Passive acoustic monitoring and visual sighting survey of cetacean occurrence patterns in the Kingdom of Saudi Arabia

IF 2 3区生物学 Q2 MARINE & FRESHWATER BIOLOGY

Marine Mammal Science Pub Date : 2024-02-14 DOI:10.1111/mms.13113

Isla Duporge, Robert Lee, Ameer Eweida, Peter Mackelworth, Sofía Ten, Abdulaziz Alghamdi, Razan Alkhamis, Jesse Cochran, Stephen Lee, Holger Klinck

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Abstract

The available data on occurrence patterns of cetaceans in the Red Sea area of the Kingdom of Saudi Arabia is very limited. The dearth of information is of pressing conservation concern as the coastline is undergoing rapid development as part of the Kingdom's effort to diversify its national economy. To understand how these developments will impact cetaceans in the region, the first large-scale acoustic and visual survey in the Kingdom's part of the Gulf of Aqaba and the northeastern Red Sea was undertaken in 2020. The results of the acoustic surveys reveal 3.6 encounters per 100 km of track line of odontocete species with variable distribution across the study area. No baleen whale vocalizations were detected. Through visual surveys, five odontocete species were identified within the study area: Tursiops truncatus, T. aduncus, Stenella attenuata, S. longirostris, and two opportunistic sightings of a single Grampus griseus.

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沙特阿拉伯王国鲸目动物出现模式的被动声学监测和目视调查

关于沙特阿拉伯王国红海地区鲸目动物出现模式的现有数据非常有限。由于沙特阿拉伯王国正在努力实现国民经济的多样化，海岸线正在经历快速发展，因此信息的匮乏是保护鲸目动物的当务之急。为了了解这些发展将如何影响该地区的鲸类动物，2020 年在沙特阿拉伯王国的亚喀巴湾和红海东北部地区进行了首次大规模声学和视觉调查。声学调查的结果显示，每 100 公里轨道线上有 3.6 次遇到有尾目动物物种，这些物种在整个研究区域的分布各不相同。没有发现须鲸发声。通过目测调查，在研究区域内发现了五种齿鲸：Tursiops truncatus、T. aduncus、Stenella attenuata、S. longirostris，以及两次偶然发现的单体 Grampus griseus。

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来源期刊

Marine Mammal Science 生物-动物学

CiteScore

4.80

自引率

8.70%

发文量

审稿时长

6-12 weeks

期刊介绍： Published for the Society for Marine Mammalogy, Marine Mammal Science is a source of significant new findings on marine mammals resulting from original research on their form and function, evolution, systematics, physiology, biochemistry, behavior, population biology, life history, genetics, ecology and conservation. The journal features both original and review articles, notes, opinions and letters. It serves as a vital resource for anyone studying marine mammals.