Applying the metabolic theory of ecology to estimate the productivity of inland fish communities

应用生态学代谢理论估算内陆鱼类群落的生产力

• 批准号: 494065-2016
• 负责人: Jackson, Donald
• 金额: $ 13.97万
• 依托单位: University of Toronto
• 依托单位国家: 加拿大
• 项目类别: Strategic Projects - Group
• 财政年份: 2016
• 资助国家: 加拿大
• 起止时间: 2016-01-01 至 2017-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=602976
• 关键词: Applying; metabolic; theory; ecology; estimate

Since 1868 the federal government of Canada has upheld environmental legislation to protect fish and their habitats. In 2012, revised wording of the Fisheries Act shifted legislation from the protection of fish habitat to the protection of fisheries productivity. The Act now requires that proposed development projects quantify and offset potential impacts on productivity. Quantifying the impacts of development remains a challenge and presents an opportunity for industry, government, and academia to develop tools that explicitly link productivity to habitat and offsetting practices. Concurrently, there is a need to account for the mounting impacts of climate change on fisheries resources. The Metabolic Theory of Ecology (MTE), proposed in the early 2000s, is a promising framework to address these needs. Its equations can estimate ecologically important parameters such as population growth rates and interspecific interactions using mainly the body sizes of members of a community and temperature. While the framework was intended to be used purely for basic science, over the last decade it has been increasingly incorporated in applied management of natural resources, especially in the context of monitoring ocean fisheries. However, it has not been applied as readily across landscapes (e.g. management of a group of inland lakes) or as a predictive tool to estimate the fish productivity of aquatic habitats. This proposal addresses this challenge and uses MTE as a framework to address some fundamental ecological questions on how human activities, climate change, habitat quality, and community composition influence body size, population growth rates, and overall fish productivity in Canada's lakes and rivers. This proposal gathers scientific and management expertise from across academia, industry and government to ensure that the models developed have both applied relevance to Canada's regulatory landscape, as well as contribute to important questions within the fields of the Fisheries, Aquatic Sciences, the Metabolic Theory of Ecology and Spatial Ecology.

自1868年以来，加拿大联邦政府一直坚持环境立法，以保护鱼类及其栖息地。2012年，《渔业法》的修订措辞将立法从保护鱼类栖息地转向保护渔业生产力。该法案现在要求拟议的发展项目量化和抵消对生产力的潜在影响。量化发展的影响仍然是一个挑战，并为工业界，政府和学术界提供了一个机会，以开发明确将生产力与栖息地和抵消做法联系起来的工具。与此同时，有必要考虑气候变化对渔业资源日益严重的影响。21世纪初提出的生态学代谢理论（MTE）是解决这些需求的一个有前途的框架。它的方程可以估计生态学上重要的参数，如种群增长率和种间相互作用，主要利用群落成员的身体大小和温度。虽然该框架的目的是纯粹用于基础科学，但在过去十年中，它越来越多地被纳入自然资源的应用管理，特别是在监测海洋渔业方面。然而，它还没有被应用为容易跨景观（如一组内陆湖泊的管理）或作为一个预测工具，以估计水生生境的鱼类生产力。该提案解决了这一挑战，并使用MTE作为一个框架，以解决一些基本的生态问题，人类活动，气候变化，栖息地质量和社区组成如何影响身体大小，人口增长率和整体鱼类生产力在加拿大的湖泊和河流。该提案收集了来自学术界，工业界和政府的科学和管理专业知识，以确保开发的模型既适用于加拿大的监管环境，又有助于解决渔业，水产科学，生态学代谢理论和空间生态学领域的重要问题。