Zobrazeno 1 - 10
of 286
pro vyhledávání: '"V. Šrámek"'
Publikováno v:
Journal of Forest Science, Vol 61, Iss 2, Pp 45-54 (2015)
We developed optimal models for predicting the aboveground biomass of European beech (Fagus sylvatica L.) applicable to the national forest inventory data of the Czech Republic. The models were based on a data set of 81 beech trees collected in 19 st
Externí odkaz:
https://doaj.org/article/6e8125d90f05430aa4063d016fe17e96
Publikováno v:
Journal of Forest Science, Vol 60, Iss 3, Pp 121-131 (2014)
This article is focused on the evaluation of the Al/Ca ratio in fine roots of Norway spruce on the plots belonging to the ICP Forests monitoring programme in the Czech Republic. In total 122 fine root samples were collected from twenty plots from two
Externí odkaz:
https://doaj.org/article/920a21434fed4f06adfdc5b9cf669ea1
Publikováno v:
Journal of Forest Science, Vol 59, Iss 9, Pp 359-369 (2013)
Since 1994, the nutritional status and the air pollution load have been evaluated on 20 research plots, located in young Norway spruce stands in the ridge area of the Krušné hory Mts. The most recent acute damage to the spruce stands, in the winter
Externí odkaz:
https://doaj.org/article/44c3144d21f949bdad918dda8fd9da1e
Publikováno v:
Journal of Forest Science, Vol 59, Iss 6, Pp 238-252 (2013)
We documented the current typological and phytosociological characterisation of the ground vegetation as an essential component of biodiversity in 154 Czech forest monitoring plots and to describe its changes during the past 15 years in regard to the
Externí odkaz:
https://doaj.org/article/282518d0425e45b4bd9cdda9b4926f20
Publikováno v:
Journal of Forest Science, Vol 58, Iss 2, Pp 57-66 (2012)
The article focuses on changes in soil chemistry observed on plots limed in 2000 in the western Ore Mts.(Krušné hory) on the basis of chemical analyses done before liming and repeated in 2002, 2005 and 2010. In the deeper mineral soil (down to 30 c
Externí odkaz:
https://doaj.org/article/cc28cfd5ea494241b8619c14f164bf68
Publikováno v:
Journal of Forest Science, Vol 56, Iss 9, Pp 381-388 (2010)
In the second half of 20th century silver fir regeneration has been observed throughout all of the Europe, including the Czech Republic. The Bohemian Forest - Šumava Mts. is one of the regions where the silver fir percentage in forest stands is supp
Externí odkaz:
https://doaj.org/article/16263fbd049240709d5698d1f1fa5024
Publikováno v:
Journal of Forest Science, Vol 54, Iss 2, Pp 55-63 (2008)
In recent years, the Czech part of the Silesian Beskids has been affected by strong yellowing of Norway spruce stands and gradual decline of individual trees. Similar damage has also been observed in the neighbouring parts of Poland and Slovakia. The
Externí odkaz:
https://doaj.org/article/569573df2a8f4d389afd321acc6d9e19
Publikováno v:
Journal of Forest Science, Vol 54, Iss 2, Pp 49-54 (2008)
Concentrations of air pollutants measured by passive samplers, atmospheric deposition to forest ecosystems, soil water chemistry, nutrient content in the soil and foliage were all measured within a study of the causes of forest decline in Nýdek Fore
Externí odkaz:
https://doaj.org/article/8e34bd462fc643a299b65b7d5a994e20
Publikováno v:
Journal of Forest Science, Vol 50, Iss 11, Pp 533-537 (2004)
Forests in the Czech Republic are highly influenced by the antropogenous factors - those are particularly air pollution, pollutant deposition, soil degradation, change of the natural forest ecosystems, and also global climate changes. Significant dam
Externí odkaz:
https://doaj.org/article/22a2975232fd47ac87f0632987faf6fa
Publikováno v:
Journal of Forest Science, Vol 50, Iss 2, Pp 67-77 (2004)
In 2002, height and diameter growth of spruce was investigated in the Orlické hory Mts. (the Czech Republic). The aim was to confirm and to quantify a growth increase in stands of different age, and to reveal the relation between growth and climate,
Externí odkaz:
https://doaj.org/article/048cb00b741b436c9c76eed0997a3ffc