Riparian and aquatic habitats of the Pacific Northwest and southeast Alaska: ecology, management history, and potential management strategies.

Northwest, Pacific; Everest, Fred H.; Reeves, Gordon H.

doi:10.2737/pnw-gtr-692

Cited by 14 publications

(5 citation statements)

References 126 publications

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“…We attribute the high mean volume found in regenerating stands primarily to the prevalence of insect-killed trees, in stands where most of the live and dead volume present in the preceding stand is preserved through the regeneration cycle. When comparing inventory data from -2007, Thompson (2009 found that mortality rates had increased ten-fold in lodgepole pine stands in Colorado. Current Forest Inventory and Analysis data reflect similar increases in other Interior West states.…”

Section: Temporal Patterns Within Forest Typesmentioning

confidence: 99%

“…Standing and downed dead trees are key elements of forest and woodland structure (Marzano et al 2013), which are important components of habitat for wildlife species including amphibians, birds and mammals (e.g., Bull et al 1997, Sturtevant et al 1997, Bunnell et al 2002, Bednarz et al 2004. Similarly, deadwood in all its forms and sizes (leaves, twigs, logs) is a key input to aquatic systems (e.g., Bilby and Ward 1991, Richmond and Fausch 1995, Gurnell et al 2002, Everest and Reeves 2007. Deadwood dynamics of woodlands and forests play key roles in carbon sequestration and disturbance regimes, and understanding these dynamics will be central to predictions of changes in such processes under alternative management and climate futures.…”

Section: Introductionmentioning

confidence: 99%

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Environmental drivers of deadwood dynamics in woodlands and forests

et al. 2015

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Abstract. Deadwood dynamics play a key role in many forest ecosystems. Understanding the mechanisms involved in the accumulation and depletion of deadwood can enhance our understanding of fundamental processes such as carbon sequestration and disturbance regimes, allowing better predictions of future changes related to alternative management and climate scenarios. A conceptual framework for deadwood dynamics has been generally accepted but has not been broadly tested with empirical data. We used a large (n ¼ 6191) data set containing measurements of live and standing dead trees, and downed woody material, representing numerous woodland and forest types from throughout the Interior Western USA, to assess relationships between environmental factors and basic elements of forest structure, with particular focus on the various components of deadwood (i.e., fine woody debris, litter, duff and large deadwood, both standing and downed). Environmental gradients emerged as the most influential factors determining structure and deadwood dynamics of these diverse vegetation types. We found that dead components are approximately proportional to the live component and that all of the various components of structure can be ordered as a function of climatic gradients representing temperature and moisture. The postulate that maximum accumulation of biomass is associated with intermediate values of temperature and moisture was only partially supported by our results, indicating that conceptualizations of deadwood dynamics must be considered in the context of the particular disturbance regimes (e.g., fire, insect outbreaks, wind) most commonly associated with particular woodland and forest types. These findings are relevant to a wide range of applications, from ecosystem modeling to development of resource management plans under alternative future climates.

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Section: Temporal Patterns Within Forest Typesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Environmental drivers of deadwood dynamics in woodlands and forests

et al. 2015

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“…Most guidelines for protection and management of riparian resources have been developed to comply with four Federal laws: the National Environmental Policy Act (NEPA) of 1969; the Clean Water Act (CWA) of 1972; the Endangered Species Act (ESA) of 1973; and the National Forest Management Act of 1976 (NFMA; Everest and Reeves 2006;Suzuki and Olson 2007). NEPA established procedural requirements for all Federal agencies to prepare environmental assessments (EAs) and environmental impact statements (EISs), which evaluate the ecological effects of proposed management actions.…”

Section: Management Of Riparian Resourcesmentioning

confidence: 99%

Riparian fuel treatments in the western USA: Challenges and considerations

Dwire¹,

Meyer²,

Riegel³

et al. 2016

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“…Reducing deforestation and maintaining riparian and vegetative cover can in turn reduce the risk of flooding and erosion, increase water retention potential, slow water flows, and increase direct shading and cooling to support temperature regulation (Evans et al, 1996;Everest and Reeves, 2006;Gregg et al, 2011). Reducing deforestation and maintaining riparian and vegetative cover can in turn reduce the risk of flooding and erosion, increase water retention potential, slow water flows, and increase direct shading and cooling to support temperature regulation (Evans et al, 1996;Everest and Reeves, 2006;Gregg et al, 2011).…”

Section: Reduce Local Climate or Related Changementioning

confidence: 99%