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View Diary: Cape Cod Kennedys: I'm coming after you next (294 comments)

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  •  Impact on coastal marine environment? (2+ / 0-)
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    Agathena, javelina

    And I'm not talking about people here. But since most of the diveristy of marine life is in coastal water I'm wonder what the impact of wind farms would be. In the long run, if it helped reduce global and ocean warming, that's a very good thing, since coral reefs are dying at an alarming rate around the planet. And I'm sure this is not going to be a case of destroying an ecosystem in order to save it, but just what is the impact on these ecosystems?

    •  Comparatively minimal (2+ / 0-)
      Recommended by:
      javelina, besieged by bush

      Will they affect marine life?

      There are three significant stages of a wind farm from the point of view of marine life: construction, operation and decommissioning. Construction and decommissioning have the potential to generate the most amount of disturbance, and the wind industry, as well as several marine conservation groups, is currently investigating these impacts on marine life.

      However it is important that such impacts are considered in the context of all the other marine activities such as global warming, fishing, shipping, oil and gas, etc. In addition, it is also of note that the duration of the construction and decommissioning will only be about six months. For the 20-year operational period there are no known impacts on marine life. Nonetheless the industry is actively investigating potential effects.  Efforts will be taken to minimize the impacts on marine animals prior to and during construction; the area of tower placement will be subjected to harmless sonic “pings” to clear the area before installation begins along with other mitigation efforts.

      It has been suggested that the noise from the turbines travels underwater and would disturb sea life. But studies carried out on the impact of noise from existing offshore turbines note that the noise is very low frequency, and many species are actually unable to hear it.

      Also, it gives the crustaceans something to latch onto.

      Essential funk: 'Indictment' by Antibalas

      by pontechango on Thu Oct 26, 2006 at 03:12:32 PM PDT

      [ Parent ]

      •  Artificial reefs... (0+ / 0-)

        The towers are going to provide anchoring points for various marine life.

        And if the area is declared off-limits for fishing then a aquatic "nursery" will be created.

        Both potential very valuable for sea life recovery.

        Donate. Ransom our country back from the evildoers.

        by BobTrips on Fri Oct 27, 2006 at 12:06:52 AM PDT

        [ Parent ]

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