Zobrazeno 1 - 10
of 227
pro vyhledávání: '"S. Vacek"'
Publikováno v:
Journal of Forest Science, Vol 62, Iss 10, Pp 470-484 (2016)
Various forest models that estimate volume, site index, growth and yield, biomass, and sequestrated carbon amounts are based on the information of the tree heights. The tree heights are obtained either directly from measurements or indirectly estimat
Externí odkaz:
https://doaj.org/article/872b8770de7d44cab78444e490badc76
Publikováno v:
Journal of Forest Science, Vol 62, Iss 7, Pp 293-305 (2016)
Horizontal structure of forest stands largely affects the competitive relationships between tree individuals and plays a significant role in the stand dynamics. The present study describes horizontal structure on nine permanent research plots (0.24-0
Externí odkaz:
https://doaj.org/article/5ee166c0f1a74dcfb9da5c14783d65e8
Publikováno v:
Journal of Forest Science, Vol 62, Iss 1, Pp 24-34 (2016)
Structural parameters of Scots pine stands (129-191 years) on their natural sites (270-600 m a.s.l.) are described on 6 permanent research plots (PRP; 3 in managed stands using near-natural silvicultural practices and 3 in stands without active fores
Externí odkaz:
https://doaj.org/article/ce457f8aa48c43d886d24d29c63c2c44
Publikováno v:
Journal of Forest Science, Vol 61, Iss 10, Pp 456-464 (2015)
1Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic 2Forestry and Game Management Research Institute, Jíloviště-Strnady, Opočno Research Station, Opočno, Czech Republic ABSTRACT: We present th
Externí odkaz:
https://doaj.org/article/5dd1c7f9d62747d4beaa8f064c13507f
Publikováno v:
Journal of Forest Science, Vol 60, Iss 2, Pp 61-69 (2014)
We summarized development and dynamics of natural regeneration in mountain spruce forests in areas affected by bark beetle gradation in the Šumava National Park. Detailed measurements of the regeneration were carried out using Field-Map technology (
Externí odkaz:
https://doaj.org/article/d0980e907a9f4d59a6093cbb4c9354cb
Publikováno v:
Journal of Forest Science, Vol 56, Iss 11, Pp 541-554 (2010)
The article describes natural, combined and artificial regeneration on 38 permanent research plots in both Czech and Polish part of the Krkonoše Mts. The attention is paid to species composition, spatial (horizontal and vertical) and age structure o
Externí odkaz:
https://doaj.org/article/3152db8d60584a40a86aecf596b756c0
Publikováno v:
Journal of Forest Science, Vol 56, Iss 11, Pp 485-504 (2010)
This paper documents the development of soil conditions in the set of 32 permanent research plots in the Krkonoše (Giant) Mts. These plots represent an altitudinal gradient covering the ecosystems of beech, mixed beech-spruce and spruce stands. In a
Externí odkaz:
https://doaj.org/article/88916abc2e4d4d35959aeb0347a5a18d
Autor:
S. Vacek, K. Matějka
Publikováno v:
Journal of Forest Science, Vol 56, Iss 11, Pp 505-517 (2010)
The paper assesses the state and development of phytocenoses in beech, mixed and spruce stands on permanent research plots (PRP) 1-32 in the Krkonoše (Giant) Mts. in the years 1980-2005, i.e. during the air-pollution calamity and afterwards. Dynamic
Externí odkaz:
https://doaj.org/article/74a61318829c4849b0385fec5954b4e1
Publikováno v:
Journal of Forest Science, Vol 56, Iss 11, Pp 531-540 (2010)
Horizontal structure on 38 permanent research plots is described for juvenile growth and developmental phases (natural seeding, advance growth, plantations) and tree layer of a parent stand. Hopkins-Skellam index, Pielou-Mountford index, Clark-Evans
Externí odkaz:
https://doaj.org/article/c5225db34c8c436bb0c4cc072437310a
Autor:
S. Vacek, K. Matějka
Publikováno v:
Journal of Forest Science, Vol 56, Iss 11, Pp 555-569 (2010)
Damage to beech, mixed (beech with spruce to spruce with beech) and spruce stands in the Krkonoše Mts. is described on the basis of evaluation of transition matrices describing the probability of a change in the assessment of defoliation of particul
Externí odkaz:
https://doaj.org/article/fae4ab7385004a8983148034c471e07b