ENN新闻精粹2017年5月4日大自然正在失去其自身应有的平静。一项新研究发现,自然界的声音正逐渐被人类活动产生的噪声淹没,连保护区也不例外。科学家从美国保护区中的492个地点共录下超过100万小时的声音,发现在其中2/3的地点,人类活动噪声是背景声音的两倍。有1/5的保护区人类噪声甚至是背景音的10倍。人类活动噪声不仅影响野生动 ENN News April 4, 2017 Nature is losing its own calming demeanor. A new study found that the sounds of nature are gradually being overwhelmed by the noise generated by human activities, even protected areas are no exception. Scientists recorded more than 1 million hours of sound from 492 locations in the US Sanctuary and found that at two-thirds of the sites, human activity was twice as loud as background noise. One-fifth of the protected area’s human noise is even 10 times the background sound. Human activity noise not only affects wild animals