Zobrazeno 1 - 10
of 45
pro vyhledávání: '"C. J. Kleynhans"'
Publikováno v:
African Journal of Aquatic Science; Vol 29, No 2 (2004); 129-143
Biotic indices using fish assemblage characteristics have been applied with great success in river assessments around the world. Internationally the most commonly applied fish index is the Index of Biotic Integrity (IBI), whilst in South Africa the m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b4262d57c040819cb129859d3afec30
https://doi.org/10.2989/16085910409503805
https://doi.org/10.2989/16085910409503805
Publikováno v:
Water Science and Technology. 39:207-210
The output of monitoring programmes such as the National Aquatic Ecosystem Biomonitoring Programme must be used in the management of aquatic ecosystems. To achieve this, collected data must, through a systematic framework, be linked to measurable man
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b9a6b86e67e859bbf54fdef4e7fa614
https://doi.org/10.2166/wst.1999.0657
https://doi.org/10.2166/wst.1999.0657
Autor:
C. J. Kleynhans
Publikováno v:
Journal of Aquatic Ecosystem Health. 5:41-54
The riparian zone and instream habitat integrity of the Luvuvhu River were assessed based on a qualitative rating of the impacts of major disturbance factors such as water abstraction, flow regulation, bed and channel modification, etc. A system was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9031ca64d7da0be9c1ca3a32b5d5d1bd
https://doi.org/10.1007/bf00691728
https://doi.org/10.1007/bf00691728
Autor:
A. Hoffman, C. J. Kleynhans
Publikováno v:
Southern African Journal of Aquatic Sciences. 18:107-111
Summary New distribution records for four fish species in the Waterberg mountains of the Transvaal were established during surveys since 1987–92. Clarias theodorae was previously reported from one locality each in the Waterberg and Soutpansberg. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::463cd868d4a583e60c6fe704d2a7b19e
https://doi.org/10.1080/10183469.1992.9631329
https://doi.org/10.1080/10183469.1992.9631329
Autor:
A. Hoffman, C. J. Kleynhans
Publikováno v:
Southern African Journal of Aquatic Sciences. 18:104-106
Summary During 1973/74, Barbus poechii, Oreochromis macrochir, O. andersonii, Serranochromis angusticeps, S. codringtonii, S. robustus and S. thumbergi from the Okavango System were introduced into the Shashe Dam (Limpopo System, Botswana). These spe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58b01ce96c7040c676e2afae29afe27c
https://doi.org/10.1080/10183469.1992.9631328
https://doi.org/10.1080/10183469.1992.9631328
Autor:
C. J. Kleynhans
Publikováno v:
Journal of the Limnological Society of Southern Africa. 9:29-32
SUMMARY A survey of the fish species of the Mogol and Palala Rivers (Limpopo System) was conducted during 1979 and 1981. Thirty one indigenous fish species were sampled in the Mogol River, five of which were recorded for the first time in this river.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9c4e5b294837737df5d340141e17d3d
https://doi.org/10.1080/03779688.1983.9639408
https://doi.org/10.1080/03779688.1983.9639408
Autor:
C. J. Kleynhans
Publikováno v:
Journal of the Limnological Society of Southern Africa. 14:108-118
SUMMARY Seven natural populations of Kneria auriculata occur in tributaries of the Crocodile River (Incomati System) on the eastern Transvaal escarpment. The routes it probably used to colonize these streams are discussed and used to explain its curr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::862928772cd2b8aca830516dc982f1fa
https://doi.org/10.1080/03779688.1988.9632846
https://doi.org/10.1080/03779688.1988.9632846
Autor:
C. J. Kleynhans
Publikováno v:
Journal of the Limnological Society of Southern Africa. 13:7-13
SUMMARY The habitat preferences, food habits, reproduction, age and population size of Barbus treurensis were investigated as part of a survey of the threatened fish of the Transvaal. Barbus treurensis occurs only in an isolated section of the Blyde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4b1a9f8c3c33e1126b6bb06b747647a
https://doi.org/10.1080/03779688.1987.9634537
https://doi.org/10.1080/03779688.1987.9634537
Autor:
Cortelezzi, Agustina1,2 (AUTHOR) acorte@exa.unicen.edu.ar, Paz, Laura E.1,2 (AUTHOR) epaz@vet.unicen.edu.ar
Publikováno v:
Freshwater Science. Jun2023, Vol. 42 Issue 2, p204-213. 10p.
Autor:
C. J. Kleynhans
Publikováno v:
Journal of the Limnological Society of Southern Africa. 5:27-29
SUMMARY The distribution of Kneria auriculata in the upper reaches of the Crocodile River (Incomati River System) was determined. Knevia auriculata shows a preference for cold mountain streams with calm pools. Five isolated populations exist in such
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a61d4004ceb4846850cab6664a76cc59
https://doi.org/10.1080/03779688.1979.9633177
https://doi.org/10.1080/03779688.1979.9633177