Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Ján KUKLA"'
Autor:
Ivica Pivková, Ján Kukla, František Hnilička, Helena Hniličková, Danica Krupová, Margita Kuklová
Publikováno v:
Heliyon, Vol 10, Iss 10, Pp e31153- (2024)
Currently, little is known about the spatial variability of significant soil properties and their relationships to forest ecosystems of different vegetation grades. This work evaluates the variability of the properties of the upper layer of Cambisol
Externí odkaz:
https://doaj.org/article/52a05dc3bae447fda2b1c52b44f62e1a
Autor:
Ivica Pivková, Ján Kukla, Helena Hniličková, František Hnilička, Danica Krupová, Margita Kuklová
Publikováno v:
Life, Vol 12, Iss 12, p 2033 (2022)
The rising level of pollutant emissions is becoming one of the most pressing environmental problems of our time. Therefore, this work is focused on evaluating Cd and Ni contamination of soils and assimilatory organs of two native (Acer platanoides L.
Externí odkaz:
https://doaj.org/article/e4eb172b8f654ecd8a42dcde56333eff
Publikováno v:
Plant, Soil and Environment, Vol 65, Iss 1, Pp 46-53 (2019)
This study analyses the effects of expressways on physiology and risk elements content in plants (Quercus cerris L., Prunus spinosa L., Melica uniflora Retz.) and soils. Study forest stands are located at a distance of 30 m to 8100 m from the express
Externí odkaz:
https://doaj.org/article/9f111f81942f46e38b76f896458904c9
Publikováno v:
Toxics, Vol 10, Iss 4, p 183 (2022)
The paper evaluates the impact of car transport on the distribution and accumulation of Zn, Cu, Pb and Cd in soils, as well as in the vegetation near a newly built R4 motorway Košice-Milhosť (Slovakia). Samples were taken from surface humus layer (
Externí odkaz:
https://doaj.org/article/479752b1007b42dfb4fe7e548d45e08d
Publikováno v:
Soil and Water Research, Vol 13, Iss 3, Pp 129-139 (2018)
The Štiavnické vrchy Mts. were strongly affected by pollution mostly from an aluminium plant in 1953-1989. This paper compares contamination of soils between Štiavnické vrchy Mts. and the neighbouring little polluted Kremnické vrchy Mts. from re
Externí odkaz:
https://doaj.org/article/a5a0bfc0f4d84d87bcddf25be571081a
Publikováno v:
Plant, Soil and Environment, Vol 63, Iss 9, Pp 402-408 (2017)
The objective of this research was to evaluate trends and relationships of energy and toxic elements accumulation in A-horizon (the depth of 0-5 cm) of soils and in selected plants of the hemioligotrophic (Dystric Cambisols) and oligotrophic (Skeleti
Externí odkaz:
https://doaj.org/article/07c6d645d0314267aee8acfa590e73b3
Altitudinal variation of plant traits: morphological characteristics in Fragaria vesca L. (Rosaceae)
Publikováno v:
Annals of Forest Research, Vol 56, Iss 1, Pp 79-89 (2013)
The relationships among ecological conditions, morphological characteristics and total flavonoid content in Fragaria vesca L. species growing from the beech (710 m a.s.l.) to dwarf pine altitudinal zone (1550 m a.s.l.) in the western part of the Choc
Externí odkaz:
https://doaj.org/article/b3279140daca48b785b91be1fc28f732
Autor:
Rudolf Petráš, Julian Mecko, Ján Kukla, Margita Kuklová, František Hnilička, Helena Hniličková, Ivica Pivková
Publikováno v:
Forests
Volume 14
Issue 2
Pages: 388
Volume 14
Issue 2
Pages: 388
The goal of renewable energy is to replace energy production from fossil fuels. In that sense, forest biomass is essential renewables. This article presents the results of the development of energy reserves in fractions, increments and the total abov
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5adbc82423a0df42587cd17538671aa
https://doi.org/10.3390/f14020388
https://doi.org/10.3390/f14020388
Autor:
Ivica Pivková, Michal Pástor, Ján Kukla, Rudolf Petráš, Marcel Raček, Julian Mecko, Margita Kuklová, Danica Krupová
Publikováno v:
Sustainability, Vol 13, Iss 12686, p 12686 (2021)
Sustainability
Volume 13
Issue 22
Sustainability
Volume 13
Issue 22
The paper considers energy stored in above-ground biomass fractions and in model trees of the main coniferous woody plants (Picea abies (L.) H. Karst., Abies alba Mill., Pinus sylvestris (L.), Larix decidua Mill.), sampled in 22 forest stands selecte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6dc5097a3873b4d7b1cbef02170b9b65
https://www.mdpi.com/2071-1050/13/22/12686
https://www.mdpi.com/2071-1050/13/22/12686
Publikováno v:
Acta Regionalia et Environmentalica, Vol 16, Iss 2, Pp 34-37 (2019)
In this work, the calorific value content in the dry matter of the Scots pine (Pinus sylvestris L.) trees was evaluated. This dry matter was obtained only from the above-ground fractions of its biomass. Our experimental material was taken from five S
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::744e1ed2239b973522d47c390f8c5554
https://doi.org/10.2478/aree-2019-0007
https://doi.org/10.2478/aree-2019-0007