Line chart shows the decline in maturity size (L-fifty) of four fish species from nineteen fifty to twenty twenty. Each species is represented by a colored line and an illustration of the fish. The species shown, from top to bottom, are: Sander lucioperca, Abramis brama, Rutilus rutilus, and Perca fluviatilis. All lines slope downward, indicating a decrease in size at maturity over time. The x-axis represents years (nineteen fifty to twenty twenty), and the y-axis represents maturity size (L-fifty).
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Fish in the Curonian Lagoon (Baltic Sea) are maturing at smaller sizes as waters warm. Long-term data (1949โ2023) show rapid, species-specific shifts in growth, supporting the temperature-size rule.
#ClimateChange #Fisheries #TSR #BalticSea #CuronianLagoon
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