Zobrazeno 1 - 6
of 6
pro vyhledávání: '"D. W. Japp"'
Autor:
Tracey P. Fairweather, B. Van Zyl, D. W. Japp, N. Moroff, Lynne J. Shannon, J-P Roux, Johannes A. Iitembu, C. J. Augustyn, K. Kilongo, F. Vaz Velho, K. L. Cochrane
Publikováno v:
Coastal Management. 37:235-254
This article examines the current status of management in the Benguela Current Large Marine ecosystem and the three coastal states in which it occurs: Angola, Namibia, and South Africa. The three countries have all focused on conventional approaches
Autor:
André E. Punt, D. W. Japp
Publikováno v:
South African Journal of Marine Science. 14:133-149
Relative abundance indices constructed from the catch rates of kingklip Genypterus capensis in the longline (kingklip-directed) and trawl (hake-directed) fisheries, together with biomass survey estimates of relative abundance, are used to assess the
Publikováno v:
African Journal of Marine Science; Vol 21 (1999)
Histological analysis of the ovaries and the presence of multiple modes in oocyte size frequency distribution of Cape hake Merluccius capensis and M. paradoxus indicates that they are serial spawners. Batch fecundity, calculated by means of the “hy
Autor:
A. Badenhorst, G. Nelson, R. Melville-Smith, L. V. Shannon, D. E. Pollock, R. Tarr, L. Hutchings, J. Taunton-Clark, K. L. Cochrane, A. J. Boyd, Robert J. M. Crawford, C. J. Augustyn, I. Hampton, D. W. Japp
Publikováno v:
South African Journal of Marine Science. 12:271-296
Changes that occurred in sea surface and some deeper temperatures, surface winds, currents, plankton and some dominant crustacean (rock lobster Jasus lalandii), molluscan (squid Loligo vulgaris reynaudii and abalone Haliotis midae), fish (anchovy Eng
Autor:
F. Kriel, P. A. Shelton, A. J. Penney, P. C. Goosen, D. W. Japp, B. Rose, C. A. R. Bross, C. J. Augustyn, P. A. Wickens, R. G. Krohn
Publikováno v:
South African Journal of Marine Science. 12:773-789
There are two types of interactions between seals and commercial fisheries in South Africa: biological (potential competition for shared resources between the two "predators") and operational (conflicts during fishing operations). Using data for the
Autor:
D. W. Japp
Publikováno v:
South African Journal of Marine Science. 9:223-237
A new study on age and growth of kingklip Genypterus capensis is described. Whole and sectioned otoliths were used to determine the age of kingklip and the three-parameter Von Bertalanffy model to describe and compare growth. Greater availability and