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Novel attachment methods for assessing activity patterns using triaxial accelerometers on stingrays in the Bahamas

机译：使用三轴加速度计在巴哈马的黄貂鱼上评估活动模式的新型附着方法

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The use of bio-logging devices is important for describing behaviour, energy expenditure and activity budgets of cryptic marine organisms. In stingrays, the physical deployment of bio-logging devices is challenging due to their lack of raised structures or hard tissue for attachment. Previous studies have used a range of attachment techniques on various locations, including the pectoral musculature of the discs, spiracular cartilage or tail musculature. For devices such as accelerometers that capture precise animal movement, appropriate attachment and retention are important for collecting data that are representative of animal movement. Here, we detail a novel attachment method for bio-logging devices on stingrays using triaxial accelerometers that were attached through the musculature at the base of the tail of ten wild southern stingrays (Hypanus americanus). Data returned upon recapture suggest that stingrays exhibited active and non-active states and had the highest activity levels (vector sum acceleration) during the night with no apparent tide-associated activity patterns. Tag retention was 100% for all recaptured individuals (n=8), with deployments lasting from 13 to 212 days. Wounds associated with the tagging process were completely healed for individuals that were recaptured after tag removal (n=3). High rates of tag retention, usability and ecological significance of retrieved data, and complete healing following tag removal suggest that the methods described herein should be considered when attaching small bio-logging devices to large demersal rays for short- (weeks)-to-medium-term (months) studies.
机译：使用生物测井仪对于描述神秘海洋生物的行为，能源消耗和活动预算非常重要。在黄貂鱼中，生物测井设备的物理部署具有挑战性，因为它们缺乏凸起的结构或难以附着的硬组织。先前的研究已经在各种位置上使用了多种附着技术，包括椎间盘的胸肌，睫状软骨或尾部肌肉。对于诸如加速度计之类的捕获精确动物运动的设备，适当的附着和保持对于收集代表动物运动的数据很重要。在这里，我们详细介绍了一种新的附着方法，该方法使用三轴加速度计将肌肉上的测井设备附着在黄貂鱼上，该三轴加速度计通过肌肉系统附着在十只野生南部黄貂鱼（Hypanus americanus）的尾巴底部。重新捕获后返回的数据表明，黄貂鱼在夜间表现出活跃状态和非活跃状态，并具有最高的活动水平（矢量和加速度），没有明显的与潮汐相关的活动模式。所有重新捕获的个体的标签保留率为100％（n = 8），部署持续13天至212天。对于在去除标签后重新捕获的个体，完全消除了与标记过程相关的伤口（n = 3）。标签保留率高，检索到的数据的可用性和生态意义以及标签移除后的完全愈合表明，在短（几周）到中等距离将小型生物记录设备连接到大型深海射线时，应考虑本文所述的方法学期（月）研究。

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  • 来源
    《Marine biology》 |2019年第5期|53.1-53.8|共8页
  • 作者

    Ward Chris R. E.; Bouyoucos Ian A.; Brooks Edward J.; OShea Owen R.;

  • 作者单位

    Cape Eleuthera Inst, Shark Res & Conservat Program, Rock Sound, Eleuthera, Bahamas|Univ New Brunswick, Dept Forestry & Environm Management, Fredericton, NB, Canada;

    James Cook Univ, Australian Res Council Ctr Excellence Coral Reef, Townsville, Qld, Australia;

    Cape Eleuthera Inst, Shark Res & Conservat Program, Rock Sound, Eleuthera, Bahamas;

    Cape Eleuthera Inst, Shark Res & Conservat Program, Rock Sound, Eleuthera, Bahamas|CORE, Gregory Town, Eleuthera, Bahamas;

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