2010
DOI: 10.1639/0007-2745-113.1.55
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Structure and composition of corticolous epiphyte communities in a Sierra Nevada old-growth mixed-conifer forest

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Cited by 22 publications
(19 citation statements)
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References 56 publications
(67 reference statements)
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“…A correlation analysis shows that ISF (r = -0.357; p < 0.001) and pH (r = -0.301; p < 0.001) both decrease with increasing tree height. Bark pH on conifer twigs increases with branch height above the ground (Kermit and Gauslaa 2001;Rambo 2010). In addition, bark pH and associated epiphytic vegetation is influenced by local soils in pure spruce stands (Gauslaa and Holien 1998).…”
Section: Variablementioning
confidence: 99%
“…A correlation analysis shows that ISF (r = -0.357; p < 0.001) and pH (r = -0.301; p < 0.001) both decrease with increasing tree height. Bark pH on conifer twigs increases with branch height above the ground (Kermit and Gauslaa 2001;Rambo 2010). In addition, bark pH and associated epiphytic vegetation is influenced by local soils in pure spruce stands (Gauslaa and Holien 1998).…”
Section: Variablementioning
confidence: 99%
“…Common & Brodo was corticolous and largely restricted to Pinus spp. (Rambo 2010). Bryoria abundance was estimated in grams of biomass by counting pendant clumps (Campbell et al 1999) and compared with 5 and 10 g of air-dried reference samples carried during surveys.…”
Section: Bryoria Fremontiimentioning
confidence: 99%
“…The relationship of Bryoria community structure to environmental gradients was examined using nonmetric multidimensional scaling ordination (Kruskal 1964;PC-ORD, McCune and Mefford 1999), with the quantitative version of Søren-sen's similarity index as the distance measure (Sørensen 1948). The primary matrix comprised the 50 study trees and their Bryoria abundances (gÁm -1 of tree height), while the secondary matrix contained the following quantitative environmental variables: tree height and diameter at breast height, mean bark pH (Rambo 2010), surrounding tree basal area, distance to the nearest perennial stream, potential incident solar radiation (MJÁcm -1 Áyear -1 ), heat load index described above, and predicted summer and winter daily mean and maximum VPDs at the 30 m height.…”
Section: Bryoria Fremontiimentioning
confidence: 99%
“…Several nitrophiles were also common on black cottonwoods in our Prince George study sites, including Xanthoria polycarpa and Candelariella efflorescens, both listed as nitrophile indicator species on conifers by Rambo (2010). Previous studies on the interaction of nitrogen and acid deposition suggest that nitrogen deposition (atmospheric ammonia) may provide an alkali buffering effect on tree bark acidity (van Dobben et al 2001).…”
Section: Discussionmentioning
confidence: 75%