The relationship between landing site selection and ecological factors in the habitat of spotted seal (Phoca largha) in spring of Liaohe estuary

doi:10.16829/j.slxb.151044

ACTA THERIOLOGICA SINICA ›› 2026, Vol. 46 ›› Issue (4): 604-609.DOI: 10.16829/j.slxb.151044

• SCIENTIFIC NOTES • Previous Articles

The relationship between landing site selection and ecological factors in the habitat of spotted seal (Phoca largha) in spring of Liaohe estuary

PAN Yulong^1,2, QU Liang^1,2, SONG Xiaoli^1,2, ZHAO Sheng^1,2, HUANG Yi^1,2, SUN Peiyan^1,2, TIAN Jiguang³

1 North China Sea Ecological Center of the Ministry of Natural Resources, Qingdao 266033, China;
2 Key Laboratory of Ecological Prewarning and Protection of the Bohai Sea, Ministry of Natural Resources, Qingdao 266033, China;
3 Wetland Protection Association of Panjin, Panjin 124000, China

Received:2024-12-26 Revised:2025-04-14 Published:2026-06-03
Contact: 宋晓丽,E-mail:545260608@qq.com

春季辽河口斑海豹栖息地上岸点选择与生态因子的关系

潘玉龙^1,2, 曲亮^1,2, 宋晓丽^1,2, 赵升^1,2, 黄轶^1,2, 孙培艳^1,2, 田继光³

1 自然资源部北海生态中心, 青岛 266033;
2 自然资源部渤海生态预警与保护修复重点实验室, 青岛 266033;
3 盘锦湿地保护协会, 盘锦 124000

作者简介:潘玉龙（1987-），男，硕士，高级工程师，主要从事海洋生态预警监测工作.E-mail：panyulong@ncs.mnr.gov.cn
基金资助:
自然资源部渤海海峡生态通道野外科学观测研究站开放基金（BH202307）；国家海洋局海洋生态环境科学与工程重点实验室开放基金（MESE-2018-02）

Abstract

Abstract: The spotted seal is a flagship species in the Yellow Sea and Bohai Sea of China, which is of great significance to maintaining the balance of the local ecosystem and species conservation. The habitat of spotted seals in Liaohe estuary is one of the most important places for their rest, fur exchange, and other activities in spring. Understanding the relationship between landing site selection and ecological factors is of great importance in order to provide scientific support to monitor, protect, and manage the habitat of spotted seals. Based on 46 sampling points in spring, this study used Mann-Whitney U test, t test and correlation analysis to analyze the relationship between site selection and ecological factors. The results showed that the highest number of landing spotted seals was 352 on March 21, marking the highest count since records began in the 1980s. In spring, the main ecological factors for the selection of landing sites of spotted seals in the Liaohe estuary include slope, water depth, distance from roads, distance from docks, and distance from the Liaohe estuary. We found a significant positive correlation between the slope and the number of spotted seals. These results can provide a scientific basis for future ecological restoration plans.

Key words: Liaohe estuary, Spotted seal, Landing site selection, Ecological factors, Correlation analysis

关键词: 辽河口, 斑海豹, 上岸点选择, 生态因子, 相关分析

CLC Number:

Q958.1

PAN Yulong, QU Liang, SONG Xiaoli, ZHAO Sheng, HUANG Yi, SUN Peiyan, TIAN Jiguang. The relationship between landing site selection and ecological factors in the habitat of spotted seal (Phoca largha) in spring of Liaohe estuary[J]. ACTA THERIOLOGICA SINICA, 2026, 46(4): 604-609.

潘玉龙, 曲亮, 宋晓丽, 赵升, 黄轶, 孙培艳, 田继光. 春季辽河口斑海豹栖息地上岸点选择与生态因子的关系[J]. 兽类学报, 2026, 46(4): 604-609.

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The relationship between landing site selection and ecological factors in the habitat of spotted seal (Phoca largha) in spring of Liaohe estuary

春季辽河口斑海豹栖息地上岸点选择与生态因子的关系

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