Search Results - "Isaak, D. J."

Climate change effects on stream and river temperatures across the northwest U.S. from 1980–2009 and implications for salmonid fishes by Isaak, D. J., Wollrab, S., Horan, D., Chandler, G.

“…Thermal regimes in rivers and streams are fundamentally important to aquatic ecosystems and are expected to change in response to climate forcing as the…”
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Fine-scale natal homing and localized movement as shaped by sex and spawning habitat in Chinook salmon: insights from spatial autocorrelation analysis of individual genotypes by NEVILLE, H. M., ISAAK, D. J., DUNHAM, J. B., THUROW, R. F., RIEMAN, B. E.

“…Natal homing is a hallmark of the life history of salmonid fishes, but the spatial scale of homing within local, naturally reproducing salmon populations is…”
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Movement of Northern Squawfish in the Tailrace of a Lower Snake River Dam Relative to the Migration of Juvenile Anadromous Salmonids by Isaak, Daniel J., Bjornn, Theodore C.

“…Movements of transmitter‐equipped northern squawfish Ptychocheilus oregonensis were monitored in the tailrace of Lower Granite Dam during seasonal migrations…”
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Effects of climate change and wildfire on stream temperatures and salmonid thermal habitat in a mountain river network by Isaak, Daniel J, Luce, Charles H, Rieman, Bruce E, Nagel, David E, Peterson, Erin E, Horan, Dona L, Parkes, Sharon, Chandler, Gwynne L

“…Mountain streams provide important habitats for many species, but their faunas are especially vulnerable to climate change because of ectothermic physiologies…”
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Principal components of thermal regimes in mountain river networks by Isaak, Daniel J, Luce, Charles H, Chandler, Gwynne L, Horan, Dona L, Wollrab, Sherry P

“…Description of thermal regimes in flowing waters is key to understanding physical processes, enhancing predictive abilities, and improving bioassessments…”
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Chinook Salmon Use of Spawning Patches: Relative Roles of Habitat Quality, Size, and Connectivity by Isaak, Daniel J., Thurow, Russell F., Rieman, Bruce E., Dunham, Jason B.

“…Declines in many native fish populations have led to reassessments of management goals and shifted priorities from consumptive uses to species preservation. As…”
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Geomorphic controls on salmon nesting patterns described by a new, narrow-beam terrestrial-aquatic lidar by McKean, J.A, Isaak, D.J, Wright, C.W

“…Riverine aquatic biodiversity is rapidly being lost worldwide, but preservation efforts are hampered, in part because studies of these dynamic environments are…”
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Integrating New Technologies into Fisheries Science: The Application of Geographic Information Systems by Isaak, Daniel J., Hubert, Wayne A.

“…Geographic information systems (GIS) is a powerful tool capable of organizing, analyzing, and displaying spatially explicit data, yet it is not being…”
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Habitat Selection and Movement by Individual Cutthroat Trout in the Absence of Competitors by Young, Michael K., Meyer, Kevin A., Isaak, Daniel J., Wilkison, Richard A.

“…If salmonids attempt to optimize their energy gain, then one could assume that all fish with knowledge of a particular environment would occupy the same…”
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A HYPOTHESIS ABOUT FACTORS THAT AFFECT MAXIMUM SUMMER STREAM TEMPERATURES ACROSS MONTANE LANDSCAPES by Isaak, Daniel J., Hubert, Wayne A.

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Nonlinear Response of Trout Abundance to Summer Stream Temperatures across a Thermally Diverse Montane Landscape by Isaak, Daniel J., Hubert, Wayne A.

“…Stream temperature is a fundamental physical factor that affects the distribution and abundance of salmonids, but empirical inconsistencies exist regarding the…”
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Accuracy and Precision of Stream Reach Water Surface Slopes Estimated in the Field and from Maps by Isaak, Daniel J., Hubert, Wayne A., Krueger, Kirk L.

“…The accuracy and precision of five tools used to measure stream water surface slope (WSS) were evaluated. Water surface slopes estimated in the field with a…”
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A Live‐Bucket for Use in Surveys of Small Streams by Isaak, Daniel J., Hubert, Wayne A.

“…Conventional equipment and methods used to hold fish during surveys of small streams are either cumbersome or cause injury and kill fish. We designed a…”
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Factors Affecting Allopatric and Sympatric Occurrence of Two Sculpin Species across a Rocky Mountain Watershed by Quist, M C, Hubert, WA, Isaak, D J

“…We assessed factors related to the occurrence of allopatric and sympatric Paiute Sculpin (Cottus beldingi) and Mottled Sculpin (Cottus bairdi) in the Salt…”
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Factors Affecting Allopatric and Sympatric Occurrence of Two Sculpin Species across a Rocky Mountain Watershed by Quist, Michael C, Hubert, Wayne A, Isaak, Daniel J

“…We assessed factors related to the occurrence of allopatric and sympatric Paiute Sculpin (Cottus beldingi) and Mottled Sculpin (Cottus bairdi) in the Salt…”
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