Search Results - "Smit, NJ"

Environmental regulatory awareness of freshwater recreational bank anglers in South Africa by Joubert, A, Retief, Francois P., Smit, NJ, Alberts, Reece C., Wepener, V, Roos, C

“…Freshwater recreational angling is growing in popularity internationally. Due to the potential negative environmental impacts, various regulatory systems…”
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Application of multivariate statistics and toxicity indices to evaluate the water quality suitability for fish of three rivers in the Kruger National Park, South Africa by Gerber, R, Wepener, V, Smit, NJ

“…The water quality of the Olifants, Letaba and Luvuvhu rivers within the Kruger National Park was assessed for their suitability to sustain fish populations…”
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A review of the reported and future potential ecological impacts of the invasive freshwater snail Tarebia granifera in South Africa by Pearson, JJ, Gerber, R, Malherbe, W, Smit, NJ, de Necker, L

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An assessment of water and sediment quality of aquatic ecosystems within South Africa's largest floodplain by van Rooyen, D, Gerber, R, Smit, NJ, Wepener, V

“…Ndumo Game Reserve (NGR), a Ramsar site, situated in South Africa's largest floodplain (Phongolo River floodplain) in northern KwaZulu-Natal, with important…”
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Unique co-occurrence of two genera of cymothoid ectoparasitic isopods on the same individual fish host by Welicky, RL, Smit, NJ

“…Parasitism of a host fish by a single species of cymothoid is regularly reported. For the first time on a temperate-fish host and in South African waters, we…”
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Blood parasite biodiversity of reef-associated fishes of the eastern Caribbean by Cook, Courtney A., Sikkel, Paul C., Renoux, Lance P., Smit, Nico J.

“…Parasitic micro-organisms can influence multiple ecological processes, from growth, mortality, and behavior, to community structure and trophic interactions,…”
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Intraspecific cleaning by juvenile Cape white seabream Diplodus capensis (Sparidae) off eastern South Africa by Sikkel, PC, Smit, NJ

“…Juveniles of the Cape white seabream Diplodus capensis were observed cleaning adult conspecifics in a large tidepool off Sodwana Bay, South Africa. Although…”
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Using stable δ 13 C and δ 15 N isotopes to assess foodweb structures in an African subtropical temporary pool by de Necker, L, Manfrin, A, Ikenaka, Y, Ishizuka, M, Brendonck, L, van Vuren, JHJ, Sures, B, Wepener, V, Smit, NJ

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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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A Comparison of Aquatic Macroinvertebrate and Large Branchiopod Community Composition between Temporary Pans of a Conservation Area and Surrounding Communal Area in South Africa by Dube, T, de Necker, L, Wepener, V, Smit, NJ, Pinceel, T, Mwaijengo, GN, Lemmens, P, Brendonck, L

“…Although temporary wetlands are often biodiversity hotspots that deliver multiple ecosystem services, they are also threatened by human exploitation. We…”
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Using Stable δ13C and δ15N Isotopes to Assess Foodweb Structures in an African Subtropical Temporary Pool by de Necker, L, Manfrin, A, Ikenaka, Y, Ishizuka, M, Brendonck, L, van Vuren, JHJ, Sures, B, Wepener, V, Smit, NJ

“…Southern Africa has one of the highest densities of temporary pools and some of the most understudied temporary wetlands in the world. Additionally, the…”
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First record of Labeo capensis (Smith, 1841) in the Crocodile River (West) system: another successful non-native freshwater fish introduction in South Africa by Erasmus, JH, Malherbe, W, Gerber, R, Weyl, OLF, Sures, B, Wepener, V, Smit, NJ

“…South Africa is one of six global fish invasion hotspots and as a result, non-native fishes are common components of the fish assemblages in all of the major…”
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First report of metazoan parasites from the cichlid Pseudocrenilabrus philander and the cyprinid Enteromius paludinosus in a South African Ramsar wetland by Truter, M, Přikrylová, I, Malherbe, W, Smit, NJ

“…Parasites of two small fish species from a Ramsar wetland in South Africa were studied in 2014-2015. The cichlid Pseudocrenilabrus philander (Weber, 1897) was…”
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A tool for determining maximum sustained swimming ability of selected inland fish species in an Afrotropic ecozone by Smit, N.J., Mahloko, M.P., Howatson, G., Botha, T.L., Wepener, V.

“…Critical swimming speed (Ucrit) predicts the maximum sustained swimming velocity that various fish species are able to sustain for prolonged periods. The…”
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Parasites of fishes in the recently inundated ephemeral Lake Liambezi, Namibia by McHugh, KJ, Weyl, OLF, Smit, NJ

“…Lake Liambezi forms the periodic connection between the upper Zambezi, Kwando and Okavango rivers. A full parasitological assessment was conducted on 86 fish,…”
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Diel movement of smallmouth yellowfish Labeobarbus aeneus in the Vaal River, South Africa by Jacobs, FJ, O'Brien, GC, Smit, NJ

“…Diel movements of Orange–Vaal smallmouth yellowfish Labeobarbus aeneus (Burchell, 1822) in the Vaal River, South Africa, were determined by externally…”
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The curious life-style of the parasitic stages of Gnathiid isopods by Smit, N J, Davies, A J

“…Isopods of the family Gnathiidae have free-living adults and parasitic juveniles feeding on the blood and tissue fluids of teleost and elasmobranch fishes…”
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Metal contamination of sediments and fish from the Vaal River, South Africa by Pheiffer, W, Pieters, R, van Dyk, JC, Smit, NJ

“…Mining and other economic activities have led to the pollution of the Vaal River with metals of mainly industrial origin, but the consequences of this for…”
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First report on OH-PAHs in South African Clarias gariepinus bile from an urban impacted system by Pheiffer, W, Bortey-Sam, N, Ikenaka, Y, Nakayama, SMM, Mizukawa, H, Ishizuka, M, Smit, NJ, Pieters, R

“…The concentrations of selected hydroxylated polycyclic aromatic hydrocarbons (OH-PAHs) were determined in the bile of the African sharptooth catfish Clarias…”
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Comparative behavioural assessment of an established and a new tigerfish Hydrocynus vittatus population in two man-made lakes in the Limpopo River catchment, southern Africa by O'Brien, GC, Bulfin, JB, Husted, A, Smit, NJ

“…With the continued establishment of man-made lakes within the natural distribution range of tigerfish in southern Africa, many artificial tigerfish populations…”
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