2015
DOI: 10.1051/kmae/2015010
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Moderate biomanipulation for eutrophication control in reservoirs using fish captured in angling competitions

Abstract: Key-words:angling, biomanipulation, eutrophication, fish management, groundbait Angling competitions are a popular leisure activity in reservoirs of Southern Portugal. These competitions can gather more than 100 anglers aiming to catch the maximum fish weight. Groundbaiting and catch-andrelease angling are two common practices for anglers in competition. In this study, the loads of nutrients from commercial groundbait powders used in angling competitions in the Maranhão reservoir and the possible balance out o… Show more

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Cited by 3 publications
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“…The ecological function of artificial reservoirs is important from a social perspective, providing recreational ecosystem services of which angling is particularly common in industrial, urbanised and densely populated areas (Arlinghaus, Mehner, & Cowx, ; Rzętała, ). However, recreational fishing can have significant impacts on aquatic ecosystems, depending on the degree of pressure, the fish stocking structure and the ichthyofauna species composition (Amaral, Franco, & Ferreira, ; Cooke & Schramm, ; Cowx & Gerdeaux, ). For example, the catch of non‐predatory fishes often involves the use of ground baits, which consist of organic component mixtures that are a nutrient source and, to a certain limit, can be effective in increasing the carrying capacity of the fishery and the catch of cyprinid fish.…”
Section: Introductionmentioning
confidence: 99%
“…The ecological function of artificial reservoirs is important from a social perspective, providing recreational ecosystem services of which angling is particularly common in industrial, urbanised and densely populated areas (Arlinghaus, Mehner, & Cowx, ; Rzętała, ). However, recreational fishing can have significant impacts on aquatic ecosystems, depending on the degree of pressure, the fish stocking structure and the ichthyofauna species composition (Amaral, Franco, & Ferreira, ; Cooke & Schramm, ; Cowx & Gerdeaux, ). For example, the catch of non‐predatory fishes often involves the use of ground baits, which consist of organic component mixtures that are a nutrient source and, to a certain limit, can be effective in increasing the carrying capacity of the fishery and the catch of cyprinid fish.…”
Section: Introductionmentioning
confidence: 99%