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Bird kill

 
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Bandidoz
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Joined: 24 Nov 2005
Posts: 2701
Location: Berks
PostPosted: Sun Mar 05, 2006 4:01 am    Post subject: Bird kill Reply with quote
From Joseph De Carols' PhD thesis:
Code:
Table 4.1 ? Comparative avian risk in the US. Normalized risk is obtained by dividing the estimated annual bird kills in Column 2 by the amount of infrastructure in Column 3.  Estimates are from Erickson et al. (2001).

Hazard Estimated Bird Kills (106/year) Size of Infrastructure Annualized Risk (Normalized Bird Kills)
Vehicles             60-80 4?106 miles of road     15-20 / mile
Buildings/Windows 98-980 9.8?107 buildingsa     1-10 / building
Power Lines        0.01-174 5?105 miles of transmission      0.02-348 / mile
Communication Towers 4-50 8?104 towers       50-625 / tower
Wind Generation Facilities 0.01-0.04 1.5?104 wind turbines      0.67-2.67 / turbine

The estimate of buildings includes both commercial and residential structures.

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