• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文学位 >The Effect of Boat Type on Bottlenose Dolphin (Tursiops truncatus) Behavior in the Mississippi Sound
【24h】

The Effect of Boat Type on Bottlenose Dolphin (Tursiops truncatus) Behavior in the Mississippi Sound

机译：船型对密西西比声音中宽吻海豚行为的影响

获取原文
获取原文并翻译 | 示例
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Increases in oceanic shipping are a global phenomenon, and a leading cause of concern for marine animal welfare. While it may be difficult to assess the effect of boat traffic on all species in all contexts, it is vital to report anthropogenic impacts where longitudinal data is available, and doubly so where a dearth of information exists. The purpose of this study is to describe how dolphin behavior changed in the presence of boats in the Mississippi Sound between 2006 and 2012, and more specifically, to detail how different boat types impacted dolphins' behavioral states. This study is unique in its capacity to assess the effect of all major boat types in a given area. Common boat types in the Mississippi Sound were operationally defined as sailboats, recreational boats, fishing boats, shrimp boats, shipping boats, ferries, or patrol boats. Behaviors were grouped into nine behavioral states including feed, social, travel, mill, with boat, rest, other, underwater, and not found. Behavioral states were recorded via an instantaneous scan sampling method. Mixed multivariate analysis of covariance (MANCOVA) tests determined that there was no statistical difference between behavioral states before and after boat events, when boat types were collapsed. However, when boat types were included in analysis, they affected dolphin behavior in significantly different ways. This thesis contributes to the field of difficult-to-assess indirect effects of boat traffic, and provides incentive for researchers to perform inclusive boat traffic surveys in future studies.
机译：海洋运输的增加是一种全球现象，也是引起海洋动物福祉的主要原因。虽然可能难以评估在所有情况下船只通行对所有物种的影响，但在可获得纵向数据的情况下报告人为影响至关重要，而在缺乏信息的情况下则要加倍报告。这项研究的目的是描述2006年至2012年之间在密西西比海声音中有船时海豚的行为是如何变化的，更具体地说，是详细介绍不同类型的船如何影响海豚的行为状态。这项研究在评估给定区域内所有主要船只类型的影响方面的能力是独一无二的。密西西比海峡中常见的船型在操作上被定义为帆船，休闲船，渔船，虾船，运输船，渡轮或巡逻船。行为被分为九种行为状态，包括进食，社交，旅行，磨房，乘船，休息，其他，水下和未发现。通过瞬时扫描采样方法记录行为状态。协方差的混合多变量分析（MANCOVA）测试确定，当船只类型崩溃时，在船只事件之前和之后的行为状态之间没有统计学差异。但是，将船只类型包括在内时，它们以明显不同的方式影响海豚的行为。本论文为难于评估船舶交通间接影响的领域做出了贡献，并为研究人员在将来的研究中进行包容性船舶交通调查提供了动力。

著录项

  • 作者

    Zapetis, Maria.;

  • 作者单位

    The University of Southern Mississippi.;

  • 授予单位 The University of Southern Mississippi.;
  • 学科 Wildlife conservation.;Zoology.;Ecology.
  • 学位 M.A.
  • 年度 2017
  • 页码 59 p.
  • 总页数 59
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号