StreamStats, version 4

Ries, Kernell G.; Newson, Jeremy K.; Smith, Martyn J.; Guthrie, John D.; Steeves, Peter A.; Kolb, Katharine R.; Thompson, Ryan F.; Santoro, Richard D.; Vraga, Hans W.

doi:10.3133/fs20173046

Cited by 56 publications

(33 citation statements)

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“…As an index for pre‐restoration habitat quality, we estimated the pre‐restoration cover of RDV (shrubs and trees) within a 50‐m radius of each sample location using National Agricultural Imagery Program imagery from 2004 to 2014 viewed in ArcGIS (ESRI 2017), and imagery from 2000 to 2015 available in Google Earth (v 7.3.2). As an index of the amount of water flowing through the meadow at sample locations, we used StreamStats Batch Processor version 4.5 to estimate the peak flow at a 2‐year recurrence interval at the nearest primary flow channel to each sample location (Ries et al 2017). We used the 2014 California Basin Characterization Model for the 1981–2010 period (Flint et al 2013) to describe climatic variation across the elevational and latitudinal gradients of sampled meadows over which our focal species' abundance and occurrence are known to vary (Siegel et al 2011).…”

Section: Methodsmentioning

confidence: 99%

Bird response to hydrologic restoration of montane riparian meadows

Campos

Burnett

Loffland

et al. 2020

Restoration Ecology

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Montane riparian meadows foster biodiversity and support critical ecosystem services. A history of exploitation has left most riparian meadows throughout the Mountain West of the United States with incised channels, severely compromising their functionality. Hydrologic restoration of riparian meadows aims to increase overbank flow during spring runoff and elevate groundwater levels in the dry season. Outcome-based evaluations of the dominant meadow restoration methods are lacking and needed to ensure objectives are being met and to guide modifications where needed. We completed 1,282 point count surveys from 2009 to 2017 at 173 sampling locations across 31 montane riparian meadows in California restored using partial channel fill techniques (e.g. pond-and-plug) to evaluate the expected outcome of increased abundance of meadow birds. We analyzed trends in abundance for 12 focal bird species from 1 to 18 years after hydrologic restoration, substituting space for time in our mixed effects Poisson regression models that included covariates for the amount of riparian deciduous vegetation (RDV) before restoration, stream flow, precipitation, and temperature. We found evidence for a positive effect of time since restoration on abundance for 6 of the 12 species. Although pre-restoration RDV cover was the most frequently supported predictor of abundance, high pre-restoration cover of RDV slowed response rates for only two species, suggesting other elements of hydrologic function are also important for meadow birds. Drawing on our results, we provide suggestions for enhancing hydrologic restoration efforts in riparian meadows so that benefits may accrue more quickly to more bird species.

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Section: Methodsmentioning

confidence: 99%

Bird response to hydrologic restoration of montane riparian meadows

Campos

Burnett

Loffland

et al. 2020

Restoration Ecology

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“…The Sandy River descends 471 m to its confluence with the Kennebec River and comprises an excess of 2 300 000 m2 of Atlantic salmon rearing habitat (MDMR 2014). The local gradients (see below) ranged from 0.65-0.71% in the mainstem of the Sandy River, and 1.09-8.88% in the adjacent tributaries (Ries et al 2017).…”

Section: Fish Origin and Study Sitesmentioning

confidence: 99%

Revisiting the restricted movement paradigm: the dispersal of Atlantic salmon fry from artificial redds

Eisenhauer

Christman

Matte

et al. 2021

Can. J. Fish. Aquat. Sci.

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The Restricted Movement Paradigm (RMP) asserts that stream fishes are sedentary, living much of their lives within a single reach. To test the RMP, we implanted eyed Atlantic salmon eggs (Salmo salar L.) into a total of 19 artificial redds, in seven salmon-free streams, in six years, and estimated summer fry dispersal through electrofishing surveys. As expected, most fry dispersed downstream, but an average of 35% moved upstream. Surprisingly, fry moved just as far upstream as downstream (medians = 403 and 404 m, respectively). Fry were larger at lower densities and farther from redd sites, consistent with density-dependent growth, and larger upstream than downstream, possibly indicating that larger fry were better able to move upstream against the current. Dispersal distances were normally distributed around all but two of 19 redds, and half of the downstream dispersal curves were best described by unimodal distributions, consistent with a homogeneous movement strategy. Our data suggest that salmon fry were more mobile and move upstream more than previously thought, which should facilitate their stocking or reintroduction to new habitats.

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“…To determine factors that influenced the magnitude of the flow threshold, we used multiple linear regression. To account for factors that might affect flow magnitude, predictor variables included mean annual precipitation, drainage area and basin slope, which were obtained from StreamStats version 4 (Ries et al, ). Additionally, the mean bankfull width (i.e., the mean for all transects within a reach) was used as a predictor variable because of the strong influence that channel width has on depth‐discharge relationships.…”

Section: Methodsmentioning

confidence: 99%

Flow regimes in coastal California steelhead trout streams: Spatiotemporal patterns in magnitude, duration and timing

Hwan

Holmes

2019

River Research & Apps

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The magnitude, timing and duration of precipitation events can vary considerably across spatial and temporal scales. In lotic ecosystems, such differences in precipitation patterns can strongly influence water availability, which in turn affects the population dynamics of stream biota. Connectivity flow thresholds were developed for the movement of juvenile steelhead trout using hydraulic modelling for 37 coastal California streams. Spatial patterns in magnitude, and spatiotemporal patterns in duration and timing of flows meeting threshold levels were analysed using long-term

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StreamStats, version 4

Cited by 56 publications

References 0 publications

Bird response to hydrologic restoration of montane riparian meadows

Bird response to hydrologic restoration of montane riparian meadows

Revisiting the restricted movement paradigm: the dispersal of Atlantic salmon fry from artificial redds

Flow regimes in coastal California steelhead trout streams: Spatiotemporal patterns in magnitude, duration and timing

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