Lake Hochholzer See in Walldorf (Rhein-Neckar-Kreis) is a valuable biotope. But too many catfish endanger the biodiversity. The fishing association tries to counter this.
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Lake Hochholzer See in Walldorf (Rhein-Neckar-Kreis) is a valuable biotope. But too many catfish endanger the biodiversity. The fishing association tries to counter this.