Tree and stand level estimations of Abies alba Mill. aboveground biomass

Jagodziński, Andrzej M.; Dyderski, Marcin K.; Gęsikiewicz, Kamil; Horodecki, Paweł

doi:10.1007/s13595-019-0842-y

Cited by 33 publications

(26 citation statements)

References 44 publications

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“…Figure 2a shows the spatial distribution of forest stock volume for 2016. Forest stock volume is one of the best predictors of biomass at the stand level [36]. Moreover, as an important tool in the understanding of forest dynamics, it can be used to predict whether a forest will act as a CO 2 emission source or sink [37].…”

Section: Remote-sensing Datamentioning

confidence: 99%

Analysis of Ice Storm Impact on and Post-Disaster Recovery of Typical Subtropical Forests in Southeast China

Yao

et al. 2020

Remote Sensing

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Ice storms greatly affect the structure, dynamics, and functioning of forest ecosystems. Studies on the impact of such disasters, as well as the post-disaster recovery of forests, are important contents in forest biology, ecology, and geography. Remote-sensing technology provides data and methods that can support the study of disasters at the large-to-medium scale and over long time periods. This study took Chebaling National Nature Reserve in Guangdong Province, China, as the study area. First, field-survey data and remote-sensing data were comprehensively analyzed to demonstrate the feasibility of replacing the forest stock volume with the mean annual value of the Enhanced Vegetation Index (EVI), to study forest growth and change. We then used the EVI from 2007 to 2017, together with a variety of other remote-sensing and forest sub-compartment data, to analyze the impact of the 2008 ice storm and the subsequent post-disaster recovery of the forest. Finally, we drew the following conclusions: (1) Topography had a considerable effect on disaster impact and forest recovery in Chebaling. The forest at high altitudes (700–1000 m) and on steep slopes (25–40°) was seriously affected by this disaster but had a stronger post-disaster recovery ability. Meanwhile, the hardest-hit area for coniferous forest was higher and steeper than that for broad-leaved forest. (2) In the same terrain conditions, coniferous forests were less affected by the disaster than broad-leaved forests and showed less variation during the post-disaster recovery process. Nevertheless, broad-leaved forests had faster recovery rates and higher recovery degrees; (3) Under the influence of human activities, the recovery and fluctuation degree for planted forest in the post-disaster recovery process was significantly higher than that for natural forest. The study suggests that forest has high disaster resistance and self-recovery ability after the ice storm, and this ability has a strong correlation with the type of forest and the topographic factors such as elevation and slope. At the same time, human intervention can speed up the recovery of forests after disasters.

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Section: Remote-sensing Datamentioning

confidence: 99%

Analysis of Ice Storm Impact on and Post-Disaster Recovery of Typical Subtropical Forests in Southeast China

Yao

et al. 2020

Remote Sensing

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“…equi-trojani. Jagodzinski et al (2019) studied Abies alba stands ranging from 8-115 years old (12 different aged tree stands) in southern Poland and found that C concentration ranged from 50.4% (8 years old) to 52.7% (93 years old). A study by Wu et al (2014) showed that initial carbon and N concentrations of Abies faxoniana were 52% and 1.12%, respectively.…”

Section: Variation In Initial Litter Quality Parameters Among Fir Subspeciesmentioning

confidence: 99%

Effects of stand age on litter quality, decomposition rate and nutrient release of Kazdagi fir (Abies nordmanniana subsp. equi-trojani)

Savacı¹,

Sarıyıldız²

2020

iForest

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Biogeosciences and Forestry Biogeosciences and ForestryEffects of stand age on litter quality, decomposition rate and nutrient release of Kazdagi fir (Abies nordmanniana subsp. equi-trojani) Gamze Savaci (1) , Temel Sariyildiz (2) The influence of stand age on litter quality, decomposition rate and nutrient release was examined in pure stands of Kazdagi fir (Abies nordmanniana subsp. equi-trojani [Steven] Spach) differing in age (Fir38, Fir60, Fir90 and Fir100 years). The needle litters were collected and analysed for initial total carbon, cellulose, hemicellulose, lignin and nutrient concentrations (N, P, K, Ca, S, Mg, Mn and Fe). Initial litter quality parameters varied significantly among the four stand age classes. The Fir60 and Fir100 stands had higher total C than the Fir38 and Fir90 stands, while the Fir38 and Fir100 stands had higher N than the Fir60 and Fir90 stands. Mean cellulose and hemicellulose concentrations were highest in the Fir90 stand, while mean lignin concentration was highest in the Fir38 stand. Fir90 stand showed the highest ratios of C/N and Lignin/N. In general, the older fir stands showed higher Ca, Mg and K concentrations and lower P and S concentrations than the younger stands. The litter, however, showed higher a Mn concentration under the Fir60. Mean Fe concentration was highest under the Fir38 stand and lowest under the Fir60 stand. Litter decomposition was studied in the field using the litterbag technique. The litterbags were placed on the soil under each stand age class and sampled every 6 months for 2 years. The interaction of stand age and time on the mass loss was significant (p<0.01). The repeated measures ANOVA showed that the main effect of time on the mass loss was also significant (p<0.001). Needle litters under Fir100 and Fir60 stands decomposed faster than the needle litters under Fir90 and Fir38 stands. The calculated times required for 50% mass loss were higher under Fir38 (1.35 y) and Fir90 (1.27 y) stands than under Fir100 (1.05 y) and Fir60 (1.06 y) stands. The litters in Fir38 and Fir90 stands need approximately 4 years for 95% mass loss compared to the litters in Fir60 and Fir100 stands, which need 3 years. In general, Ca, Mg and S concentrations increased over time, whereas K and Mn decreased. These results illustrate that stand age is a key factor to be considered when studying litter decomposition dynamics.

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“…(Pearson & Dawson, 2003;Hlásny et al, 2011;Zhang et al, 2012;Brus et al, 2014;Dolos et al, 2015). Математичні моделі розроблені переважно для видів, які формують ліси експлуатаційного призначення, функціонування яких спрямовано на отримання головного ресурсу лісу -ділової деревини -Alnus glutinosa L. (Lakyda & Blyshhik, 2010), Abies alba L. (Jagodziński et al, 2019), Pinus sylvestris L. Lovynska et al, 2017), Fagus sylvatica L. (Bosela et al, 2016).…”

Section: результати та обговоренняunclassified

Phytomass of the crown component of robinite forests in the northern steppe of Ukraine

Sytnyk¹

2019

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The main factors influencing the formation of phytomass of forest plantations are the genetics and origin of the tree species, the conditions of natural habitat, the way of planting, the forest vegetation, weather and climatic conditions of treestanding and the biometric characteristics. The purpose of the study was to develop the norms for assessing the components of the above-ground phytomass of the structural components of the crown of robinite treestands in the Northern Steppe of Ukraine. The classical forest-tactical method of material collecting and processing is used in the research. Correlation analysis was used for the statistical processing of data and the regression dependence of the phytosanitary components of the crown plantings of the unrealized plantings from the taxonomic and forestry indices of the treestand was established. A working data set has been formed, which characterizes the phytosanitary components of the krona for assessing the biotic productivity of artificial pine forests. Three-factor mathematical models for estimating phytomass of the crown-branches in the cortex, woody greens and leaves are developed and presented. The informative, statistically significant predictors during the development of mathematical models determined the average data of the diameter and height of the stands and relative completeness. Phytomass of wood greens and leaves will be larger in the planting, where the smaller is the average diameter in trees with the same average height and relative completeness. Indicators of the average height of the tree stand and its relative completeness in mathematical models have a positive value, which causes an increase in the phytomass of the components of the crown (branches, woody greens and leaves) with the increase of the indicated biometric and forestry parameters. On the basis of regression models, normative informational tables for the Northern steppe zone of Ukraine were constructed. The proposed alometric equations for calculating the phytomass of branches, woody greens and leaves can be used for practical forest management purposes during forest inventory works, determination of forest use volumes with an orientation towards comprehensive development of resources of robin forest stands.

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Tree and stand level estimations of Abies alba Mill. aboveground biomass

Cited by 33 publications

References 44 publications

Analysis of Ice Storm Impact on and Post-Disaster Recovery of Typical Subtropical Forests in Southeast China

Analysis of Ice Storm Impact on and Post-Disaster Recovery of Typical Subtropical Forests in Southeast China

Effects of stand age on litter quality, decomposition rate and nutrient release of Kazdagi fir (Abies nordmanniana subsp. equi-trojani)

Phytomass of the crown component of robinite forests in the northern steppe of Ukraine

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