jarosław socha | University of Agriculture in Krakow (original) (raw)
Papers by jarosław socha
Ecological Engineering, 2011
The work presents determination of the productivity of post-mining ecosystems (PME) derived from ... more The work presents determination of the productivity of post-mining ecosystems (PME) derived from the aboveground biomass and annual biomass increment of Scots pine (Pinus sylvestris L.) stands. Single tree biomass assessment data from 42 cut trees were used in developing local allometric equations which may be used as an index during post-mining reforestation projects. The total biomass of pine ecosystems was determined from dendrometric measurements of sample plots with the use of elaborated equations. Forest floor vegetation was determined using the harvest method. Control plots were set up in the vicinity of the mining-sites at a managed forest on natural pine sites (NPS). Results confirm wide ecological amplitude of pine and indicate a high PME productivity on all substrates (2.79-4.34 Mg ha −1 yr −1 ).
European Journal of Forest Research, 2007
The research described in this paper was performed in the Niepolomice Forest (Southern Poland) in... more The research described in this paper was performed in the Niepolomice Forest (Southern Poland) in 2001 as part of the Forest Environmental Monitoring and Management System (FOREMMS; 5FP IST) project. The material for the present study consisted of the measurement results of the biomass of Scots pine shoots with needles and needles alone carried out on 113 felled sample trees. The purpose of this study was to construct empirical equations for estimating the foliage biomass of Scots pine from easy to measure parameters. To achieve this aim, the dependence of the foliage biomass of Scots pine on stem diameter, height, age, crown length, basal area increment of the trees was analyzed. Using the biometric characteristics such as: tree diameter at breast height (dbh), basal area increment, age, height, and crown length empirical equations for estimating the foliage biomass of Scots pine reasonably precisely have been established. The created empirical equation gives accurate foliage biomass estimates. The explained variability varies between 65 and 85%, it depends on the number of variables applied in the equation. The equations presented in this paper were created with a view to their possible use in ecological studies where biomass quantity may be used, for example, in modeling carbon circulation in the forest ecosystem. From the point of view of forestry practice, these equations may help to assess biomass production in Scots pine stands.
Canadian Journal of Forest Research-revue Canadienne De Recherche Forestiere, 2005
This study compared the stem form of different provenances of Abies grandis Lindl. under the moun... more This study compared the stem form of different provenances of Abies grandis Lindl. under the mountain conditions of Poland. Seven partial populations of this species, originating from two regions in its natural range, were tested. It was concluded that creating separate stem form models is an effective method for comparing stem forms, because the model curves for the groups under comparison are not affected by tree dimensions. The results of this study showed distinct variation in the tested populations of A. grandis in respect to stem form according to provenance (genotype). These differences are particularly evident between provenances from the different regions determined by Müller (K.M. Müller. 1935. Mitt. Deutcsh. Dendrol. Ges. 44: 54-123 and K.M. Müller. 1936. Mitt. Deutcsh. Dendrol. Ges. 47: 82-132). In general terms, trees representing provenances from region II are characterized by greater cylindricity in comparison with trees from region I. At equal DBH and height, the volume of trees from regions I was smaller than the volume of trees from region II by an average of approximately 7.6%.
sylwan 155 (5): 301−312, 2011 Jarosław Socha, Stanisław Orzeł Socha J., Orzeł S. 2011. Dynamiczne... more sylwan 155 (5): 301−312, 2011 Jarosław Socha, Stanisław Orzeł Socha J., Orzeł S. 2011. Dynamiczne krzywe bonitacyjne dla drzewostanów sosnowych Puszczy Niepoło− mickiej. Sylwan 155 (5): 301−312.
This study compared the stem form of different provenances of Abies grandis Lindl. under the moun... more This study compared the stem form of different provenances of Abies grandis Lindl. under the mountain conditions of Poland. Seven partial populations of this species, originating from two regions in its natural range, were tested. It was concluded that creating separate stem form models is an effective method for comparing stem forms, because the model curves for the groups under comparison are not affected by tree dimensions. The results of this study showed distinct variation in the tested populations of A. grandis in respect to stem form according to provenance (genotype). These differences are particularly evident between provenances from the different regions determined by Müller (K.M. Müller. 1935. Mitt. Deutcsh. Dendrol. Ges. 44: 54-123 and K.M. Müller. 1936. Mitt. Deutcsh. Dendrol. Ges. 47: 82-132). In general terms, trees representing provenances from region II are characterized by greater cylindricity in comparison with trees from region I. At equal DBH and height, the volume of trees from regions I was smaller than the volume of trees from region II by an average of approximately 7.6%.
Jarosław Socha, Stanisław Orzeł Socha J., Orzeł S. 2013. Dynamiczne krzywe bonitacyjne dla sosny ... more Jarosław Socha, Stanisław Orzeł Socha J., Orzeł S. 2013. Dynamiczne krzywe bonitacyjne dla sosny zwyczajnej (Pinus sylvestris L.) z połud− niowej Polski. Sylwan 157 (1): 26−38.
Ecological Engineering, 2011
The work presents determination of the productivity of post-mining ecosystems (PME) derived from ... more The work presents determination of the productivity of post-mining ecosystems (PME) derived from the aboveground biomass and annual biomass increment of Scots pine (Pinus sylvestris L.) stands. Single tree biomass assessment data from 42 cut trees were used in developing local allometric equations which may be used as an index during post-mining reforestation projects. The total biomass of pine ecosystems was determined from dendrometric measurements of sample plots with the use of elaborated equations. Forest floor vegetation was determined using the harvest method. Control plots were set up in the vicinity of the mining-sites at a managed forest on natural pine sites (NPS). Results confirm wide ecological amplitude of pine and indicate a high PME productivity on all substrates (2.79-4.34 Mg ha −1 yr −1 ).
European Journal of Forest Research, 2007
The research described in this paper was performed in the Niepolomice Forest (Southern Poland) in... more The research described in this paper was performed in the Niepolomice Forest (Southern Poland) in 2001 as part of the Forest Environmental Monitoring and Management System (FOREMMS; 5FP IST) project. The material for the present study consisted of the measurement results of the biomass of Scots pine shoots with needles and needles alone carried out on 113 felled sample trees. The purpose of this study was to construct empirical equations for estimating the foliage biomass of Scots pine from easy to measure parameters. To achieve this aim, the dependence of the foliage biomass of Scots pine on stem diameter, height, age, crown length, basal area increment of the trees was analyzed. Using the biometric characteristics such as: tree diameter at breast height (dbh), basal area increment, age, height, and crown length empirical equations for estimating the foliage biomass of Scots pine reasonably precisely have been established. The created empirical equation gives accurate foliage biomass estimates. The explained variability varies between 65 and 85%, it depends on the number of variables applied in the equation. The equations presented in this paper were created with a view to their possible use in ecological studies where biomass quantity may be used, for example, in modeling carbon circulation in the forest ecosystem. From the point of view of forestry practice, these equations may help to assess biomass production in Scots pine stands.
Canadian Journal of Forest Research-revue Canadienne De Recherche Forestiere, 2005
This study compared the stem form of different provenances of Abies grandis Lindl. under the moun... more This study compared the stem form of different provenances of Abies grandis Lindl. under the mountain conditions of Poland. Seven partial populations of this species, originating from two regions in its natural range, were tested. It was concluded that creating separate stem form models is an effective method for comparing stem forms, because the model curves for the groups under comparison are not affected by tree dimensions. The results of this study showed distinct variation in the tested populations of A. grandis in respect to stem form according to provenance (genotype). These differences are particularly evident between provenances from the different regions determined by Müller (K.M. Müller. 1935. Mitt. Deutcsh. Dendrol. Ges. 44: 54-123 and K.M. Müller. 1936. Mitt. Deutcsh. Dendrol. Ges. 47: 82-132). In general terms, trees representing provenances from region II are characterized by greater cylindricity in comparison with trees from region I. At equal DBH and height, the volume of trees from regions I was smaller than the volume of trees from region II by an average of approximately 7.6%.
sylwan 155 (5): 301−312, 2011 Jarosław Socha, Stanisław Orzeł Socha J., Orzeł S. 2011. Dynamiczne... more sylwan 155 (5): 301−312, 2011 Jarosław Socha, Stanisław Orzeł Socha J., Orzeł S. 2011. Dynamiczne krzywe bonitacyjne dla drzewostanów sosnowych Puszczy Niepoło− mickiej. Sylwan 155 (5): 301−312.
This study compared the stem form of different provenances of Abies grandis Lindl. under the moun... more This study compared the stem form of different provenances of Abies grandis Lindl. under the mountain conditions of Poland. Seven partial populations of this species, originating from two regions in its natural range, were tested. It was concluded that creating separate stem form models is an effective method for comparing stem forms, because the model curves for the groups under comparison are not affected by tree dimensions. The results of this study showed distinct variation in the tested populations of A. grandis in respect to stem form according to provenance (genotype). These differences are particularly evident between provenances from the different regions determined by Müller (K.M. Müller. 1935. Mitt. Deutcsh. Dendrol. Ges. 44: 54-123 and K.M. Müller. 1936. Mitt. Deutcsh. Dendrol. Ges. 47: 82-132). In general terms, trees representing provenances from region II are characterized by greater cylindricity in comparison with trees from region I. At equal DBH and height, the volume of trees from regions I was smaller than the volume of trees from region II by an average of approximately 7.6%.
Jarosław Socha, Stanisław Orzeł Socha J., Orzeł S. 2013. Dynamiczne krzywe bonitacyjne dla sosny ... more Jarosław Socha, Stanisław Orzeł Socha J., Orzeł S. 2013. Dynamiczne krzywe bonitacyjne dla sosny zwyczajnej (Pinus sylvestris L.) z połud− niowej Polski. Sylwan 157 (1): 26−38.