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William John Burchell: The multi-skilled polymath

open access: yesSouth African Journal of Science, 2012
On the bicentenary of William John Burchell's sojourn and journey in southern Africa, we review his contribution to science in the region. In November 1810, Burchell arrived in Cape Town and, in mid-1811, he set off on a 4-year, 7000-km journey of ...
Roger Stewart, Brian Warner
doaj   +7 more sources

Pengaruh Pemberian Pakan Alami dan Buatan terhadap Pertumbuhan dan Kelangsungan Hidup Benih Ikan Lele Dumbo (Clarias Gariepinus Burchell.) di Balai Benih Sentral Noekele Kabupaten Kupang [PDF]

open access: yesBio-Edu: Jurnal Pendidikan Biologi, 2019
Penelitian tentang pengaruh pemberian pakan alami dan buatan terhadap pertumbuhan dan kelangsungan hidup ikan lele dumbo di Balai Benih Sentral Noekele Kabupaten Kupang Provinsi Nusa Tenggara Timur.
Rihi, A. P. (Apriani)
core   +2 more sources

The non-indigenous dung beetle (Onthophagus nuchicornis) can effectively reproduce using the dung of indigenous eastern North American mammals [PDF]

open access: yesPeerJ
Non-indigenous dung beetle (Coleoptera: Scarabaeoidea) species in North America are important contributors to ecosystem functions, particularly in pasture-based livestock systems.
Alexe Indigo   +3 more
doaj   +3 more sources

Effects of Stocking Density, Size, and External Stress on Growth and Welfare of African catfish (Clarias gariepinus Burchell, 1822) in a Commercial RAS

open access: yesFishes, 2023
The effects of semi-intensive (100 kg m−3), intensive (200 kg m−3), and super-intensive (400 kg m−3) stocking densities on the growth and welfare of African catfish (Clarias gariepinus) were investigated under commercial production conditions.
Björn Baßmann   +6 more
semanticscholar   +1 more source

Histopathological Alterations in Gills, Liver and Kidney of African Catfish (Clarias gariepinus, Burchell 1822) Exposed to Melaleuca cajuputi Extract

open access: yesTropical Life Sciences Research, 2023
This study evaluated the histopathological changes in the gill, liver and kidney of African catfish (Clarias gariepinus) intoxicated with a sub-lethal dose of Melaleuca cajuputi leaves extract (MCLE) for 96 h.
Marina Hassan   +3 more
semanticscholar   +1 more source

Effects of long-term exposure to high temperature on growth performance, chemical composition, hematological and histological changes, and physiological responses in hybrid catfish [♂Clarias gariepinus (Burchell, 1822) ×♀C. macrocephalus (Günther, 1864)].

open access: yesJournal of Thermal Biology, 2022
The anthropogenic and climate-driven rise in water temperature is expected to have an effect on the physiological functions of ectothermic species. In the present study, hybrid catfish were subjected to three different temperatures (27, 32, and 37 °C ...
Anurak Khieokhajonkhet   +5 more
semanticscholar   +1 more source

Noyori–Ikariya Asymmetric Transfer Hydrogenation of Prochiral α‑CF3 and α‑SF5 Ketones [PDF]

open access: yesACS Organic & Inorganic Au
Kelly Burchell-Reyes   +2 more
doaj   +2 more sources

Embryonic and Larval Development Stages of the African Catfish Clarias gariepinus (Burchell, 1822) (Teleostei, Clariidae) in The Ouargla, Algeria

open access: yesJournal of aquaculture and fish health, 2022
This study was designed to investigate for the first time in the region of Ouargla, Algeria, the events and timing of the embryonic development of African catfish, C. gariepinus  (Burchell, 1822). The embryonic development was carefully monitored using a
Ibrahim El Khalil Behmene   +3 more
semanticscholar   +1 more source

Carotenoid content in the fry of African sharptooth catfish (Clarias gariepinus Burchell) [PDF]

open access: yesActa Ichthyologica et Piscatoria, 1994
Using column and thin layer chromatography, carotenoid contents were determined in the African sharptooth catfsh (Clarias gariepinus Burchell).
B. Czeczuga, B. Kłyszejko
doaj   +3 more sources

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