First satellite tracking of a free-ranging spotted seal (Phoca largha) from the Baengnyeongdo Island

Q3 Agricultural and Biological Sciences Fisheries and Aquatic Sciences Pub Date : 2023-11-01 DOI:10.47853/fas.2023.e59

Hyun Woo Kim, Namgyu Uh, Seulhee Lee

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Abstract

The spotted seal ( Phoca largha ) in the Yellow Sea has declined due to poaching and habitat destruction. To aid conservation efforts, Argos satellite tracking were used to monitor the movements of a free ranging spotted seal around Baengnyeongdo Island. The satellite-transmitting tag successfully attached to the seal provided 1,556 location data collected during 107 days. The seal mostly moved between two haul-out sites, Yeonbong Rock and Mulbeom Rock. From October 6th to December 12th, the seal stayed within a 7 km radius of Yeonbong Rock. However, as the signal was lost, it was not possible to identify when the seal started to migrate from Baengnyeongdo Island to winter breeding area. This study provide understanding into the habitat preferences and movement patterns of spotted seals around Baengnyeongdo Island, contributing to the conservation and management of this species. Further research with more individuals and different age groups is essential to understand their habitat preference and develop effective conservation measures for the spotted seal population in the Yellow Sea.

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首次在白翎岛对自由活动的斑海豹（Phoca largha）进行卫星追踪

由于偷猎和栖息地的破坏，黄海的斑海豹（Phoca largha）数量减少。为了帮助开展保护工作，我们利用 Argos 卫星跟踪技术监测了一只在白翎岛附近自由活动的斑海豹的动向。成功安装在斑海豹身上的卫星传输标签提供了 107 天内收集到的 1556 个位置数据。这只海豹主要在延峰岩和万峰岩两个出没地点之间活动。从 10 月 6 日到 12 月 12 日，这只海豹一直在延峰岩方圆 7 公里的范围内活动。然而，由于信号丢失，无法确定海豹何时开始从白翎岛迁移到冬季繁殖区。这项研究有助于了解斑海豹在白翎岛附近的栖息地偏好和移动模式，有助于该物种的保护和管理。要了解斑海豹的栖息地偏好，并为黄海斑海豹种群制定有效的保护措施，必须对更多个体和不同年龄组的斑海豹开展进一步研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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