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Scientific Report

Research in Thermal Biology: Burning Questions for Coldwater Stream Fishes

Abstract

With the increasing appreciation of global warming impacts on ecological systems, in addition to the myriad of land management effects on water quality, the number of literature citations dealing with the effects of water temperature on freshwater fish has escalated in the past decade. Given the many biological scales at which water temperature effects have been studied, and the growing need to integrate knowledge from multiple disciplines of thermal biology to fully protect beneficial uses, we held that a survey of the most promising recent developments and an expression of some of the remaining unanswered questions with significant management implications would best be approached collectively by a diverse research community. We have identified five specific topic areas of renewed research where new techniques and critical thought could benefit coldwater stream fishes (particularly salmonids): molecular, organism, population/species, community and ecosystem, and policy issues in water quality. Our hope is that information gained through examination of recent research fronts linking knowledge at various scales will prove useful in managing water quality at a basin level to protect fish populations and whole ecosystems. Standards of the past were based largely on incipient lethal and optimum growth rate temperatures for fish species, while future standards should consider all integrated thermal impacts to the organism and ecosystem.

Authors

Dale A. McCullough, John M. Bartholow, Henriette I. Jager, Robert L. Beschta, Edward F. Cheslak, Michael L. Deas, Joseph L. Ebersole, J. Scott Foott, Sherri L. Johnson, Keith R. Marine, Matthew G. Mesa, James H. Petersen, Yves Souchon, Kenneth F. Tiffan, and Wayne A. Wurtsbaugh

Citation

McCullough, D.A. et al. 2009. Research in Thermal Biology: Burning Questions for Coldwater Stream Fishes. Reviews in Fisheries Science 17:90-115.

Date

Jan 1st, 2009

Report No.

09-01

Media Type

Journal Article

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