River channel dynamics following extirpation of wolves in northwestern Yellowstone National Park, USA

Beschta, Robert L.; Ripple, William J.

doi:10.1002/esp.1362

Cited by 76 publications

(63 citation statements)

References 39 publications

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“…Cattle grazing is widespread in the upper Grande Ronde River and Catherine Creek watersheds, an activity implicated in increasing channel widths through bank erosion and deposition of fine sediments over the stream channel in other watersheds (Dose and Roper, 1994;Ralph et al, 1994;Knapp et al, 1998;Kondolf et al, 2002). Unnaturally high populations of native ungulates, specifically elk (Cervus canadensis), may also have similar effects due to lack of native predators (i.e., wolves, Canis lupus) that would otherwise reduce ungulate populations (Beschta and Ripple, 2006) or cause behavioral shifts in foraging, reducing grazing impacts to streams (Ripple and Beschta, 2004).…”

Section: Stream Channel Widening Since the 19 Th Centurymentioning

confidence: 99%

Legacies of stream channel modification revealed using General Land Office surveys,with implications for water temperature and aquatic life

White

Justice

Kelsey

et al. 2017

Elementa: Science of the Anthropocene

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White, SM et al 2017 Legacies of stream channel modification revealed using General Land Office surveys, with implications for water temperature and aquatic life. Elem Sci Anth, 5: 3, DOI: https://doi.org/10. 1525/elementa.192 Introduction A major challenge of the Anthropocene-the period in which human activity is the dominant influence on climate and the environment-is to solve the interrelated problems leading to irreversible damage to planetary life support systems. These intertwined problems include human population growth, overconsumption, land use, climate change, and subsequent extinctions to biodiversity and elimination of ecosystem services (Foley et al., 2005; Barnosky et al., 2016). A common approach to forecasting the effects of human activity on the environment is through modeling scenarios of land use change and climate conditions, revealing various possible futures that can be embraced, avoided, or mitigated (Moss et al., 2010;Jantz et al., 2015;Isaak et al., 2016). In order to accomplish this, a comprehensive understanding of past human activities is needed, especially when past actions propagate a legacy extending to the present (Foster et al., 2003). The integrity of rivers and streams is especially vulnerable to human activities because hydrology and water temperature are strongly influenced by climatic effects (Dittmer, 2013) and the landscapes over which they flow (Hynes, 1975; Fausch et al., 2002; Allan, 2004). Streams and rivers provide important ecosystem services including clean and abundant water supply that are difficult to valuate but nonetheless essential (Arthington et al., 2010). Degradation of riverine ecosystems represents an important loss in terms of aquatic biodiversity (Dudgeon et al., 2006) and to people that depend upon rivers for food and other cultural values (Close et al., 2002).Modifications to river ecosystems in Europe, U.S., and other locations across the globe have been well documented. The European subcontinent has experienced land use change-specifically urbanization-since 700 B.C. (Antrop, 2004); these patterns have been manifested in several ways, but primarily as landscape fragmentation (Jaeger et al., 2011) and river channelization (Jurajda, 1995) RESEARCH ARTICLELegacies of stream channel modification revealed using General Land Office surveys, with implications for water temperature and aquatic life Seth M. White * , Casey Justice * , Denise A. Kelsey * , Dale A. McCullough * and Tyanna Smith † Land use legacies can have a discernible influence in present-day watersheds and should be accounted for when designing conservation strategies for riverine aquatic life. We describe the environmental history of three watersheds within the Grande Ronde subbasin of the Columbia River using General Land Office survey field notes from the 19th century. In the two watersheds severely impacted by Euro-American land use, stream channel widths-a metric representing habitat simplification-increased from an average historical width of 16.8 m to an average present width ...

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Section: Stream Channel Widening Since the 19 Th Centurymentioning

confidence: 99%

Legacies of stream channel modification revealed using General Land Office surveys,with implications for water temperature and aquatic life

White

Justice

Kelsey

et al. 2017

Elementa: Science of the Anthropocene

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“…2 in Beschta and Ripple, 2006a). Reach A, the "control" reach, was located upstream of the winter range.…”

Section: Yellowstone National Parkmentioning

confidence: 99%

The role of large predators in maintaining riparian plant communities and river morphology

Beschta

Ripple

2012

Geomorphology

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“…For example, abiotic factors have been found to influence the movement of animals, with Delattre et al (2013) finding that the dispersal distances of meadow brown butterflies were greater across fragmented landscapes at cooler temperatures, but greater across continuous landscapes at warmer temperatures. In extreme instances (such as that observed at Yellowstone National Park), the interaction between elk movement and their selective herbivory on aspen and willow resulted in changes in the river channels and subsequently the surrounding microclimates (Beschta and Ripple 2006). Therefore, future BAM research should not only focus on the individual and combined effects of the three factors, but also identify a clear methodology with which to successfully model the undoubted dynamic relationships between all three factors.…”

Section: Discussionmentioning

confidence: 99%

Incorporating movement in species distribution models

Miller

Holloway

2015

Progress in Physical Geography: Earth and Environment

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Movement in the context of species distribution models (SDMs) generally refers to a species’ ability to access suitable habitat. Movement ability can be determined by some combination of dispersal constraints or migration rates, landscape factors such as patch configuration, disturbance, and barriers, and demographic factors related to age at maturity, mortality, and fecundity. Including movement ability can result in more precise projections that help to distinguish suitable habitat that is or can be potentially occupied, from suitable habitat that is inaccessible. While most SDM studies have ignored movement or conceptualized it in overly simplistic ways (e.g. no dispersal versus unlimited dispersal), it is increasingly important to incorporate realistic information on movement ability, particularly for studies that aim to project future distributions such as climate change forecasting and invasive species applications. This progress report addresses the increasingly complex ways in which movement has been incorporated in SDM and outlines directions for further study.

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River channel dynamics following extirpation of wolves in northwestern Yellowstone National Park, USA

Cited by 76 publications

References 39 publications

Legacies of stream channel modification revealed using General Land Office surveys,with implications for water temperature and aquatic life

Legacies of stream channel modification revealed using General Land Office surveys,with implications for water temperature and aquatic life

The role of large predators in maintaining riparian plant communities and river morphology

Incorporating movement in species distribution models

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