A PIT-tag system for tracking benthic invertebrates

用于追踪底栖无脊椎动物的 PIT 标签系统

• 批准号: 344961-2007
• 负责人: Scheibling, Robert
• 金额: $ 1.48万
• 依托单位: Dalhousie University
• 依托单位国家: 加拿大
• 项目类别: Research Tools and Instruments - Category 1 (<$150,000)
• 财政年份: 2006
• 资助国家: 加拿大
• 起止时间: 2006-01-01 至 2007-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=325820
• 关键词: PIT; tag; system; tracking; benthic

A biotelemetry system based on Passive Integrated Transponder (PIT) tags will support research proposed in my concurrent application for an NSERC Discovery Grant: Species Invasions and the Ecology of Rocky Subtidal Communities. The research examines large-scale transitions in the structure of shallow seabed communities off Nova Scotia, which are driven by major changes in the abundance of a native herbivore (the sea urchin) and an introduced seaweed species. The primary research goals are to 1) investigate biological interactions and environmental factors that govern these ecosystem "phase shifts", 2) assess effects of native and invasive species on ecosystem structure and dynamics, and 3) develop predictive models to aid in conserving natural resources and native biodiversity. The PIT tag system will be used to track the movements of sea urchins and other bottom-dwelling invertebrates. This will allow us to monitor the rate of recovery of harvested urchin populations by measuring the rate of immigration into experimentally fished areas, and to identify potential sources of immigrants. Tagging also will enable us to track the survival, growth and reproduction of urchins, and the predatory fish and invertebrates and that associate with them, to explore the causes and consequences of animal feeding aggregations in this ecosystem.

基于被动集成应答器（PIT）标签的生物遥测系统将支持我同时申请NSERC发现基金的研究：物种入侵和岩石潮下群落生态。该研究考察了新斯科舍省浅海海底群落结构的大规模转变，这种转变是由本地食草动物（海胆）和引入的海藻物种的丰度发生重大变化所驱动的。主要研究目标是：1)研究控制这些生态系统“相移”的生物相互作用和环境因素；2)评估本地和入侵物种对生态系统结构和动态的影响；3)建立预测模型，以帮助保护自然资源和本地生物多样性。PIT标签系统将用于追踪海胆和其他海底无脊椎动物的活动。这将使我们能够通过测量进入实验捕鱼区域的移民率来监测捕获的海胆种群的恢复速度，并确定移民的潜在来源。标记还将使我们能够追踪海胆的生存、生长和繁殖，以及与之相关的掠食性鱼类和无脊椎动物，以探索这个生态系统中动物觅食聚集的原因和后果。