Zobrazeno 1 - 10
of 51
pro vyhledávání: '"J. Mecko"'
Publikováno v:
Journal of Forest Science, Vol 57, Iss 7, Pp 293-302 (2011)
Correlations of increment indexes with average monthly temperatures and total monthly precipitation were studied on annual ring series of 455 trees of Norway spruce (Picea abies [L.] Karst.), sessile oak (Quercus petrea Liebl.) and European beech (Fa
Externí odkaz:
https://doaj.org/article/52e2e2568732484084815a0c14833e74
Publikováno v:
Journal of Forest Science, Vol 56, Iss 7, Pp 323-332 (2010)
We compared the development of yield curves of mean and top height and development of mean diameter according to yield tables of beech which were constructed on the basis of short-term investigations with empirical data of repeated measurements on pe
Externí odkaz:
https://doaj.org/article/dc1a60d8447f4d989df42f77bafca51d
Publikováno v:
Journal of Forest Science, Vol 56, Iss 4, Pp 165-170 (2010)
The construction of a continuous mathematical model of frequency distributions of the diameters of trees of poplar clones Robusta and I-214 in dependence on tree diameter and mean diameter of stand is presented. Empirical material consists of diamete
Externí odkaz:
https://doaj.org/article/41dbac10ec9e4069a4e5ffb8e2f7595a
Publikováno v:
Journal of Forest Science, Vol 54, Iss 7, Pp 314-320 (2008)
Production of raw wood material and its regulation has a great ecological and economic importance in every country. The aim of the paper is to analyze the prospective production of raw wood with respect to the expected basic tree species composition
Externí odkaz:
https://doaj.org/article/a4b8dd444fc8499f935e28faa4debc85
Publikováno v:
Journal of Forest Science, Vol 54, Iss 6, Pp 237-244 (2008)
The results of research on the value production of the stands of poplar clones Robusta and I-214 carried out in Slovakia are presented. Models of value yield tables were constructed separately for each clone. The models simulate gross and net financi
Externí odkaz:
https://doaj.org/article/23c8bd43d46c4286a1a9897a607f4c06
Publikováno v:
Journal of Forest Science, Vol 54, Iss 5, Pp 227-233 (2008)
The results of research on the production of raw timber assortments for the stands of poplar clones Robusta and I-214 in Slovakia are presented in this paper. Models of assortment yield tables were constructed, separately for each clone, in dependenc
Externí odkaz:
https://doaj.org/article/a98996872471419d935473bd74557d2a
Publikováno v:
Journal of Forest Science, Vol 54, Iss 1, Pp 9-16 (2008)
The results obtained in research on the quality of raw timber by means of the structure of assortments for the stands of poplar clones Robusta and I-214 are presented in the paper. Models for an estimation of the structure of basic assortments of pop
Externí odkaz:
https://doaj.org/article/08c33870cae2481890ce6c374d0f55d4
Publikováno v:
Journal of Forest Science, Vol 52, Iss 4, Pp 172-180 (2006)
Development of yield curves of mean and top height and development of mean diameter of the yield tables of spruce is compared with their development on 28 permanent research plots with 156 repeated measurements. The time gap of repeated measurements
Externí odkaz:
https://doaj.org/article/e11205a8496d432b881968ccec0ec48a
Publikováno v:
Journal of Forest Science, Vol 50, Iss 10, Pp 447-455 (2004)
The paper presents models of decennial thinning percents of spruce in mountain locations. They were derived by regression fitting from empirical material with 108 measurements on 93 research plots. Models were derived for untended and partially tende
Externí odkaz:
https://doaj.org/article/8b7734abf48248bca34f4564ff854030
Publikováno v:
iForest-Biogeosciences and Forestry, Vol 7, Iss 1, Pp 150-155 (2014)
The poplar clones of Robusta and I-214 (Populus × euramericana) are characterized by fast growth and high quality biomass production. The calorific values for these poplar clones were determined, and modelling of calorific production of the entire p