Movement of fish and elasmobranchs in Moreton Bay 2012-onwards

Information was collected on the movement patterns of fish and elasmobranchs in Logan, and Albert River as well as southern Moreton Bay, using an underwater sensor array. Data were collected to assess the long term movement of fish and sharks in the Logan and Albert River with a primary focus on the influence of water flows. Project objectives included:- Establish an array of acoustic receivers in the Logan and Albert River.- Determine the spatial and temporal habitat usage and movement of teleosts and elasmobranchs as important predatory species.- Use spatial and temporal habitat usage and movement patterns to assess the influence of water quality, urbanisation and freshwater flows.Acoustic tags with individually unique sound signatures were implanted into 80 teleost fish and elasmobranchs. A network of acoustic receivers recorded and stored the date and time of individual animals, which was used to monitor their movements. The majority of the receivers were based in the Logan and Albert River system, but a smaller number were also deployed within Moreton Bay.

使用水下传感器阵列，在Logan河、Albert河以及Moreton湾南部收集了鱼类和软骨鱼纲（elasmobranchs）的移动模式信息。收集数据旨在评估Logan河和Albert河中鱼类和鲨鱼的长期移动，重点关注水流的影响。

项目目标包括：
- 在Logan河和Albert河建立声学接收器（acoustic receivers）阵列。
- 确定硬骨鱼（teleosts）和软骨鱼纲作为重要捕食性物种的空间与时间栖息地利用及移动规律。
- 利用空间与时间栖息地利用及移动模式，评估水质、城市化和淡水流量的影响。

具有独特个体声音特征的声学标签（acoustic tags）被植入80条硬骨鱼和软骨鱼纲动物体内。声学接收器网络记录并存储了个体动物的日期和时间信息，用于监测其移动。大部分接收器部署在Logan和Albert河流系统中，少数也部署在Moreton湾内。