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While the effects of noise pollution have been observed in humans and animals, a new study shows its effect on plants - and it might be more persistent than observed anywhere else.
IMAGE: Pinyon pine seedling counted during vegetation surveys.
Image:
Photo by Sarah Termondt
Though noise may change moment by moment for humans, it has a more lasting effect on trees and plants.
A new Cal Poly study reveals that human noise pollution affects the diversity of plant life in an ecosystem even after the noise has been removed. This is the first study that explores the long-term effects of noise on plant communities. It was published in the
Proceedings of the Royal Society B.
In a study conducted twelve years ago near natural gas wells in New Mexico, researchers found that there were 75% fewer piñon pine seedlings in noisy sites as in quiet ones. This was most likely due to the noise driving away the Woodhouse s scrub jay, which plants thousands of pine seeds while storing them to eat during the winter months.
Nala Rogers, Staff Writer
(Inside Science) The effects of noise can reach organisms without ears. Because of the way living things rely on each other, noise pollution may actually stop some forests from growing, a new study suggests. In a New Mexico woodland dominated by pinyon pine and juniper trees, researchers found far fewer tree seedlings in noisy sites than they did in quiet ones.
The study raises questions about the future of the area. If the noise stays there long term, are we going to see the slow-motion transition from a pinyon-pine forest to more of a scrubland, and lose this important ecosystem of the pinyon pine which supports so much wildlife? said Jennifer Phillips, a behavioral ecologist at Texas A&M University-San Antonio.
Wooden debris show remainings of the original location of the former tree house where Britain’s Queen Elizabeth II of England stayed the night her father, the King, died and became Queen in 1952, at the opposite side of the current building at Treetops Lodge in Aberdare Narional Park in Nyeri, Kenya, on April 10, 2021. (Photo by Yasuyoshi CHIBA / AFP)
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. x
Manmade noise from construction, industry and the building of infrastructures such as roads and pipelines has increased dramatically since the middle of last century, and biologists are increasingly concerned about their impact on plants and animals.