2012
DOI: 10.1007/s10530-012-0182-4
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The influence of chilling requirement on the southern distribution limit of exotic Russian olive (Elaeagnus angustifolia) in western North America

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Cited by 19 publications
(14 citation statements)
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“…, Guilbault et al. ); more frequent high heat and/or drought events might also be involved. In a recent comprehensive literature review on the range‐limiting dynamics at warm‐edge margins (Cahill et al.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…, Guilbault et al. ); more frequent high heat and/or drought events might also be involved. In a recent comprehensive literature review on the range‐limiting dynamics at warm‐edge margins (Cahill et al.…”
Section: Discussionmentioning
confidence: 99%
“…Range margins at low latitudes and altitudes, lacking cold temperatures as a limiting constraint, have been hypothesized to be limited instead by biotic interactions such as competition (MacArthur 1972, Kaufman 1995, Loehle 1998). Alternatively, it has been suggested that the lack of cold temperatures to meet chilling requirements might itself be limiting (Cannell and Smith 1986, Sykes et al 1996, Guilbault et al 2012); more frequent high heat and/or drought events might also be involved. In a recent comprehensive literature review on the rangelimiting dynamics at warm-edge margins (Cahill et al 2014), no broadly shared constraint emerges: while there is evidence to support competition as the primary mechanism (e.g., Bullock et al 2000, Cleavitt 2004, Dickinson et al 2007), other studies support climate limitation through a variety of mechanisms (e.g., Macias et al 2006 [aridity], Offord 2011 [frost damage, heat stress], Guilbault et al 2012 [chilling requirements]).…”
Section: Range-limiting Factors At the Southern Marginmentioning
confidence: 99%
“…The most abundant non-native tree species on the Verde River was Russian olive. Russian olive was the most abundant non-native tree in this area probably due to the higher elevation in the upper-middle Verde River, resulting in cold winter temperatures that meet Russian olive's chilling requirement for seed germination and bud break (Guilbault, 2011;Shafroth and others, 2010a). The phenological (seasonal lifecycle) and reproductive needs of Russian olive are not well understood; however, it is known to spread rapidly once established, competing for space with native vegetation.…”
Section: Non-native Riparian Speciesmentioning
confidence: 98%
“…Recently, Nagler et al (2011) outlined several different factors that promote the present distribution and abundance of Russian-olive in the United States. These include (1) a chilling requirement, potentially needed for bud break and seed germination (Friedman et al 2005;Guilbault et al 2012); (2) supplemental moisture in arid and semiarid regions, which is often provided in riparian areas, floodplains, reservoir margins, and canals; (3) increased river flow regulation leading to less flooding and less disturbance, conditions that are unfavorable for native plant seedling establishment (i.e., cottonwoods and willows); (4) silt loam and silty clay soil types, which occur between terrestrial and aquatic habitats (Madurapperuma et al 2013); and (5) high soil salinity and alkalinity conditions, in which Russian-olive is more tolerant than native species (Nagler et al 2011).…”
Section: Russian-olive Biologymentioning
confidence: 99%
“…Furthermore, regions in Canada that support the conditions favorable for Russian-olive growth (see above) should be the focus of research and management. Russian-olive is believed to be limited in its southern distribution, perhaps because of a lack of chilling needed for bud break and germination (Friedman et al 2005;Guilbault et al 2012); however, nothing is known about its northern distribution limits. Gusta et al (1983) determined that Russian-olive branches were killed at 255uC, suggesting that a maximal northern limit does exist.…”
Section: Anticipated Effects and Future Research Needsmentioning
confidence: 99%