Rehabilitation of whitefish fisheries in lakes Geneva and Bourget during the eutrophication period: assessing socio-economic impacts through large collaborative research

Special issue - Biology and Management of Coregonid Fishes - 2023

Open Access

Fig. 3

Change in total whitefish (Coregonus spp.) catches (Ctot) by professional fishers (solid blue curve) and recreational anglers (dotted orange curve) in tons (Jacquet et al., 2022; Goulon et al., 2023), along with weighted mean annual concentrations of total phosphorus (Ptot; data from SOERE SI-OLA; Rimet et al., 2020) from 1950 to 2022 in Lake Bourget (A) and Lake Geneva (B). The dashed grey line indicates extrapolated data. The dashed horizontal black line highlights the 15 μg/L Ptot threshold recommended by OCDE (1982).

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