Joanne Isaac
Human noise gives birds a headache
September 25th 2008 23:58
:
26 Sept 08
A study just published in the journal Conservation Biology shows that human generated noise, from compressor stations, has a negative effect on native birds.
The researchers examined bird density in Canadaian forests and found that the abundance of birds was 1.5 times higher in forest which was near noiseless energy stations, compared to noise producing energy sites.
The study suggests that the impacts of anthropogenic noise will be most important for bird species which communicate by vocalizations.
The authors estimate it would cost $175 million to mitigate existing noise impacts on bird populations.
The researchers examined bird density in Canadaian forests and found that the abundance of birds was 1.5 times higher in forest which was near noiseless energy stations, compared to noise producing energy sites.
The study suggests that the impacts of anthropogenic noise will be most important for bird species which communicate by vocalizations.
The authors estimate it would cost $175 million to mitigate existing noise impacts on bird populations.
The red eyed vireo - one of the species particularly affected by human noise
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