Vattenfall and The Rich North Sea extent cooperation on nature enhancement in offshore wind farms

Vattenfall and Dutch nature conservation organization The Rich North Sea have agreed to continue their cooperation in the area of nature enhancement in the North Sea this week.

North Sea nature is under pressure. The Rich North Sea is researching nature reinforcement here. This includes looking at marine life in various offshore wind farms. For this it works together with various partners, including Vattenfall.

The two parties are jointly investigating the possibilities for improving native biodiversity in offshore wind farms. Previous research shows that wind farms increase local biodiversity and contribute to adequate fish stocks. Some of the projects that they have worked on together are:

Rock reefs: a nature inclusive design measure made of large rocks which serve as a reef on the scour protection. Here, the partners explore what the effect is of this nature enhancing measures on the biodiversity in the wind farm.

Water replenishment holes: a joint study examines the effect of the water replenishment holes, which are clever openings in the turbine foundations. These openings allow water to pass through, creating a refuge for fish, anemones, crabs and shrimps. These water replenishment holes have been installed in all 140 foundations of the wind turbines of the Hollandse Kust Zuid Wind Farm. It is the first time that research is conducted into what the water replenishment holes could mean for marine life.

Innovative monitoring: Aarmed with advanced innovative monitoring techniques, the partners look inside and outside of the foundations to understand how marine life develops over time. Source: Vattenfall/The Rich North Sea

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