The amount of coarse dead wood and associated decay rates in forest reserves and managed forests, northwest Turkey

Çolak, Alper H.; Tokcan, M.; Rotherham, Ian D.; Atıcı, Eyyüp

doi:10.5424/fs/2009183-01074

Cited by 4 publications

(3 citation statements)

References 20 publications

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“…As a result of the ecological difficulties in the high altitudes, more deadwood are left in the forests where regeneration difficulties are also experienced in these zones, where the cohorts can form more intensively and strongly. Colak et al (2009) described the state of coarse dead wood (CDW) in the managed forest of northern conifer-broadleaved mixed forest. The results of their research showed mean total CDW volumes 9.31±2.84 m 3 /ha in the managed forest.…”

Section: Discussionmentioning

confidence: 99%

Saf Doğu Kayını (Fagus orientalis Lipsky.) işletme ormanlarında yükselti ve bakının dikili ölü ağaç sayısı ve stabilite indeksine etkisi

Özel

Ayan

Varol

2022

Anadolu Orman Araştırmaları Dergisi

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Snags are a major structural and functional component in oriental beech (Fagus orientalis Lipsky.) because of their high degree of naturalness in northern Anatolia forests. This research, as a case study, was conducted in the even-aged and pure oriental beech managed forest in Bartın. In this research where the effect of exposure and elevation, zone factors on stability index, the number and volume of snags (standing coarse deadwood: CDWsnags) were examined. It was found that exposure did not affect the stability index, number and volume of CDWsnags. However, there is a significant difference among the elevation zone on the number of CDWsnags, their volume and stability index (P≤0.000). It was found that there is an average volume of 8.87 m 3 /ha of CDWsnags. The diameter of the snags is distributed between 32 and 72 cm. In addition, a strong positive correlation was determined between the number of CDWsnags and the stability index (r= 0.95), height and breast diameter of CDWsnags (r = 0.98). These results may be an important tool to be used to improve management interventions in the management of high value forests.

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Section: Discussionmentioning

confidence: 99%

Saf Doğu Kayını (Fagus orientalis Lipsky.) işletme ormanlarında yükselti ve bakının dikili ölü ağaç sayısı ve stabilite indeksine etkisi

Özel

Ayan

Varol

2022

Anadolu Orman Araştırmaları Dergisi

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“…It can provide all kinds of habitats and growth resources for organisms 8 . A vast number of academics have investigated dead wood reserves in forest ecosystems [9][10][11][12][13] . Many research are now being conducted on the changes in nutritional components throughout the decomposition process of dead wood.…”

Section: Introductionmentioning

confidence: 99%

Significant Effects of Dead Trees on Active Organic Carbon Components and Microbial Communities in Subtropical Forests

Jiang

Dang

Yan

et al. 2022

Preprint

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As a vital component of the forest ecosystem, dead wood plays an important role in forest regeneration, species variety, water conservation, soil erosion avoidance, and the carbon cycle. At the moment, dead wood research is mostly concerned with the storage of dead wood in forests and the change of nutritional components throughout the decomposition process. There have been few investigations on the changes in soil active organic carbon components and bacterial community structure during the breakdown of dead wood. To investigate the impact of dead wood on soil active organic carbon components and the structure of microbial communities. we selected the soil under three different decay grades of Castanopsis eyrei dead wood and the forest soil without dead wood as the control. The basic physical and chemical indexes of soil, the composition of soil active organic carbon and the structure of microbial community were measured. Compared with the control group, dead wood mulching significantly increased the content of soil organic carbon and total nitrogen (P < 0.05), and dead wood significantly affected the content of soil active organic carbon (P < 0.05). The easily oxidized organic carbon, microbial biomass carbon and organic carbon under the severe decay dead wood were significantly higher than those in the control (P < 0.05), and the content of activated carbon increased with the increase of decay grade. The relative abundance of Actinobacteria, Chloroflexi, WPS-2, Patescibacteria and Bacteroidetes increased with the increase of decay grade of dead wood, and the relative abundance of soil bacteria under dead wood was higher than that of the control. Through the redundancy analysis of environmental factors and soil microbial community, we found soil total nitrogen and pH are the key factors driving microbial community. The distribution of soil bacterial community under light rotten dead wood is similar to that soil without dead wood, which is significantly different from that under moderate and severe rotten dead wood. The abundance of soil bacterial community and soil active organic carbon components are most affected by heavy rotten dead wood. Soil active organic carbon was significantly negatively correlated with Acidobacteria(P < 0.01), and positively correlated with Ktedonobacteria, Bacteroidia, Saccharimonadia and TK10(P < 0.05). The above research results show that dead wood has a great impact on soil physical and chemical properties and microbial community structure. Our study improves the impact of dead wood on soil activated carbon components and microbial community, and provides a theoretical basis for sustainable forest management.

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“…Nonetheless, studies to determine carbon stocks of woody debris are still inadequate [20]. The number of woody debris studies is also very limited in Turkey [21][22][23]. Woody debris is important for carbon and one of the major carbon pools that should be calculated in the preparation of national inventories of greenhouse gases [24,25].…”

Section: Introductionmentioning

confidence: 99%

Carbon Stocks of Fine Woody Debris in Coppice Oak Forests at Different Development Stages

Makineci¹,

Akburak²,

Özturna³

et al. 2017

Forests

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Dead woody debris is a significant component of the carbon cycle in forest ecosystems. This study was conducted in coppice-originated oak forests to determine carbon stocks of dead woody debris in addition to carbon stocks of different ecosystem compartments from the same area and forests which were formerly elucidated. Weight and carbon stocks of woody debris were determined with recent samplings and compared among development stages (diameter at breast height (DBH, D 1.3m )), namely small-diameter forests (SDF) = 0-8 cm, medium diameter forests (MDF) = 8-20 cm, and large-diameter forests (LDF) = 20-36 cm). Total woody debris was collected in samplings; as bilateral diameters of all woody debris parts were less than 10 cm, all woody parts were in the "fine woody debris (FWD)" class. The carbon concentrations of FWD were about 48% for all stages. Mass (0.78-4.92 Mg·ha −1 ) and carbon stocks (0.38-2.39 Mg·ha −1 ) of FWD were significantly (p > 0.05) different among development stages. FWD carbon stocks were observed to have significant correlation with D 1.3m , age, basal area, and carbon stocks of aboveground biomass (Spearman rank correlation coefficients; 0. 757, 0.735, 0.709, and 0.694, respectively). The most important effects on carbon budgets of fine woody debris were determined to be coppice management and intensive utilization. Also, national forestry management, treatments of traditional former coppice, and conversion to high forest were emphasized as having substantial effects.

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The amount of coarse dead wood and associated decay rates in forest reserves and managed forests, northwest Turkey

Cited by 4 publications

References 20 publications

Saf Doğu Kayını (Fagus orientalis Lipsky.) işletme ormanlarında yükselti ve bakının dikili ölü ağaç sayısı ve stabilite indeksine etkisi

Saf Doğu Kayını (Fagus orientalis Lipsky.) işletme ormanlarında yükselti ve bakının dikili ölü ağaç sayısı ve stabilite indeksine etkisi

Significant Effects of Dead Trees on Active Organic Carbon Components and Microbial Communities in Subtropical Forests

Carbon Stocks of Fine Woody Debris in Coppice Oak Forests at Different Development Stages

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