How fishermen benefit from the reversing evolution of cod naturesustai
would only slightly reduce the profit of fishing, but would help regain and conserve natural genetic diversity.is severe: fish stocks have declined and the degradation of marine habitats as well as the loss of biodiversity have been accelerated.
For this, they developed a model that took various processes into account: Biological growth and reproduction as well as economic harvesting costs and consumer preferences. The researchers also analyzed potential trade-offs between economic profit and conservation targets. "Fisheries typically consider short planning horizons of a few years. This stands in contrast to long-term sustainability and biodiversity targets," says Hanna Schenk. The researchers found that more far-sighted planning horizons would help to rebuild the stock but evolutionary decline continues. According to Schenk, reversing this process takes much longer than the recovery of the stock biomass and is only achieved with century-long planning horizons.
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