Collaborative Research: T-LEOST (realTime - Larval Environment and Ocean Signal Tracking): An Integrated System for the study of Navigational Cues in the Marine Environment

目前研究幼鱼导航的挑战是对远洋环境中幼鱼感知到的信号进行采样。为了迎接这一挑战，PI？美国计划在新型生物声学技术和概念验证方法的基础上，就地监测幼虫的行为，开发一个集成的实时幼虫环境和海洋信号跟踪（T-LEOST）系统。在幼虫期的早期、离岸较远的地方或夜间，人们对幼虫的方向几乎一无所知。现在很清楚，行为在远洋幼虫的传播中起着至关重要的作用，但涉及幼虫传播的生物学过程在很大程度上仍然未知。分散的幼虫用来确定其游泳方向（方向）的线索序列以及它们如何在空间上变化完全取决于推测。海洋幼虫的取向是理解和模拟沿海生物远洋阶段的一个中心问题。这项拟议中的研究将为解开远洋方向之谜提供重要的线索，从而更好地理解幼虫的扩散和种群的连通性，并提高对它们进行建模的能力。该项目还将作为一个观测系统平台，对了解幼虫使用全套感官线索至关重要，如偏振光、水运动的电接收和其他（磁、热）。我们提出的系统的一个主要好处是能够为现有的海洋观测系统提供记录环境信号的能力，这对成功招募底栖生物物种有意义。更广泛的影响：该项目更广泛的影响在于它有可能对我们理解海洋生物扩散的潜在机制做出有意义的贡献。工作人员将制作教育视频，指导高中生和大学生，并在公共论坛上提供幼鱼游泳的视频。

The current challenge in the study of larval fish navigation is to sample signals as they are perceived by fish larvae in the pelagic environment. To meet this challenge, the PI?s plan to build upon novel bio-acoustic technology and proof of concept methods for monitoring larval behavior in situ, to develop an integrated realTime Larval Environment and Ocean Signal Tracking (T-LEOST) system. Almost nothing is known about the orientation of larvae earlier in the larval phase, far offshore, or at night. It is now clear that behavior can play a crucial role in pelagic larval dispersal, but the biological processes involved in larval dispersal remain largely unknown. The sequence of cues that dispersing larvae use to determine their swimming direction (orientation) and how they vary spatially is entirely subject to speculation. The orientation of marine larvae is a central issue in understanding and modeling the pelagic stage of coastal organisms. The proposed research will supply important pieces of the pelagic orientation puzzle, that will lead to a better understanding of larval dispersal and population connectivity, and an improved ability to model them. The project will also serve as an observing system platform that will be vital in understanding larval use of a full suite of sensory cues, such as polarized light, electroreception of water movement, and other (magnetic, thermal). One of the over-arching benefits of our proposed system is the capacity to provide existing ocean observing systems with recording of environmental signals meaningful to the successful recruitment of benthic species.Broader Impacts: The project's broader impact lies in its potential to contribute meaningfully to our understanding of the mechanisms underlying dispersal in marine organisms. Personnel will produce an educational video, mentor high-school and college students and provide videos of swimming larval fish in public forums.