages: 375-383
Published online: 08 Apr 2010
AbstractforTowards a catchability constant for trawl surveys of Namibian hake | PDF (84.4 KB)
  • 115 Views
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Article
Precision in systematic trawl surveys as assessed from replicate sampling by parallel trawling off Namibia
T. Strømme & T. Iilende
Pages: 385-396
Published online: 08 Apr 2010
AbstractforPrecision in systematic trawl surveys as assessed from replicate sampling by parallel trawling off Namibia | PDF (402 KB)
  • 253 Views
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Article
The structure of demersal assemblages off Namibia in relation to abiotic factors
H. Hamukuaya, G. Bianchi & D. Baird
Pages: 397-417
Published online: 08 Apr 2010
AbstractforThe structure of demersal assemblages off Namibia in relation to abiotic factors | PDF (208.7 KB)
  • 377 Views
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Article
On the dynamics of demersal fish assemblages off Namibia in the 1990s
G. Bianchi, H. Hamukuaya & O. Alvheim
Pages: 419-428
Published online: 08 Apr 2010
AbstractforOn the dynamics of demersal fish assemblages off Namibia in the 1990s | PDF (156.4 KB)
  • 132 Views
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Article
Recent population trends of African penguins Spheniscus demersus in Namibia
J. Kemper, J-P. Roux, P. A. Bartlett, Y. J. Chesselet, J. A. C. James, R. Jones, S. Wepener & F. J. Molloy
Pages: 429-434
Published online: 08 Apr 2010
AbstractforRecent population trends of African penguins Spheniscus demersus in Namibia | PDF (84.5 KB)
  • 714 Views
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Article
African penguins as predators and prey – coping (or not) with change
R. J. M. Crawford, J. H. M. David, L. J. Shannon, J. Kemper, N. T. W. Klages, J-P. Roux, L. G. Underhill, V. L. Ward, A. J. Williams & A. C. Wolfaardt
Pages: 435-447
Published online: 08 Apr 2010
AbstractforAfrican penguins as predators and prey – coping (or not) with change | PDF (168.9 KB)
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Article
Fish response to the annual flooding regime in the Kavango River along the Angola/Namibian border
C. H. Hocutt & P. N. Johnson
Pages: 449-464
Published online: 08 Apr 2010
AbstractforFish response to the annual flooding regime in the Kavango River along the Angola/Namibian border | PDF (189.2 KB)
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