Zobrazeno 1 - 6 of 6 pro vyhledávání: '"Paul D. Vorwerk"'
1
Biological responses to a resumption in river flow in a freshwaterdeprived, permanently open Southern African estuary
Autor: P. William Froneman, Nadine A. Strydom, Alan K. Whitfield, Paul D. Vorwerk, Angus W. Paterson
Publikováno v: Water SA; Vol 34, No 5 (2008); 597-604
Water SA, Volume: 34, Issue: 5, Pages: 597-604, Published: OCT 2008
The Kariega Estuary is a freshwater-deprived system due to numerous impoundments in the catchment. This system has had little or no horizontal salinity gradient over the last 15 years, with hypersaline conditions sometimes predominating in the upper
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3cb3af8bbdcf1a2bf3a334d141cbde39
https://doi.org/10.4314/wsa.v34i5.180657
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2
Response of the Plankton to a Fresh Water Pulse in a Fresh Water Deprived, Permanently Open South African Estuary
Autor: Paul D. Vorwerk, P. W. Froneman
Publikováno v: Journal of Water Resource and Protection. :405-413
This study assessed the influence of a freshwater pulse on selected physico-chemical and biological variables in a permanently open freshwater deprived southern African estuary. In the absence of the freshwater pulse a reverse gradient in salinity wa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::616ff8da4530c5bceb9534dc77f20b8a
https://doi.org/10.4236/jwarp.2013.54040
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4
Fish community response to increased river flow in the Kariega Estuary, a freshwater-deprived, permanently open southern African system
Autor: Paul D. Vorwerk, Alan K. Whitfield, P. W. Froneman, A.W. Paterson
Publikováno v: African Journal of Aquatic Science; Vol 33, No 3 (2008); 189-200
The littoral and demersal ichthyofaunal community structure in the freshwater-deprived, permanently open Kariega Estuary was investigated following heavy rain in November 2006 and was compared to low-flow condition data from 1991 and 1996. All survey
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f50315ab0bd3d390b65724c3a9ea0bc5
https://doi.org/10.2989/ajas.2008.33.3.1.613
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5
The Influence of Selected Environmental Variables on Fish Assemblage Structure in a Range of Southeast African Estuaries
Autor: Alan K. Whitfield, Angus W. Paterson, Paul D. Vorwerk, Paul D. Cowley
Publikováno v: Environmental Biology of Fishes. 66:237-247
This study compared the ichthyofaunal assemblages in 10 Eastern Cape Province, South Africa, estuaries to identify whether there were any structural variations between the assemblages and to determine the environmental and physical factors linked to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::268b1410b047484baa5cb3be22413f10
https://doi.org/10.1023/a:1023922521835
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6
A multidisciplinary study of a small, temporarily open/closed South African estuary, with particular emphasis on the influence of mouth state on the ecology of the system
Autor: AI Terörde, T. Riddin, B Mackenzie, Jane Turpie, Nadine A. Strydom, GC Snow, Alan K. Whitfield, K Bezuidenhout, Janine B. Adams, L van Niekerk, TH Wooldridge, Thomas G. Bornman, A.K. Theron, P. W. Froneman, Paul D. Cowley, S Taljaard, Phumelele T. Gama, Nicola C. James, Guy C. Bate, Paul D. Vorwerk
Publikováno v: African Journal of Marine Science; Vol 30, No 3 (2008); 453-473
African Journal of Marine Science
In 2005/2006 a multidisciplinary research programme that included studies on the hydrodynamics, sediment dynamics, macronutrients, microalgae, macrophytes, zoobenthos, hyperbenthos, zooplankton, ichthyoplankton, fish and birds of the temporarily open
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67f11ceb6b251283cf30855e227b10ca
https://www.ajol.info/index.php/ajms/article/view/33546
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