Coarse and Fine Woody Debris in Mature Oriental Beech (<i>Fagus orientalis</i>Lipsky) Forests of Northern Iran

Sefidi, Kiomars; Mohadjer, M R Marvie; Mosandl, R.; Copenheaver, Carolyn A.

doi:10.3375/043.033.0303

Cited by 11 publications

(9 citation statements)

References 45 publications

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“…In this study we found a mean CWD volume of 74.6 ± 18.1 m 3 ha -1 with a range of 1.2-136.1 m 3 ha -1 , similar to several other studies carried out in the Iranian beech forests (Sefidi et al 2013, Amanzadeh et al 2013, Sefidi & Marvie-Mohadjer 2010. Contrastingly, the total volume of dead timber at the Milesice Forest Reserve in the Czech Republic reached 324 m 3 ha -1 (Vrska et al 2001), that was higher than our findings.…”

Section: Discussionsupporting

confidence: 75%

“…An important feature of natural forests of this region is their high amounts of dead wood in all stages of decay and the high proportions of old living trees with dead parts (Moradi et al 2012, Sefidi & Marvie-Mohadjer 2010, with fairly high amount of coarse woody debris (on average, 51 m 3 ha -1 -Sefidi & MarvieMohadjer 2010). Sefidi et al (2013) for the Hyrcanian beech-dominated forests, recorded volume of coarse and fine woody debris of 15 and 10 m 3 ha -1…”

Section: Introductionmentioning

confidence: 99%

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Effect of topography on tree species composition and volume of coarse woody debris in an Oriental beech (Fagus orientalis Lipsky) old growth forests, northern Iran

Sefidi¹,

Darabad²,

Azaryan³

2016

iForest

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There is an emerging interest in the relationships between forest structure and topographic aspects. Still, such patterns have been scarcely studied in undisturbed mixed beech forests in northern Iran. We investigated the influence of topographical factors including aspect, slope degree, and landform index (LI) on the distribution of dominant tree species and coarse woody debris (CWD). Tree density and basal area were not significantly correlated with any of the measured parameters, except a moderate relation between basal area and LI (r = -0.376; P = 0.029). Redundancy analysis (RDA) of the tree layer revealed a significant relationship between the measured environmental variables and species distributions. CWD volume showed significant negative correlation with percent canopy coverage and was highly correlated with slope. Density of CWD in decay class IV was significantly correlated with aspect and percent of canopy cover. Analyses of CWD distributions in relation to both living vegetation and topographic gradients showed a highly complex interplay of factors driving the distribution of CWD across the forest stands.

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Section: Discussionsupporting

confidence: 75%

Section: Introductionmentioning

confidence: 99%

Effect of topography on tree species composition and volume of coarse woody debris in an Oriental beech (Fagus orientalis Lipsky) old growth forests, northern Iran

Sefidi¹,

Darabad²,

Azaryan³

2016

iForest

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“…Density (number of occurrences of a status class) is perhaps more useful to compare status of dead tree than volume because, in general logs and snags inherently have a larger volume than stumps (Sefidi et al 2013). The high proportion of logs vs. stumps implies that stumps decompose faster than logs or that individual stems divide into multiple logs as they decompose because originally the log to stump ratio would have been 1:1; whereas the current ratio is 16:1.…”

Section: Discussionmentioning

confidence: 99%

“…Dead tree comes in many forms (Sefidi et al 2013;Müller and Bartsch 2009), but above ground two tend to predominate dead trees on the forest floor (logs), and standing dead trees (snags) and these are the two on which the present study focuses. All of dead trees including: fallen logs and snags had measured within the study sites using the full callipering method.…”

Section: Dead Tree Selection and Descriptionmentioning

confidence: 99%

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The amount and quality of dead trees in a mixed beech forest with different management histories in northern Iran

Sefidi

Etemad

2014

Biodiversitas

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Sefidi K, Etemad V. 2014. The amount and quality of dead trees in a mixed beech forest with different management histories in northern . Dead tree (fallen logs and snags), is regarded as an important ecological component of forests on which many forest dwelling species depend, yet its relation to management history in Caspian forest has gone unreported. The aim of research aim was to compare the amounts of dead tree in the forests with historically different intensities of management, including: forests with the long term implication of management (Patom), the short term implication of management (Namekhaneh) which were compared with semi virgin forest (Gorazbon). The number of 215 individual dead trees were recorded and measured at 79 sampling locations. ANOVA revealed volume of dead tree in the form and decay classes significantly differ within sites and dead volume in the semi virgin forest significantly higher than managed sites. Comparing the amount of dead tree in three sites showed that, dead tree volume related with management history and significantly differ in three study sites. Reaching their highest in virgin site and their lowest in the site with the long term implication of management, it was concluded that forest management cause reduction of the amount of dead tree. Forest management history affect the forest's ability to generate dead tree specially in a large size, thus managing this forest according to ecological sustainable principles require a commitment to maintaining stand structure that allow, continued generation of dead tree in a full range of size.

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Stand characteristics of mixed oriental beech (Fagus orientalis Lipsky) stands in the stem exclusion phase, northern Iran

2015

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Coarse and Fine Woody Debris in Mature Oriental Beech (Fagus orientalisLipsky) Forests of Northern Iran

Cited by 11 publications

References 45 publications

Effect of topography on tree species composition and volume of coarse woody debris in an Oriental beech (Fagus orientalis Lipsky) old growth forests, northern Iran

Effect of topography on tree species composition and volume of coarse woody debris in an Oriental beech (Fagus orientalis Lipsky) old growth forests, northern Iran

The amount and quality of dead trees in a mixed beech forest with different management histories in northern Iran

Stand characteristics of mixed oriental beech (Fagus orientalis Lipsky) stands in the stem exclusion phase, northern Iran

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