Sampling of fish and crustaceans at the cooling water intake of an estuarine power plant: a comparison with stow net fishery
Maes, J.; Pas, J.; Taillieu, A.; Van Damme, P.A.; Ollevier, F.P. (2001). Sampling of fish and crustaceans at the cooling water intake of an estuarine power plant: a comparison with stow net fishery. Arch. Fish. Mar. Res. 49(1): 27-36
In: Archive of Fishery and Marine Research = Archiv für Fischerei- und Meeresforschung. Urban & Fisher Verlag: Hamburg. ISSN 0944-1921; e-ISSN 1618-0410
Fish and crustaceans were sampled in November 1995 in the cooling water intake of the nuclear power plant Doel (Zeeschelde Estuary, Belgium) and by stow nets, to determine possible differences in species abundance, species biomass, and mean species length between the two methods. A total of 39 species were caught, 32 by stow net and 33 at the intake, with 26 species being caught by both methods. The abundance and biomass were several times higher at the intake than in the stow net samples. Although the average length was higher in the stow net samples in the case of most species, almost all length classes of each population were also present in the samples from the cooling water intake. The results suggest that the cooling water intake is an effective means to collect fish and crustaceans, and reflects the species abundance in the surrounding waters, if the method is combined with surveys to separate local events from long-term trends.
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