Netherlands: Long-term research shows herring arrive earlier in the Wadden Sea due to climate change

Published 2024년 4월 26일

Tridge summary

A study by the Royal Netherlands Institute for Sea Research (NIOZ) has found that young herring in the Wadden Sea are arriving earlier in the spring due to climate change. The research, led by Mark Rademaker, Myron Peck, and Anieke van Leeuwen, was possible due to consistent sampling of fish data since 1960. The study highlights the importance of consistent, long-term measurement in revealing changes, as opposed to less frequent or random measurement. Rademaker's research will be included in his upcoming dissertation at Wageningen University, where he will also discuss the impact of climate change on benthic life in the Wadden Sea and measurements of deep-sea squid around the Azores.

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Original content

Due to the changing climate, young herring arrive in the Wadden Sea earlier and earlier in spring. That is shown in a new publication by NIOZ ecologists Mark Rademaker, Myron Peck, and Anieke van Leeuwen in Global Change Biology."The fact that we were able to demonstrate this was only due to very consistently—for more than 60 years—and continuously sampling the fish every spring and every fall with exactly the same fyke [net] every time," Rademaker says. "Recognizing this kind of change requires extreme precision and endurance."Since 1960, NIOZ, Royal Netherlands Institute for Sea Research, has been measuring the number and species of fish that swim in the Marsdiep, between Den Helder and Texel, day in and day out, using a standard fyke, in spring and fall. These measurements show that the peak of the number of young herring swimming into the Wadden Sea since 1982 comes at least two weeks earlier now."Such a calculation is difficult with a species of fish that swims in large ...

Source: Phys