Výsledky vyhľadávania
Názov The effect of bark stripping by deer (Cervus elaphus L.) on biometric parameters of the Scots pine (Pinus sylvestris L.) Aut.údaje Monika Sporek ... [et al.] Autor Sporek Monika (18%)
Spoluautori Sporek Kazimierz (18%)
Ziembik Zbigniew (18%)
Stebila Ján 1979- (18%) UMBFP07 - Katedra techniky a technológií
Kučerka Martin 1980- (18%) UMBFP07 - Katedra techniky a technológií
Lee Seng Hua (10%)
Zdroj.dok. Applied Sciences. Vol. 12, no. 19 (2022), pp. [1-14]. - Basel : Multidisciplinary Digital Publishing Institute, 2022 Kľúč.slová borovica lesná (Pinus Sylvestris L.) poškodenie drevín lesná zver Form.deskr. články - journal articles Jazyk dok. angličtina Krajina Švajčiarsko Anotácia Bark stripping by red deer (Cervus elaphus L.) is one of the most acute instances of damage wrought by these animals in a forest. Because of its location, bark stripping causes damage to the thickest and most valuable part of the tree trunk, which lowers the quality of the wood due to technical flaws. The research was conducted in 25 sampling sites of pine stands aged 35 years in a mixed, fresh forest habitat in south-western Poland. The study was aimed at assessing the influence of bark damage by deer on biometric parameters of pine stands (Pinus sylvestris L.). The assessment involved the diameter at breast height, height, basal area and volume of the tree stands. The results revealed a strong deer-specific pressure on the analysed pine stands. The share of bark stripped trees ranged from 65% to 96%. The number of bark damage instances (NBDI) on a given tree was found to significantly affect its diameter at breast height. The strip-damaged trees had breast height diameters lower by 23% on average, and their mean height was lower by 8.7% as compared with the trees without damage. The mean reduction in basal area increments (𝐺1.3) of the trees was identified at 39%. In a similar way to the diameter at breast height and the basal area, the losses in tree stand volume growth caused by deer stripping were significant and oscillated at 41%. URL Link na plný text Kategória publikačnej činnosti ADC Číslo archívnej kópie 52139 Kategória ohlasu KOPIJ, Grzegorz. Spatial and temporal variation in population densities of the roe deer Capreolus capreolus and the red deer Cervus elaphus in SW Poland. In Agriculture and forestry. ISSN 1800-6492, 2023, vol. 69, no. 1, pp. 139-154.
Katal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Báza dát xpca - PUBLIKAČNÁ ČINNOSŤ Odkazy PERIODIKÁ-Súborný záznam periodika 
článok
Názov Assessment of the mass and surface area of the scots pine (Pinus sylvestris L.) needles Aut.údaje Monika Sporek, Kazimierz Sporek ... [et al.] Autor Sporek Monika (20%)
Spoluautori Sporek Kazimierz (20%)
Stebila Ján 1979- (15%) UMBFP07 - Katedra techniky a technológií
Kučerka Martin 1980- (15%) UMBFP07 - Katedra techniky a technológií
Kminiak Richard (15%)
Lubis Muhammad Adly Rahandi (15%)
Zdroj.dok. Applied Sciences. Vol. 12, no. 16 (2022), pp. [1-13]. - Basel : Multidisciplinary Digital Publishing Institute, 2022 Kľúč.slová ihly borovica lesná (Pinus Sylvestris L.) laboratórne merania Form.deskr. články - journal articles Jazyk dok. angličtina Krajina Švajčiarsko Anotácia The assessment of the surface area of all leaves from a tree crown is regarded as one of the key parameters in scaling ecophysiological processes, such as growth, carbon budget, and water management. The purpose of this study was to investigate the variation of the mass and surface area of Scots pine needles, obtained from trees growing in the same habitat conditions but at different stock densities, therefore occupying different biosocial positions. The mass of needles and the leaf area index (LAI) were determined for an even-aged 33-year-old Scots pine stand located at a fresh mixed coniferous forest site in southwest Poland (50 320 N; 17 420 E). The needles, collected from all the sample trees, were subjected to a biometric analysis to determine the total mass of needles from each tree, the mass of 1000 needle pairs, the number of needles per crown, and the needle length distribution. Based on the actual measurements, we derived allometric equations for finding the fresh mass (FMN) and the surface area of the needles (SN), using the diameter at breast height (DBH) as an independent variable. The relationships between the mass of the needles and the DBH were significant (p < 0.0001), and so were those between the surface area of the needles and the DBH (p < 0.001). The fresh mass of needles for the tree stands varied from 6458 kg ha1 to 11,102 kg ha1. The LAI was in the range of 3.2 to 5.4 m2 m2. The mean value of the LAI for the Scots pine stand was 4 m2 m2. Further studies are required and more algorithms need to be developed for the quantitative assessment of the LAI in Scots pine trees, using a larger number of sample trees with more varied biometric features. URL Link na zdrojový dokument Kategória publikačnej činnosti ADC Číslo archívnej kópie 52018 Kategória ohlasu WARCHOLINSKI, Bogdan - GILEWICZ, Adam. Surface engineering of woodworking tools, a review. In Applied sciences (Basel). ISSN 2076-3417, 2022, vol. 12, no. 20, pp. 1-19.
SAPUTRA, Suroto Hadi - FERNANDES, Andrian - MAHARANI, Rizki. Effect of combustion method on the yield, specific gravity, and color of oleoresin of Dipterocarpus grandiflorus. In AIP conference proceedings : the second international conference of lignocellulose : 2nd ICONLIG, Bogor, 24th-25th November 2022 [online]. 2023, vol. 2973, no. 1, pp. 1-7 [cit. 2024-04-15]. ISSN 1551-7616. Dostupné na: https://doi.org/10.1063/5.0184803
Katal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Báza dát xpca - PUBLIKAČNÁ ČINNOSŤ Odkazy PERIODIKÁ-Súborný záznam periodika článok