Toward efficient riparian restoration: integrating economic, physical, and biological models

Watanabe, Michio; Adams, Richard M.; Wu, Junjie; Bolte, John P.; Cox, Matt; Johnson, Sherri L.; Liss, William J.; Boggess, William G.; Ebersole, Joseph L.

doi:10.1016/j.jenvman.2004.11.005

Cited by 36 publications

(11 citation statements)

References 20 publications

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“…For example, McBride et al (2010) found that stream channels in afforested temperate forests widen at rates of only a few centimeters per year. Watanabe et al (2005) suggests that active restoration is more effective when trying to reach time-sensitive instream restoration objectives or when design parameter success can fluctuate with environmental variability. Based on the identified limiting factors to willow recolonization at Spawn Creek, supplementing riparian areas by planting willows into the recovered, stable, hydrologically reconnected banks may expedite riparian forest development and instream temperature reduction.…”

Section: Discussionmentioning

confidence: 99%

Riparian vegetation communities change rapidly following passive restoration at a northern Utah stream

Hough‐Snee

Roper

Wheaton

et al. 2013

Ecological Engineering

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Section: Discussionmentioning

confidence: 99%

Riparian vegetation communities change rapidly following passive restoration at a northern Utah stream

Hough‐Snee

Roper

Wheaton

et al. 2013

Ecological Engineering

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“…Hann et al 1997;Parks et al 2005 HRV salmon habitat Salmon habitat is impacted by changes in stream temperature and nutrient input from the riparian environment. Ebersole et al 2003;Rieman et al 2003;Watanabe et …”

Section: Rapp 2006mentioning

confidence: 99%

A Bayesian Approach to Landscape Ecological Risk Assessment Applied to the Upper Grande Ronde Watershed, Oregon

Ayre

Landis

2012

Human and Ecological Risk Assessment: An International Journal

107

108

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We present a Bayesian network model based on the ecological risk assessment framework to evaluate potential impacts to habitats and resources resulting from wildfire, grazing, forest management activities, and insect outbreaks in a forested landscape in northeastern Oregon. The Bayesian network structure consisted of three tiers of nodes: landscape disturbances, habitats, and the ecological resources or endpoints of interest to land managers. Nodes at each tier were linked to lower nodes if ecological and spatial relationships existed between them. All parameters had four potential discrete states: zero, low, medium, and high. Our model reliably predicted probable risk to habitats and endpoints from natural and anthropogenic disturbances. The disturbances most likely to transform habitats and effect ecological resources were forest management and wildfire. Of the six habitats, moist forest (characterized by Douglas fir and grand fir) was found to be at greatest risk of ecological impacts. The management endpoint with the highest likelihood of impact was historical range of variability (HRV) for salmon habitat, followed by recreation (hunting native ungulates) and HRV wildfire. We found that the Bayesian approach to ecological risk assessment was a useful method to assess potential impacts to ecological resources resulting from forest management and natural disturbances.

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“…River and riparian restoration efforts are being undertaken throughout the world for many reasons, among them to counteract the loss of floodplain forests, create habitat for endangered species, improve water quality and increase water supply (Hughes & Rood, 2003;Bernhardt et al, 2005;Galatowitsch & Richardson, 2005;Parkyn et al, 2005;Watanabe et al, 2005). Although water and power supply remain the key drivers of river management in south-western United States, many riparian restoration efforts are underway in this region as well (Goodwin, Hawkins & Kershner, 1997).…”

Section: Riparian Restorationmentioning

confidence: 99%

Importance of low‐flow and high‐flow characteristics to restoration of riparian vegetation along rivers in arid south‐western United States

et al. 2007

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Environmental Services, Salt River Project, Tempe, AZ, U.S.A. SUMMARY 1. Riparian vegetation in dry regions is influenced by low-flow and high-flow components of the surface and groundwater flow regimes. The duration of no-flow periods in the surface stream controls vegetation structure along the low-flow channel, while depth, magnitude and rate of groundwater decline influence phreatophytic vegetation in the floodplain. Flood flows influence vegetation along channels and floodplains by increasing water availability and by creating ecosystem disturbance. 2. On reference rivers in Arizona's Sonoran Desert region, the combination of perennial stream flows, shallow groundwater in the riparian (stream) aquifer, and frequent flooding results in high plant species diversity and landscape heterogeneity and an abundance of pioneer wetland plant species in the floodplain. Vegetation changes on hydrologically altered river reaches are varied, given the great extent of flow regime changes ranging from stream and aquifer dewatering on reaches affected by stream diversion and groundwater pumping to altered timing, frequency, and magnitude of flood flows on reaches downstream of flow-regulating dams. 3. As stream flows become more intermittent, diversity and cover of herbaceous species along the low-flow channel decline. As groundwater deepens, diversity of riparian plant species (particularly perennial species) and landscape patches are reduced and species composition in the floodplain shifts from wetland pioneer trees (Populus, Salix) to more drought-tolerant shrub species including Tamarix (introduced) and Bebbia. 4. On impounded rivers, changes in flood timing can simplify landscape patch structure and shift species composition from mixed forests composed of Populus and Salix, which have narrow regeneration windows, to the more reproductively opportunistic Tamarix. If flows are not diverted, suppression of flooding can result in increased density of riparian vegetation, leading in some cases to very high abundance of Tamarix patches. Coarsening of sediments in river reaches below dams, associated with sediment retention in reservoirs, contributes to reduced cover and richness of herbaceous vegetation by reducing water and nutrient-holding capacity of soils. 5. These changes have implications for river restoration. They suggest that patch diversity, riparian plant species diversity, and abundance of flood-dependent wetland tree species such as Populus and Salix can be increased by restoring fluvial dynamics on floodsuppressed rivers and by increasing water availability in rivers subject to water diversion or withdrawal. On impounded rivers, restoration of plant species diversity also may hinge on restoration of sediment transport. 651 6. Determining the causes of vegetation change is critical for determining riparian restoration strategies. Of the many riparian restoration efforts underway in south-western United States, some focus on re-establishing hydrogeomorphic processes by restoring appropriate flows of surface water,...

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Toward efficient riparian restoration: integrating economic, physical, and biological models

Cited by 36 publications

References 20 publications

Riparian vegetation communities change rapidly following passive restoration at a northern Utah stream

Riparian vegetation communities change rapidly following passive restoration at a northern Utah stream

A Bayesian Approach to Landscape Ecological Risk Assessment Applied to the Upper Grande Ronde Watershed, Oregon

Importance of low‐flow and high‐flow characteristics to restoration of riparian vegetation along rivers in arid south‐western United States

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