Thursday, February 16, 2012

Artificial Reefs are the Results of Wave Energy and Offshore Wind Power

The main focus by Dan Wilhelmsson, was to understand how offshore wind turbine inflicted on the natural habitats for plants, fish and other living mammals in the sea. Intriguingly, wind energy appears according to Wilhelmsson, to protect the dwelling of fish by providing an artificial reef. It was found that the density of fish nearby wind turbine was much higher than in vicinities away from wind turbines. The seabed where Wind Turbines were erected was nevertheless very rich in algae and boulders. This made it an ideal area for blue mussels.

Moreover wave power architecture does also have a similar constitution. They do also attract fish and crabs. However, the buoys used for the wave power are accommodated by blue mussels which usually fall down and become food for other animals in the seabed. It was also seen that the volume of lobsters rose drastically, if holes were created in the foundation. It also encouraged crabs to lodge it as their natural habitat.

There is still some risk, as a high concentration of certain species can have controversial impact on other species. The quantity of predatory animals can outnumber preys such as starfish, crustaceans and sea-pens. This can in extreme cases lead to the decimation of an entire species at particular vicinities.

source:http://www.renewablepowernews.com/archives/1001

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