船只扰乱了瓶鼻海豚在活跃的船舶通道中的行为和运动
Eliza M M Mills1, Sarah Piwetz1, Dara N Orbach1
1Department of Life Sciences, Texas A&M University-Corpus Christi, Corpus Christi, TX 78412, USA.
Animals : an open access journal from MDPI
|November 25, 2023
概括
在科普斯克里斯蒂海峡的大量船只流量会影响海豚的行为. 这项研究强调了需要监测人类活动,以保护繁忙港口的海豚 (Tursiops truncatus).
科学领域:
- 海洋生物学 海洋生物学
- 野生动物保护 野生动物保护
- 环境科学 环境科学
背景情况:
- 科普斯克里斯蒂港是主要的石油出口国,全年都有大量的船舶流量.
- 这种工业活动对当地海洋哺乳动物种群,特别是普通鼻海豚 (Tursiops truncatus) 的影响尚不清楚.
研究的目的:
- 评估在科普斯克里斯蒂海运通道 (CCSC) 中常见的瓶鼻海豚的行为状态和运动模式.
- 为了确定船只流量和海豚在这个繁忙的港口环境中的行为之间的关系.
主要方法:
- 基于岸上的数字理论仪和自动识别系统 (AIS) 接收器被用来收集数据.
- 用多项逻辑回归和通用添加模型进行数据分析.
- 在80%的观测中,在海豚300米以内记录了船只的存在.
主要成果:
- 海豚经常表现出寻找食物 (40%),旅行 (24%),社交 (15%) 和磨粉 (14%) 的行为.
- 季节,白天的时间,群体大小,船只类型,船只大小和船只数量显著预测了海豚的行为状态.
- 海豚的运动模式受到季节,一天的时间,群体大小,小牛的存在,船只类型和船只数量的影响.
结论:
- 海洋保护中心是海豚的重要食区,但高工业活动带来了干扰和伤害的风险.
- 迫切需要监测活跃的航运道中对联邦保护的海豚的人类影响.
- 这些发现对全球其他主要港口的海豚保护有着广泛的影响.
关键词:
科尔帕斯克里斯蒂船只航道美国德克萨斯州德克萨斯州图尔西奥普斯 (Tursiops truncatus) 是一个长的植物.人类活动是人类活动.自动识别系统自动识别系统行为状态 行为状态玻璃鼻海豚 玻璃鼻海豚运动运动运动运动运动运动.随着theodolite的跟踪,可以找到它们的位置.船舶活动 船舶活动更多相关视频
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