Výsledky vyhledávání - "Ben C. W. van der Waal"

Rain and Copper: The Evolution of a Fish Marketing Channel in a Rapidly Changing Region of Southern Africa

Autor: Clinton J. Hay, Denis Tweddle, James Abbott, Ben C. W. van der Waal, Tor F. Næsje

Publikováno v: Journal of Southern African Studies. 41:29-45

This case study of a fish market near the border of Namibia and Zambia examines how economic and environmental changes have affected the marketing channels associated with fishery in southern Africa. We monitored the volume and origin of fish enterin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5dc6e3576e7ee5419fb9034f66911700
https://doi.org/10.1080/03057070.2015.991619

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Field observations of fish species susceptible to epizootic ulcerative syndrome in the Zambezi River basin in Sesheke District of Zambia

Autor: Ben C. W. van der Waal, Melba Reantaso, Harris Phiri, Somkiat Kanchanakhan, Rohana P. Subasinghe, Kennedy Choongo, M. Mwase, Mudenda B. Hang'ombe, Mwansa M. Songe

Publikováno v: Tropical Animal Health and Production. 44:179-183

A field investigation was conducted in the Sesheke District of Zambia along the Zambezi River to determine the fish species susceptible to epizootic ulcerative syndrome (EUS), a newly confirmed disease in Southern Africa. A total of 2,132 fishes were

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc4eda4d96606923418acdedbd6ea0cf
https://doi.org/10.1007/s11250-011-9906-1

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Hybridization and phylogeography of the Mozambique tilapia Oreochromis mossambicus in southern Africa evidenced by mitochondrial and microsatellite DNA genotyping

Autor: Maria M. Esterhuyse, Maria Eugenia D’Amato, Filip Volckaert, Ben C. W. van der Waal, D. Brink

Publikováno v: Conservation Genetics. 8:475-488

Many Oreochromis species utilized in aquaculture were extensively introduced outside their native range in Africa. Given their recent evolutionary radiation, these species hybridize easily, posing a threat to the integrity of local adaptation. The ob

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c4245f4682162c46a72f0041929b8d6
https://doi.org/10.1007/s10592-006-9186-x

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Dutch domesticatedClariaswith mixed genetic background now used in aquaculture in South Africa, with unpredictable consequences for biodiversity

Autor: Jim A Cambray, Ben C. W. van der Waal

Publikováno v: African Journal of Aquatic Science. 31:151-153

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9d13eed6bffca4ceb67c96dd79c288b
https://doi.org/10.2989/16085910609503883

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