Laboratory of Applied Bioacoustics, Technical University of Catalonia (UPC), BarcelonaTech, Rambla Exposición s/n, 08800, Vilanova i la Geltrú, Spain.
Statoil Norway, Notodden, Norway.
Sci Rep. 2018 Nov 15;8(1):16882. doi: 10.1038/s41598-018-34624-z.
While the Greenland and Barents Seas are known habitats for several cetacean and pinniped species there is a lack of long-term monitoring data in this rapidly changing environment. Moreover, little is known of the ambient soundscapes, and increasing off-shore anthropogenic activities can influence the ecosystem and marine life. Baseline acoustic data is needed to better assess current and future soundscape and ecosystem conditions. The analysis of a year of continuous data from three passive acoustic monitoring devices revealed species-dependent seasonal and spatial variation of a large variety of marine mammals in the Greenland and Barents Seas. Sampling rates were 39 and 78 kHz in the respective locations, and all systems were operational at a duty cycle of 2 min on, 30 min off. The research presents a description of cetacean and pinniped acoustic detections along with a variety of unknown low-frequency tonal sounds, and ambient sound level measurements that fall within the scope of the European Marine Strategy Framework (MSFD). The presented data shows the importance of monitoring Arctic underwater biodiversity for assessing the ecological changes under the scope of climate change.
虽然格陵兰海和巴伦支海是几种鲸目动物和鳍足类动物的已知栖息地，但在这个快速变化的环境中，长期监测数据的缺乏。此外，人们对环境声音景观知之甚少，越来越多的近海人为活动会影响生态系统和海洋生物。需要基线声学数据来更好地评估当前和未来的声音景观和生态条件。对三个被动声学监测设备连续一年数据的分析显示，格陵兰海和巴伦支海中的各种海洋哺乳动物存在依赖于物种的季节性和空间变化。在各自的位置上采样率为 39 和 78 kHz，所有系统的工作周期为 2 分钟开，30 分钟关。该研究描述了格陵兰和巴伦支海的鲸目动物和鳍足类动物的声学检测，以及各种未知的低频音调声音，以及处于欧洲海洋战略框架 (MSFD) 范围内的环境声级测量。所呈现的数据显示了监测北极水下生物多样性对于评估气候变化范围内的生态变化的重要性。
