Preferences of epiphytic bryophytes for forest stand and substrate in North-East Latvia

Putna, Sanita; Mežaka, Anna

doi:10.12697/fce.2014.51.08

Cited by 20 publications

(21 citation statements)

References 15 publications

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“…This result is in accordance with previous research (Mežaka & Znotiņa, 2006;Mežaka et al, 2012;Putna & Mežaka, 2014). This might arise, however, by the low number of mosses and liverworts in sample plots characterized by relatively short time after disturbance (80-100 years).…”

Section: Figsupporting

confidence: 93%

Diversity and distribution of epiphytic lichens and bryophytes on aspen (Populus tremula) in the middle boreal forests of Republic of Karelia (Russia)

Tarasova¹,

Обабко²,

Himelbrant³

et al. 2017

Folia Cryptog. Estonica

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Abstract:The distribution of epiphytic bryophyte and lichen species growing on aspen in the middle boreal forests was studied in southern Karelia (Russia). These forests varied in time-since-disturbance from 80 to 450 years. (2007) were found. Relationships between epiphytic lichen and bryophyte species richness and certain environmental variables (at different trunk heights above ground and time-since-disturbance) were evaluated. Lichens and mosses on aspen trunks often occupy different ecological niches. Cover and diversity of bryophytes was high on trunk bases, while the number of lichen species and their cover were higher at a height of 1.3 m above ground level. The total number of lichen species on aspen increased on average from 40 to 60 species per ha with increasing time-since-disturbance from 100 to 450 years. A stabilization in lichen species number was observed at about 200 years since disturbance. No significant correlation was determined between bryophyte diversity on aspens and the time-since-disturbance.

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Section: Figsupporting

confidence: 93%

Diversity and distribution of epiphytic lichens and bryophytes on aspen (Populus tremula) in the middle boreal forests of Republic of Karelia (Russia)

Tarasova¹,

Обабко²,

Himelbrant³

et al. 2017

Folia Cryptog. Estonica

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“…; Pereira et al. ; Putna & Mezaka ). In particular, differences in moisture‐holding capability, texture and bark pH among substrate species are likely to be responsible for differences in community composition (Culberson ; Hale ; McAlister ; Mills & Macdonald ; Rambo ; Mezaka et al.…”

Section: Discussionmentioning

confidence: 98%

“…). Conifer bark is generally more acidic, with pH ranging from 3.0 to 4.5 (Hauck & Javkhlan ; Hauck ; Putna & Mezaka ), as compared to broad‐leaf species having pH generally above 5.0 (Culberson ; Kuusinen ; McAlister ; Mezaka et al. ).…”

Section: Discussionmentioning

confidence: 99%

“…; Putna & Mezaka ). Conifer bark is generally more acidic (Hauck & Javkhlan ; Hauck ; Putna & Mezaka ), while bark from broad‐leaf tree species is generally higher in pH and moisture content (Culberson ; Jüriado et al. ).…”

Section: Introductionmentioning

confidence: 99%

“…In addition to the effects of decay processes, understorey vegetation communities may differ among CWD substrate species as a result of species-specific physical and chemical properties such as wood texture and bark pH (Barkman 1958;J€ uriado et al 2009;Fritz & Heilmann-Clausen 2010;Mezaka et al 2012;Pereira et al 2014;Putna & Mezaka 2014). Conifer bark is generally more acidic (Hauck & Javkhlan 2009;Hauck 2011;Putna & Mezaka 2014), while bark from broad-leaf tree species is generally higher in pH and moisture content (Culberson 1955;J€ uriado et al 2009). There is evidence that vegetation communities found on broad-leaf CWD differ from those found on coniferous CWD species (McAlister 1997;Rambo 2001;Mills & Macdonald 2005).…”

Section: Introductionmentioning

confidence: 99%

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Effects of coarse woody debris on plant and lichen species composition in boreal forests

Kumar

Thomas

Shahi

2016

J Vegetation Science

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Question Although the importance of coarse woody debris (CWD) for understorey species diversity has been recognized, the relative effects of coarse woody debris decay class and substrate species on understorey species composition have received little attention. We examined how the species composition of understorey vegetation change with CWD decay class and substrate species. Location Boreal mixed‐wood forests, Ontario, Canada. Methods To cover a wide range of CWD decay classes and substrate species, we sampled fire‐origin boreal forest stands that varied in stand age and canopy tree species composition. Vegetation on CWD was sampled by visually estimating percentage cover of each species within a 0.1 m × 0.5 m quadrat, randomly laid lengthwise on top of each sampled CWD log. We also recorded the forest floor vegetation by establishing an adjacent plot of the same size at a distance of 1.0 m in a random direction from the CWD vegetation sample. Results Multivariate analysis showed that understorey species composition differed among decay classes and substrate species. A NMDS ordination of understorey species composition revealed a clear separation of decay classes 1 and 2 from higher decay classes, and that decay classes 4 and 5 shared several species with the forest floor. The species composition on the forest floor was completely different from the species composition on CWD decay classes 1, 2 and 3. Two distinct groupings of substrates according to CWD species composition were found: conifer species (Pinus banksiana and Picea spp.) and broad‐leaf species (Betula papyrifera and Populus spp.), with Abies balsamea taking an intermediate position. Indicator species analysis showed distinct understorey species affiliations to substrate species at advanced decay classes. Understorey species composition on the CWD of P. banksiana showed particularly pronounced changes from the dominance of lichens on decay classes 2 and 3 to dominance by mosses and vascular species on decay classes 4 and 5. Conclusions Understorey species composition on CWD not only differed with decay class, but also with CWD substrate species. Conservation strategies should aim at retaining diversity of CWD in terms of both decay classes and species composition in boreal forests.

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Carbon and nitrogen dynamics along the log bark decomposition continuum in a mesic old-growth boreal forest

et al. 2018

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Preferences of epiphytic bryophytes for forest stand and substrate in North-East Latvia

Cited by 20 publications

References 15 publications

Diversity and distribution of epiphytic lichens and bryophytes on aspen (Populus tremula) in the middle boreal forests of Republic of Karelia (Russia)

Diversity and distribution of epiphytic lichens and bryophytes on aspen (Populus tremula) in the middle boreal forests of Republic of Karelia (Russia)

Effects of coarse woody debris on plant and lichen species composition in boreal forests

Carbon and nitrogen dynamics along the log bark decomposition continuum in a mesic old-growth boreal forest

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