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This environmental impact assessment for Kriegers flak ... - Vattenfall

This environmental impact assessment for Kriegers flak ... - Vattenfall

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152 CUMULATIVE EFFECTS<br />

ß ight stretch from their winter quarters in Denmark to<br />

the average hatching areas in the Stockholm archipelago.<br />

For a ß ock of birds that is <strong>for</strong>ced to ß y around<br />

the Swedish farm at <strong>Kriegers</strong> Flak, the distance could<br />

be Þ ve or even seven kilometres longer than if they<br />

were to ß y straight, which could be up to 0,9 % farther.<br />

A ß ock of water fowl that is affected by three of four<br />

different, future, offshore wind farms, may have their<br />

ß ight distance increased by up to 30 km, which could<br />

be as much as a 3,8% ß ight increase. Even this does<br />

probably not have a very big <strong>impact</strong> on the individual<br />

bird, as most water fowl have a reserve of at least 10-20<br />

% <strong>for</strong> longer ß ying distances to their average hatching<br />

or hibernation areas. <strong>This</strong> increase in energy cost <strong>for</strong><br />

some individuals may over time have a large <strong>impact</strong> if<br />

a number of farms, especially large farms, are built in<br />

the water fowl migration tracks. The full cumulative<br />

study can be found in Attachment 8.4.

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