Food web perspectives and methods for riverine fish conservation

IF 6.8 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES Wiley Interdisciplinary Reviews: Water Pub Date : 2022-04-11 DOI:10.1002/wat2.1590
S. Naman, S. White, J. Bellmore, P. Mchugh, Matthew J. Kaylor, C. Baxter, R. Danehy, R. Naiman, A. Puls
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引用次数: 7

Abstract

Food web analyses offer useful insights into understanding how species interactions, trophic relationships, and energy flow underpin important demographic parameters of fish populations such as survival, growth, and reproduction. However, the vast amount of food web literature and the diversity of approaches can be a deterrent to fisheries practitioners engaged in on‐the‐ground research, monitoring, or restoration. Incorporation of food web perspectives into contemporary fisheries management and conservation is especially rare in riverine systems, where approaches often focus more on the influence of physical habitat and water temperature on fish populations. In this review, we first discuss the importance of food webs in the context of several common fisheries management issues, including assessing carrying capacity, evaluating the effects of habitat change, examining species introductions or extinctions, considering bioaccumulation of toxins, and predicting the effects of climate change and other anthropogenic stressors on riverine fishes. We then examine several relevant perspectives: basic food web description, metabolic models, trophic basis of production, mass‐abundance network approaches, ecological stoichiometry, and mathematical modeling. Finally, we highlight several existing and emerging methodologies including diet and prey surveys, eDNA, stable isotopes, fatty acids, and community and network analysis. Although our emphasis and most examples are focused on salmonids in riverine environments, the concepts are easily generalizable to other freshwater fish taxa and ecosystems.
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河流鱼类保护的食物网展望与方法
食物网分析为了解物种相互作用、营养关系和能量流如何支撑鱼类种群的重要人口参数(如生存、生长和繁殖)提供了有用的见解。然而,大量的食物网文献和方法的多样性可能会阻碍从事实地研究、监测或恢复的渔业从业者。在河流系统中,将食物网观点纳入当代渔业管理和养护尤其罕见,因为河流系统的方法往往更多地关注自然生境和水温对鱼类种群的影响。在这篇综述中,我们首先讨论了食物网在几个常见渔业管理问题中的重要性,包括评估承载能力,评估栖息地变化的影响,检查物种引进或灭绝,考虑毒素的生物积累,以及预测气候变化和其他人为压力源对河流鱼类的影响。然后,我们研究了几个相关的观点:基本食物网描述、代谢模型、生产的营养基础、质量丰度网络方法、生态化学计量学和数学模型。最后,我们重点介绍了几种现有的和新兴的方法,包括饮食和猎物调查、eDNA、稳定同位素、脂肪酸、社区和网络分析。虽然我们的重点和大多数例子都集中在河流环境中的鲑鱼,但这些概念很容易推广到其他淡水鱼分类群和生态系统。
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来源期刊
Wiley Interdisciplinary Reviews: Water
Wiley Interdisciplinary Reviews: Water Environmental Science-Ecology
CiteScore
16.60
自引率
3.70%
发文量
56
期刊介绍: The WIREs series is truly unique, blending the best aspects of encyclopedic reference works and review journals into a dynamic online format. These remarkable resources foster a research culture that transcends disciplinary boundaries, all while upholding the utmost scientific and presentation excellence. However, they go beyond traditional publications and are, in essence, ever-evolving databases of the latest cutting-edge reviews.
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