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由即时大陆架尺度成像揭示的鱼群和行为
Nicholas C Makris1, Purnima Ratilal, Deanelle T Symonds
1Center for Ocean Science and Engineering, Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA. makris@mit.edu
Science (New York, N.Y.)
|February 4, 2006
概括
一种新的遥感技术利用海洋作为声波导来监测大陆架鱼群. 这种方法提供了前所未有的细节关于鱼群的行为和丰富性在大面积.
科学领域:
- 海洋生态海洋生态学
- 遥感技术是远程传感技术.
- 声学海洋学是一门学科.
背景情况:
- 传统上,大陆架环境的监测采用本地化的直线横断方法.
- 这些方法导致鱼群在时间和空间上的样本不足,导致不完整的数据.
- 现有的方法提供了关于鱼类数量和行为的模两可的记录.
研究的目的:
- 引入和验证一种新的遥感技术,用于监测大陆架鱼群.
- 克服传统低样本方法的局限性.
- 为了实现即时成像和对大型鱼群的持续监测.
主要方法:
- 利用海洋作为声波导来进行遥感.
- 应用一种即时,大面积的海洋环境成像技术.
- 在长时间内对鱼类种群进行持续监测.
主要成果:
- 证明了能够立即在数千平方公里的鱼群中绘制图像的能力.
- 揭示了非常大的鱼群的瞬间水平结构特征.
- 捕获了数以千万计的鱼群的挥发性短期行为.
- 观测到鱼群延伸了许多公里.
结论:
- 开发的遥感技术在研究大陆架鱼类的传统方法上取得了重大进展.
- 这项技术允许对鱼群进行全面,大规模和持续的监测.
- 提供了关于大规模鱼群结构和动态行为的新见解.
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