Search Results - "Impson, D"

Ten research questions to support South Africa's Inland Fisheries Policy by Weyl, OLF, Barkhuizen, L, Christison, K, Dalu, T, Hlungwani, HA, Impson, D, Sankar, K, Mandrak, NE, Marr, SM, Sara, JR, Smit, NJ, Tweddle, D, Vine, NG, Wepener, V, Zvavahera, M, Cowx, IG

“…South Africa is in the process of developing a National Freshwater (Inland) Wild Capture Fisheries Policy. A properly focused research strategy is essential to…”
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assessment of a proposal to eradicate non-native fish from priority rivers in the Cape Floristic Region, South Africa by Marr, SM, Impson, ND, Tweddle, D

“…Non-native fish are considered the most important threat to the survival of the indigenous freshwater fishes in the Cape Floristic Region (CFR). A pilot…”
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Threatened fishes of the world : Labeo seeberi Gilchrist & Thompson, 1911 (Cyprinidae) by IMPSON, D

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Conservation biology and management of a critically endangered cyprinid, the Twee River redfin, Barbus erubescens (Teleostei: Cyprinidae), of the Cape Floristic Region, South Africa by Impson, ND, Marriott, MS, Bills, IR, Skelton, PH

“…The Twee River redfin Barbus erubescens is a critically endangered small cyprinid endemic to the Twee River System, a subcatchment of the Olifants-Doring River…”
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Mitochondrial DNA differentiation in the critically endangered Berg River redfin (Pseudobarbus burgi) by Bloomer, P, Impson, ND

“…The Berg River redfin (Pseudobarbus burgi) is a critically endangered endemic cyprinid from South Africa. We investigated mitochondrial DNA control region…”
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Record of Blue tilapia Oreochromis aureus (Steindachner, 1864) in the Eerste River catchment, Western Cape province, South Africa by Marr, SM, Gouws, G, Avlijas, S, Khosa, D, Impson, ND, van der Westhuizen, M, Weyl, OLF

“…Oreochromis aureus was imported from Israel into South Africa in 1959 but data on its current status in South Africa are lacking. Genomic DNA was extracted and…”
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A preliminary assessment of the impact of alien rainbow trout (Oncorhynchus mykiss) on indigenous fishes of the upper Berg River, Western Cape Province, South Africa by Woodford, D.J. (Cape Town Univ., Rondebosch (South Africa). Zoology Dept.), Impson, N.D

“…Impacts of alien rainbow trout (Oncorhynchus mykiss) on critically endangered Berg River redfin (Pseudobarbus burgi), Cape kurper (Sandelia capensis) and Cape…”
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Genetically distinct Dutch-domesticated Clarias gariepinus used in aquaculture in southern Africa by Roodt-Wilding, R, Swart, B L, Impson, N D

“…Clarias gariepinus, a catfish species widely distributed in Africa including South Africa, is naturally absent from the Western Cape and the coastal Eastern…”
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Present status and historical changes in the fish fauna of the Berg River, South Africa by Clark, B. M., Impson, D., Rall, J.

“…The Berg River system in the southwestern Cape South Africa was historically populated by at least four species of highly endemic fish species. A litany of…”
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Linked effects of dam-released floods and water temperature on spawning of the Clanwilliam yellowfish Barbus capensis by King, Jackie, Cambray, Jim A, Dean Impson, N

“…In South Africa, modified flow regimes designed to maintain ecosystem functioning at some pre-determined level are recommended for all rivers involved in major…”
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Present status and historical changes in the fish fauna of the Berg River, South Africa by Impson, D., Rall, J., Clark, B.M.

“…The Berg River system in the southwestern Cape South Africa was historically populated by at least four species of highly endemic fish species. A litany of…”
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Aquatic systems in and adjacent to Agulhas National Park with particular reference to the fish fauna by I.A. Russell, N.D. Impson

“…The study aimed to determine the distribution and relative abundance of freshwater fishes in and adjacent to Agulhas National Park. Fourteen fish species were…”
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Threatened fishes of the world : Barbus andrewi Barnard, 1937 (Cyprinidae) by IMPSON, Dean

“…The whitefish (Barbus andrewi) is endemic to two river systems in the Western Cape, South Africa, and is classified as vulnerable in the Breede River and…”
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Extreme levels of intra-specific divergence among Cape Peninsula populations of the Cape galaxias, Galaxias zebratus Castelnau 1861, reveals a possible species complex by Wishart, Marcus, Hughes, Jane, Stewart, Barbara, Impson, Dean

“…The Cape galaxias, Galaxias zebratus, is part of the paleao-endemic fauna characteristic of the south-western Cape, South Africa, and is the only galaxiid…”
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Threatened fishes of the world: Pseudobarbus burgi (Boulenger, 1911) (Cyprinidae) by IMPSON, Dean

“…The Berg River redfin is a critically endangered cyprinid fish found only in the Berg and Verlorenvlei River systems of South Africa's Western Cape. The…”
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Threatened Fishes of the World: Barbus calidus Barnard, 1938 (Cyprinidae) by Impson, Dean, Swartz, Ernst

“…Barbus calidus, the clanwilliam redfin, is an endangered fish endemic to sections of the Oliphant River system in South Africa. Formerly found in throughout…”
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Threatened fishes of the world : Barbus serra Peters, 1864 (Cyprinidae) by IMPSON, D

“…Barbus serra, commonly known as the sawfin, is an endangered cyprinid fish found only in the Olifants River system of South Africa. Data records reveal that…”
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Interdisciplinary Education--You Bet It Can Work by Impson, Patricia D

“…To increase students' problem-solving abilities, the New York State New Compact for Learning requires schools to do more interdisciplinary, community-based…”
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The impact of invasive fish and invasive riparian plants on the invertebrate fauna of the Rondegat River, Cape Floristic Region, South Africa by Lowe, Steven R, Woodford, Darragh J, Impson, Dean N, Day, Jenny A

“…Invasive fish and plants are widespread in the rivers and riparian zones of the Cape Floristic Region of South Africa and represent potential threats to the…”
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The predatory impact of invasive alien smallmouth bass, Micropterus dolomieu (Teleostei: Centrarchidae), on indigenous fishes in a Cape Floristic Region mountain stream by Woolford, D.J. (Cape Town Univ., Rondebosch (South Africa). Zoology Dept.), Impson, N.D, Day, J.A, Bills, I.R

“…Fish populations in the Rondegat River, a mountain stream in the Olifants-Doring system in the Cape Floristic Region, South Africa were surveyed to assess the…”
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