Zobrazeno 1 - 10
of 97
pro vyhledávání: '"O. Špulák"'
Autor:
O. Špulák, D. Kacálek
Publikováno v:
Journal of Forest Science, Vol 62, Iss 10, Pp 441-451 (2016)
Reduced air pollution load has allowed to use commercially oriented forestry in the Central European mountains since the 1990s. The goal is, however, to restore species- and age-diversified stable stands that are expected to cope with uncertain chang
Externí odkaz:
https://doaj.org/article/fe508217c94e478bab6476b1c2167fef
Publikováno v:
Journal of Forest Science, Vol 62, Iss 4, Pp 163-174 (2016)
The study analyses the chemical properties of the soil in open-canopy beech stands in relation to the predominant species of ground vegetation. A hypothesis is examined whether the predominant ground vegetation species can represent in chemical terms
Externí odkaz:
https://doaj.org/article/3f4defc075834118861dc69835555617
Autor:
O. Špulák, J. Martincová
Publikováno v:
Journal of Forest Science, Vol 61, Iss 2, Pp 80-88 (2015)
To compare breaking of dormancy in relation with climatic conditions and reaction to late frost fir plants growing in sun, in shade and at magnesium deficiency were evaluated. Sprouting and chlorophyll a fluorescence of needles measured with the Plan
Externí odkaz:
https://doaj.org/article/2eb2c9516a0646fe9de739282f64d246
Autor:
I. Kuneš, M. Baláš, V. Balcar, D. Kacálek, K. Millerová, A. Jančová, O. Nováková, O. Špulák, D. Zahradník, J. Vítámvás, T. Koňasová
Publikováno v:
Journal of Forest Science, Vol 59, Iss 8, Pp 306-318 (2013)
We evaluated the potential of crushed amphibolite and artificial slow-release N-P-K-Mg fertiliser to stimulate the survival, growth and nutrition of Norway spruce planted on an acidified air-polluted mountain site. Control plots and treatments with s
Externí odkaz:
https://doaj.org/article/85317569d94c4784a2b1771e94c74b79
Autor:
I. Kuneš, D. Zahradník, V. Balcar, O. Špulák, M. Baláš, T. Koňasová, D. Kacálek, J. Vítámvás, A. Jančová, O. Nováková, K. Millerová
Publikováno v:
Journal of Forest Science, Vol 59, Iss 1, Pp 8-21 (2013)
The organic matter produced and accumulated by plants is a crucial component in the ecosystems on environmentally disturbed sites. The aim of our study was to evaluate the influence of initial fertilising on the aboveground and belowground tree bioma
Externí odkaz:
https://doaj.org/article/e99be926e1ac4a9ca7278f17b7f0a85a
Publikováno v:
Journal of Forest Science, Vol 58, Iss 11, Pp 492-502 (2012)
The results of a fifteen-year period of investigations conducted on Norway spruce in the upper plateau of the Jizerské hory Mts. were summarised. The objectives were to evaluate the growth performance of an experimental plantation under harsh enviro
Externí odkaz:
https://doaj.org/article/1eb37f587c1a44d4a9de194bffb4d461
Autor:
O. Špulák
Publikováno v:
Journal of Forest Science, Vol 58, Iss 6, Pp 253-264 (2012)
Sample trees were taken for analyses from an 18-years-old blue spruce stand growing in the summit part of the Jizerské hory Mts. (Czech Republic). The sample trees were measured and dry matter and nutrient contents were analysed in needles, branches
Externí odkaz:
https://doaj.org/article/890faee0596a4c4085659203cbf9650e
Autor:
I. Kuneš, M. Baláš, T. Koňasová, D. Zahradník, V. Balcar, O. Špulák, D. Kacálek, M. Jakl, J. Jaklová Dytrtová
Publikováno v:
Journal of Forest Science, Vol 58, Iss 5, Pp 234-244 (2012)
The aims of the paper were as follows: (1) to assess the applicability of speckled alder for pioneer stands on the mountainous clear-cut tracts and (2) to evaluate the effects of slow-release fertilizer on the survival and growth of speckled alder un
Externí odkaz:
https://doaj.org/article/ab408795ca324505bb727c49e65986ce
Publikováno v:
Journal of Forest Science, Vol 57, Iss 1, Pp 16-23 (2011)
Plantation of spruce in clusters (small collectives with 20-30 individuals with dense spacing) was realized on a small clear-cut and under the forest stand near the timber line in the Krkonoše Mts. in 1993. Gaps among the collectives were planted wi
Externí odkaz:
https://doaj.org/article/4d60f1bfcb57404bb6798a56988f5301
Autor:
I. Kuneš, V. Balcar, T. Benešová, M. Baláš, J. Zadina, D. Zahradník, J. Vítámvás, D. Kacálek, O. Špulák, M. Jakl, J. Jaklová Dytrtová, V. Podrázský
Publikováno v:
Journal of Forest Science, Vol 55, Iss 10, Pp 469-476 (2009)
A young speckled alder (Alnus incana [L.] Moench) stand was planted on a tract clear-felled due to air pollution and located on a summit plateau of the Jizerské hory Mts. (Central Europe, Czech Republic) at an altitude of 950 m a.s.l. The aim of the
Externí odkaz:
https://doaj.org/article/87711b58d9ff490791502d91da6a2676