兽类学报2025，Vol.45Issue(6)：831-841,11.DOI:10.16829/j.slxb.151112
北部湾鲸豚类动物发声规律及影响因素初步分析
Preliminary analysis of vocalization patterns and influencing factors of cetaceans in the Beibu Gulf
摘要
Abstract
Based on the 113-day acoustic data measured in the Beibu Gulf,this paper uses an automatic detection method to detect the click signals of cetaceans in the data,counts the number of signals,and obtains the vocalization patterns of cetaceans during the observation period.Statistical analysis of the number of click signals of cetaceans during the obser-vation period shows that the number of clicks of cetaceans is less in late winter and more in early spring.During the day,it is less and at night,it is more.The influence of hydrological and meteorological factors on the number of click signals of cetaceans during the observation period is analyzed.It is found that the number of click signals of cetaceans is less in late winter and more in early spring.The correlation between sea surface temperature,wind speed,and rain fall and the number of click signals of cetaceans is not obvious,the low-frequency environmental noise is calculated,and it is found that the noise level is high during the day and low at night,which is inversely proportional to the number of click signals of cetaceans during the day and night.This is considered to be caused by the difference in ship noise between day and night.The situation of ship noise during the observation period is analyzed,and it is found that cetaceans' click signals are affected by ships.When ship noise occurs,cetaceans do not vocalize or have fewer vocalizations.Thus,it is con-cluded that cetaceans have a certain avoidance phenomenon towards ships.关键词
鲸豚类动物/回声定位信号/发声次数/影响因素Key words
Cetaceans/Click signals/Frequency of vocalization/Influencing factors分类
生物科学引用本文复制引用
LIU Zongwei,ZHAO Ping,GAO Dezheng,JIANG Ying,CHEN Bingyao,LYU Zhichao,LYU Liangang..北部湾鲸豚类动物发声规律及影响因素初步分析[J].兽类学报,2025,45(6):831-841,11.基金项目
国家自然科学基金(42276196,42206195) （42276196,42206195）
