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Wyszukujesz frazę "tree health condition" wg kryterium: Wszystkie pola

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    Wyświetlanie 1-5 z 5
    Tytuł:
    What Can We Learn from Monitoring of Monumental Trees – A Case Study of the Jasienica and Jaworze Communes (Silesia, South Poland)
    Autorzy:
    Pietraszko, Ewa
    Żarnowiec, Jan
    Szafran, Sylwia
    Zalot, Tomasz
    Dziergas, Grzegorz
    Jarosz, Przemysław
    Powiązania:
    https://bibliotekanauki.pl/articles/2105276.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    nature monument
    monumental tree
    biological monitoring
    tree health condition
    Opis:
    The data of monitoring of natural monuments in the Jasienica and Jaworze communes (Silesian Voivodeship) deriving from 1999, 2008 and 2019 were compared between the periods and communes. The conducted studies involved determining metric data (including tree height and diameter at breast height – DBH) and assessing health condition of monumental trees. A total of 65 trees were included in the research from 2019, dominated by Quercus robur (28 specimens) and Tilia cordata (9). The health condition of trees was the result of the damage that occurred. Monumental trees in the Jasienica commune were characterized by average (60%) or poor (40%) health condition. In the Jaworze commune, merely 14% of trees have poor state of health. The remaining trees were in average (38%), satisfactory (26%) and good (22%) health condition.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 6; 129--138
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Health condition of Norway spruce Picea abies (L.) Karst. stands in the Beskid Mts
    Autorzy:
    Holusa, J
    Powiązania:
    https://bibliotekanauki.pl/articles/41422.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Norway spruce
    Picea abies
    spruce stand
    Beskids Mountains
    Moravo-Silesian Beskids Mountains
    health condition
    tree condition
    rot infestation
    insect
    nutrient supply
    climatic agent
    mechanical destruction
    snow
    wind
    air pollution
    physiological condition
    tree
    Opis:
    The health condition of spruce stands in the Moravian-Silesian Beskids is affected by several predisposition factors, the most important of which is the allochthonous character of spruce grown on improper sites. When exposed to a low supply of nutrients and intensive mechanical damage mainly by game, the trees are susceptible to rot infestations, climatic agents and mechanical destruction by snow, hard rime and wind. At present, air pollution does not show any significant impact on the spruce stands; it rather acts as a less important predisposition factor on mountain peaks. The physiological condition of trees is not impaired to the extent which would facilitate infestation with phytophagous or cambioxylophagous insects.
    Źródło:
    Dendrobiology; 2004, 51 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The analysis of transformers condition based on Bayes-discriminant method with fault-tree fuzzy evaluation
    Autorzy:
    Li, Dianyang
    Wang, Shanyuan
    Zhang, Yujie
    Feng, Jian
    Wang, Hongzhe
    Qin, Ling
    Powiązania:
    https://bibliotekanauki.pl/articles/328004.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    oil-immersed power transformers
    fault tree analysis
    fuzzy-evaluation system
    Bayes-discriminant
    health-operation
    transformator mocy
    system monitorowania
    analiza drzewa błędów
    Opis:
    China's electric power construction is renewing Increasingly, and the network is complex and changeable where the automation is getting higher. In this paper, Fuzzy evaluation system is established according to fault tree, and the estimation of transformer’s state is judged by analytic hierarchy process. Bayes-discriminant and discriminant formula are used to discriminate transformer’s attributes, which are based on historical data. The machine identification of transformer faults combines the fuzzy evaluation and Bayes-discriminant. It’s accuracy can be improved by correcting parameters. This method can effectively avoid subjective interference caused by artificial weights. The example shows that this method could be applied to judge health status of electric power equipment and this method can play an early-warning role in the operation of monitoring system.
    Źródło:
    Diagnostyka; 2020, 21, 2; 3-12
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of provenance on the survival of Picea abies trees on the IPTNS-IUFRO 1964-68 site in Krynica (Poland)
    Autorzy:
    Masternak, K
    Sabor, J.
    Majerczyk, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/41185.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    plant survival
    provenance effect
    genotype
    Polska
    Krynica-Zdroj town
    health condition
    Opis:
    In connection with the decline of spruce stands on the Krynica plots of IPTNS-IUFRO 1964/68, observed in the last decade and attributed to the so-called spiral disease, an attempt was made to determine whether the current health condition of trees is influenced by genotype (provenance). As shown by preliminary observations, the spruces differed in the degree of survival depending on provenance. The inventories of died or broken trees to be removed during the sanitary cutting, made in the years 2000, 2003, 2004 and 2008, yielded also information about the number of spruces that remained in the blocks of the experiment for each provenance and provenance region by Krutzsch (1968). Analysis of variance showed that genotype (provenance) has a statistically significant effect on the survival of trees. In the years 1999-2008, spruces from region 21 (Bohemian Forest) displayed the poorest survival rate in the conditions of the Beskid Sądecki Mts., while those from region 80 (Eastern Siberia) survived best.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of tree vitality as an indicator of monitoring the health condition of community forest in agroforestry patterns
    Autorzy:
    Safe’i, R.
    Puspita, E.N.
    Hilmanto, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/28407563.pdf
    Data publikacji:
    2022
    Wydawca:
    Instytut Badawczy Leśnictwa
    Źródło:
    Folia Forestalia Polonica. Series A . Forestry; 2022, 64, 4; 206-213
    0071-6677
    Pojawia się w:
    Folia Forestalia Polonica. Series A . Forestry
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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