Noise pollution poses a long-term risk to tree populations and plant diversity that may persist even after the sources of excess noise are removed, according to research published Wednesday.
Researchers in the United States looked at tree populations in New Mexico that had been exposed to a high level of artificial noise for 15 years.They then looked at plots where sources of noise had recently been added or removed and examined how populations recovered. "The effects of human noise pollution are growing into the structure of these woodland communities," said Clinton Francis, biology professor at California Polytechnic State University and study co-author.
"Animals like the scrub-jay that are sensitive to noise learn to avoid particular areas," said Phillips.
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