2014
DOI: 10.1139/cjb-2014-0019
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Interactions of sapsuckers andCytosporacanker can facilitate decline of riparian willows

Abstract: Drought has caused large-scale plant mortality in ecosystems around the globe. Most diebacks have affected upland forest species. In the past two decades, a large-scale decline of riparian willows (Salix L.) has occurred in Rocky Mountain National Park, Colorado. We examined whether climatic or biotic factors drive and maintain the willow community decline. We compared annual growth and dieback of willows inside and outside of 14-year-old ungulate exclosures and measured groundwater depth and predawn xylem pre… Show more

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Cited by 6 publications
(2 citation statements)
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“…At the molecular level, the encoding of plant immune receptors by disease resistance genes involves the synthesis and coordination of cell protein domains that have only partially been characterized [ 6 9 ]. At the ecological scale, pathogen outbreaks often interact with other biotic agents such as insects and vertebrate herbivores that stress tree carbon (C) balance and facilitate pathogen infections through transport or wounding [ 10 13 ]. The co-occurrence of these and other factors such as competition, stand age and drought collectively compromise plant defensive systems and significantly increase vulnerability to diseases [ 14 17 ].…”
Section: Introductionmentioning
confidence: 99%
“…At the molecular level, the encoding of plant immune receptors by disease resistance genes involves the synthesis and coordination of cell protein domains that have only partially been characterized [ 6 9 ]. At the ecological scale, pathogen outbreaks often interact with other biotic agents such as insects and vertebrate herbivores that stress tree carbon (C) balance and facilitate pathogen infections through transport or wounding [ 10 13 ]. The co-occurrence of these and other factors such as competition, stand age and drought collectively compromise plant defensive systems and significantly increase vulnerability to diseases [ 14 17 ].…”
Section: Introductionmentioning
confidence: 99%
“…Peak snowmelt benefits streams by delivering a bank-full flooding pulse that maintains channel size . Willow decline in Rocky Mountain National Park was tied to a decrease in peak streamflows and an increase in moose (Alces alces) populations (Kaczynski et al 2014).…”
Section: Dependence On Specific Hydrological Regime__________________mentioning
confidence: 99%