The importance of warm habitat to the growth regime of cold-water fishes

Armstrong, Jonathan B.; Fullerton, Aimee H.; Jordan, Chris E.; Ebersole, Joseph L.; Bellmore, J. Ryan; Arisméndi, Iván; Penaluna, Brooke E.; Reeves, Gordon H.

doi:10.1038/s41558-021-00994-y

Cited by 93 publications

(90 citation statements)

References 61 publications

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“…Growth rates increased upstream where cooler temperatures reduced metabolic costs and prey rations were higher, despite high fish densities in some upstream locations (e.g., UGR). Fish growth shifted seasonally within the longitudinal profiles of these streams which provides empirical support of modelling efforts predicting seasonal growth reversals as temperatures changed (Armstrong et al, 2021). As a result of seasonal growth patterns and emergence phenology, juveniles in downstream sections accrued the majority of growth in spring whereas those in cooler upstream sections accrued the majority of growth in summer.…”

Section: Seasonal Contributions To Growth and Productionmentioning

confidence: 60%

“…Most freshwater biota are poikilotherms, and temperature exerts strong control on growth potential as it exponentially increases metabolic costs and has a dome-shaped effect on digestive capacity, which sets maximum consumption rates. From these relationships, spatial heterogeneity in temperature can be translated into spatial heterogeneity in growth potential (Brandt et al, 1992;Sloat et al, 2005), yielding optimal temperatures for growth that shift seasonally throughout a watershed (Armstrong et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

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Temperature, emergence phenology and consumption drive seasonal shifts in fish growth and production across riverscapes

Kaylor

Justice

Armstrong

et al. 2021

Journal of Animal Ecology

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1. Changes in biophysical conditions through time generate spatial and temporal variability in habitat quality across landscapes. For river ecosystems, researchers are increasingly able to characterize spatial and temporal patterns in habitat conditions, referred to as shifting habitat mosaics, yet rarely demonstrate how this translates into corresponding biological processes such as organism growth and production.

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Section: Seasonal Contributions To Growth and Productionmentioning

confidence: 60%

Section: Introductionmentioning

confidence: 99%

Temperature, emergence phenology and consumption drive seasonal shifts in fish growth and production across riverscapes

Kaylor

Justice

Armstrong

et al. 2021

Journal of Animal Ecology

Self Cite

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“…In the conclusion, we consider how these differences change the way we think about and conduct decision support for river management. (Armstrong et al, 2021;Railsback & Rose, 1999).…”

Section: How Instream Differs From Other Modelsmentioning

confidence: 99%

InSTREAM 7: Instream flow assessment and management model for stream trout

Railsback

Ayllón

Harvey

2021

River Research & Apps

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Mechanistic, individual-based simulation models have been used for >25 years to overcome well-known limitations of "habitat suitability" models. InSTREAM 7 is the latest of our individual-based models for predicting the effects of flow and temperature regimes on stream salmonid populations. Unlike PHABSIM (or other methods based on habitat "quality," e.g., as net rate of energy intake), inSTREAM mechanistically represents specific effects of flow and temperature on all life stages, and how those effects combine into testable predictions of population measures such as abundance, relative abundance of multiple trout species, and persistence. InSTREAM 7 is the first version to also represent the daily light cycle (dawn, day, dusk, and night) and how feeding, predation risk, and individual behavior vary among light phases. An example assessment illustrates the importance of inSTREAM's multiple mechanisms: predicted trout population response to flow and temperature regimes depended on the effects of sub-lethal temperatures on feeding behavior and effects of temperature on egg survival and development, as well as how depth and velocity affected growth and predation risk. While its input data requirements are comparable to PHABSIM's, inSTREAM provides a more comprehensive framework for thinking about and predicting specific, well-known effects of flow and temperature. It has also proven useful for designing and evaluating restoration projects and for prioritizing alternative management actions. InSTREAM 7 is free, open-source, completely updated with recent literature, and implemented in the popular NetLogo software platform that makes customization easy.

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“…Water temperature has long been recognized as an important aquatic environmental variable [1][2][3] that directly and indirectly affects numerous ecological processes [4][5][6] and as such is regulated in the United States under the Clean Water Act, Section 303 (d) [7,8]. Increasing water temperature values and variability are known to induce thermal stress in aquatic species that can affect growth, reproductive success, and mortality [9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

“…(3) The greater the percentage tree canopy within the loggershed, the lower the frequency and duration of exceedance of water temperature stress threshold values, magnitude of change in water temperature, and variability of water temperature; (4) The greater the percentage impervious surface within the loggershed, the greater the frequency and duration of exceedance of water temperature stress threshold values, magnitude of change in water temperature, and variability of water temperature; (5) Land cover quantified within wider, 30 m riparian areas along both sides of the stream network at the loggershed scale will have a greater effect on water temperature than narrower, 5 m riparian areas; and (6) The greater the length of stormwater pipes (km) in the loggershed, the greater the water temperature variability.…”

Section: Introductionmentioning

confidence: 99%

Riparian Land Cover, Water Temperature Variability, and Thermal Stress for Aquatic Species in Urban Streams

Timm

Ouellet

Daniels

2021

Water

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Thermal regime warming and increased variability can result in human developed watersheds due to runoff over impervious surfaces and influence of stormwater pipes. This study quantified relationships between tree canopy, impervious surface, and water temperature in stream sites with 4 to 62% impervious land cover in their “loggersheds” to predict water temperature metrics relevant to aquatic species thermal stress thresholds. This study identified significant (≥0.7, p < 0.05) negative correlations between water temperature and percent tree canopy in the 5 m riparian area and positive correlations between water temperature and total length of stormwater pipe in the loggershed. Mixed-effects models predicted that tree canopy cover in the 5 m riparian area would reduce water temperatures 0.01 to 6 °C and total length of stormwater pipes in the loggershed would increase water temperatures 0.01 to 2.6 °C. To our knowledge, this is the first time that the relationship between stormwater pipes and water temperature metrics has been explored to better understand thermal dynamics in urban watersheds. The results highlight important aspects of thermal habitat quality and water temperature variability for aquatic species living in urban streams based on thermal thresholds relevant to species metabolism, growth, and life history.

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The importance of warm habitat to the growth regime of cold-water fishes

Cited by 93 publications

References 61 publications

Temperature, emergence phenology and consumption drive seasonal shifts in fish growth and production across riverscapes

Temperature, emergence phenology and consumption drive seasonal shifts in fish growth and production across riverscapes

InSTREAM 7: Instream flow assessment and management model for stream trout

Riparian Land Cover, Water Temperature Variability, and Thermal Stress for Aquatic Species in Urban Streams

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