Newsletter July 2012
This offshore edition was instigated by finalising our studies at the first Dutch offshore wind farm. We hope you enjoy reading about our projects with as much enthusiasm as we had in carrying them out.
Birds and offshore wind farm OWEZ

We investigated the effects of the first Dutch offshore wind farm (OWEZ) on birds. This report was commissioned by NoordzeeWind (a consortium of NUON and Shell).

Growth of underwater life on wind turbines

The development of underwater life on wind turbines was assessed using video footage, pictures and samples collected by professional divers.

Study of cormorants at sea with GPS loggers

In April 2012, we began research into the flight activity and foraging behaviour of cormorants with GPS loggers in the Dutch North Sea. Find the first interesting results here.

Fluxes, altitudes and flight paths of birds in OWEZ

Our research, incorporating automated radars, showed that the effects of OWEZ are limited due to its location and small size, in combination with high avoidance rates of seabirds.

Monitoring seabirds offshore by aerial surveys

Aerial surveys during May 2010 to April 2011 provided data on the distribution, numbers and flight heights of seabirds in the search areas for new offshore wind farms in the North Sea. View the report.

Lesser black-backed gulls tracked with GPS loggers

GPS loggers helped provide important information as to whether birds are potentially at risk from the effects of future offshore wind farms. View the report.

Cumulative effects of wind farms at sea on birds

The effects of multiple wind farms on bird populations from around the North Sea were assessed using population models. The report is now available.

Innovative survey methods for the seabed

An underwater camera system developed for surveying the seabed has been tested in the North Sea. Images of the seabed can be viewed on our YouTube channel and in the report (in Dutch).

Marine Mammal Observers (MMOs) offshore

A number of our ecologists are certified Marine Mammal Observers (MMO) and are trained to monitor the effects of offshore activities on marine mammals.


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