Developing a user-friendly modelling tool to automate production of bioenergetic-based Habitat Suitability Curves for instream flow assessments

开发用户友好的建模工具，以自动生成基于生物能的栖息地适宜性曲线，用于河内流量评估

• 批准号: 490714-2015
• 负责人: Eaton, Brett
• 金额: $ 2.51万
• 依托单位: University of British Columbia
• 依托单位国家: 加拿大
• 项目类别: Collaborative Research and Development Grants
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=619035
• 关键词: Developing; user; friendly; modelling; tool

Streams and rivers provide important opportunities for recreational angling, as well as critical juvenile rearing habitat for the marine salmon fishery that is a major economic driver in British Columbia and elsewhere. However, society exerts strong competing demands for water through hydro power, irrigation, manufacturing, and domestic water supplies; consequently, sound science is needed to predict the consequences of water use and reduced flows on fish production and recreational fisheries. This project will develop a habitat modelling tool to more accurately predict the effects of changing water depth and velocity on juvenile salmon and trout, to decrease uncertainty around the effects of flow reduction on fish production. The modelling tool will predict the energetic consequences of habitat use for fish in terms of the balance between energy intake and energy expenditures (swimming costs), and use this information to develop biological models that more accurately capture the effects of changing flow on fish habitat. Model predictions will be tested based on observed habitat use by juvenile salmon and trout in selected streams. The model will be freely available to resource managers and biologists, and should improve the quality of stream flow management in Canada and elsewhere, in support of maintaining fish production and angling opportunities.

溪流和河流为休闲垂钓提供了重要机会，也为海洋鲑鱼渔业提供了关键的幼鱼饲养栖息地，这是不列颠哥伦比亚省和其他地方的主要经济驱动力。然而，社会通过水电、灌溉、制造业和家庭供水对水施加了强烈的竞争需求；因此，需要健全的科学来预测用水和流量减少对鱼类生产和休闲渔业的影响。该项目将开发一个栖息地模拟工具，以更准确地预测水深和流速变化对鲑鱼幼鱼和鲑鱼的影响，以减少关于流量减少对鱼类产量影响的不确定性。该建模工具将根据能量摄入和能量支出(游泳成本)之间的平衡来预测鱼类栖息地利用的能量后果，并利用这些信息开发生物模型，更准确地捕捉水流变化对鱼类栖息地的影响。模型预测将根据所选溪流中幼年鲑鱼和鲑鱼的栖息地使用情况进行测试。该模式将向资源管理者和生物学家免费提供，并应改善加拿大和其他地方的溪流管理质量，以支持维持鱼类生产和垂钓机会。