Birds
Offshore wind farms may have three types of effects on birds:
- Collision with flying birds
- Disturbance of flight paths/barrier effects
- Disturbance of resting and/or feeding birds.
Monitoring surveys
Monitoring surveys are necessary to answer questions such as:
- Which species occur in what quantities on wind farm sites?
- Will collision take place, and if so which species are involved?
- Will bird flight patterns be influenced, and if so, how?
- What are the effects on populations?
Monitoring will take place during construction and over the course of several years during the exploitation of the wind farm. Collision measurement will take place using sensors in the wind turbines, video imaging and computer registration (WT Bird or similar system). Bird flight patterns and local movements will be measured by:
- Radar surveys on a wind turbine of the wind farm
- Radar surveys outside the wind farm
- Human visual surveys in the wind farm
Also, it is necessary to develop prediction models to calculate effects on bird population.
Effect studies
Results are available presenting data collected in 2007on flying birds. In the final report, planned for 2010, the results of the entire monitoring programme will be presented and evaluated. Results on Local Birds in and around the OWEZ during the operational phase (T1) are also available. Research on collision has not yet begun due to difficulties in measurement.
Downloads
- Strategy of approach baseline survey flying birds
- Strategy of approach baseline survey sea birds
- Data nulmetingen niet-zeevogels
- Data nulmetingen mariene vogels
- Baseline studies North Sea wind farms: fluxes, flight paths and altitudes of flying birds 2003-2004
- Baseline studies North Sea wind farms: marine birds in and around the future site Nearshore Windfarm (NSW)
- Local Birds in and around the OWEZ (2002-2010, T0 & T1)
- Effect studies Offshore Wind Farm Egmond aan Zee progress report on fluxes and behaviour of flying birds
- Effect studies OWEZ Progress report on fluxes and behaviour of flying birds covering 2007 & 2008
- Did the pile driving during the construction of the Offshore Wind Farm Egmond aan Zee, the Netherlands, impact local seabirds?
