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    Wyświetlanie 1-12 z 12
    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:
    Valuable roadside tree avenues in the North-Eastern part of The Drawski Landscape Park
    Autorzy:
    Grzegorczyk, R.
    Sigiel-Dopierala, A.
    Dyderski, M.K.
    Jagodzinski, A.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/790661.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Przyrodniczy w Poznaniu
    Tematy:
    roadside tree
    tree
    epiphyte
    health status
    roadside green
    cultural heritage
    nature monument
    Drawsko Landscape Park
    Opis:
    The observation of the rapid rate of plant cover transformation caused by urbanization and agricultural technology was the inspiration for undertaking the study in rural areas. The study was carried out in the Sandomierz Basin in four typical villages with varying degrees of the anthropogenic impact. The changes observed included: Koszyce Małe – evident transformation of fields and meadows into building land; Kolbuszowa Dolna – intensive changes in land use, abandonment of fields and meadows, and river regulation; Roźwienica – emergence of new habitats for plant colonization after reclamation of land previously occupied by a brick factory and a landfill; Krzeczowice – intensive crop cultivation and unchanged land use. In 2009–2010, floristic investigations with the patrol method were carried out in these areas. The historical-geographical classification and indices of the anthropogenic changes of the flora were employed in the analysis. Substantially, domination of synanthropic species over non-synanthropic spontaneophytes was noted in the analysed floras. In the synanthropic species group, the proportion of apophytes was 3-fold higher than that of anthropophytes. Archaeophytes were more abundant than kenophytes. The flora of Krzeczowice, an area affected by long-term anthropopressure, was by approx. 30% less abundant than that in the other villages; it was also characterised by the highest synanthropization index, apophytization index, and index of apophytism of spontaneophytes. In turn, the flora found in Kolbuszowa Dolna was rich due to the presence of a wide variety of habitats; it was characterised by the lowest apophytization index accompanied by the highest anthropophization index.
    Źródło:
    Steciana; 2015, 19, 2
    1689-653X
    Pojawia się w:
    Steciana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selected Determinants of Physical Activity of the Inhabitants of the Poznań Metropolis Based on the IPAQ Questionnaire
    Autorzy:
    Basińska-Zych, Agata
    Kaiser, Alicja
    Powiązania:
    https://bibliotekanauki.pl/articles/1390818.pdf
    Data publikacji:
    2017
    Wydawca:
    Wyższa Szkoła Bankowa w Poznaniu
    Tematy:
    physical activity
    IPAQ
    health
    BMI
    socio-economic factors
    demographic factors
    Poznań Metropolis
    classification tree
    Opis:
    Low level of physical activity is one of the main problems of modern society’s health. Research results suggest that Poland is a country characterised by low physical activity, with city dwellers being more active than villagers. So far, the research issues of physical activity of city dwellers have not included a context of a metropolitan area. Therefore, the aim of this research was to determine the level of physical activity of the inhabitants of the Poznań Metropolis and to analyse selected health, demographic, and socio-economic factors influencing such activity. A questionnaire survey was conducted from March to June 2016 on a group of 1584 inhabitants of the Poznań Metropolis. The survey was based on a short version of the International Physical Activity Questionnaires – IPAQ. The results showed that 33% of the inhabitants of the Poznań Metropolis showed sufficient, 48% – high level of physical activity, and only 17% of the respondents did not meet the WHO recommendation for physical activity. Statistical analysis based on the CHAID classification tree algorithm indicated the highest influence of age, gender, income, home location, and marital status on the level of physical activity of the inhabitants of the Poznań Metropolis. The analysis did not find statistically significant correlation between the Body Mass Index BMI and the level of physical activity.
    Źródło:
    Studia Periegetica; 2017, 20(4); 13-38
    1897-9262
    2658-1736
    Pojawia się w:
    Studia Periegetica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cause of withering of staghorn sumach [Rhus typhina L.] in selected localities in Slovakia
    Autorzy:
    Juhasova, G
    Adamcikova, K.
    Kobza, M.
    Cerevkova, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/59194.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Cryphonectria parasitica
    health status
    Rhus typhina
    ornamental tree
    Fusarium oxysporum
    fungi
    Botryosphaeria ribis
    Slovakia
    Opis:
    Health state of Rhus typhina was evaluated in 59 localities and 74 sites over the years 2001-2003 with scope (1) to identify the parasitic mycoflora of R. typhina in Slovakia and (2) to identify the occurrence of Cryphonectria parasitica, declared as an quarantine pest by the EPPO, besides the chestnut (Castanea sativa Mill.) and oak (Quercus sp.) also on R. typhina. The fungus Botryosphaeria ribis (Gross.) Dugg. (pycnidial state Dothiorella mali (Ell.) Ev) caused damage to the R. typhina. Damage to R. typhina caused by B. ribis was only recorded in 15 localities. Mean growth rate of hyphae of the fungus ranged from 25.7 to 48.3 mm after 96 hours of cultivation. The most appropriate medium for cultivation was 3% potato dextrose agar. The occurrence of the fungus Fusarium oxysporum Schlecht and mainly of quarantine fungus C. parasitica has not been recorded in the evaluated sites.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dendroflora of the castle park in Szamotuly (Wielkopolska region, Poland)
    Autorzy:
    Korszun, S.
    Bykowska, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/790577.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Przyrodniczy w Poznaniu
    Tematy:
    dendroflora
    castle
    historical building
    historical park
    tree
    plant health
    Szamotuly town
    Wielkopolska region
    Polska
    Opis:
    The article presents the composition of the dendroflora in a historic park surrounding the castle in Szamotuły. In total 465 specimens of woody plants were inventoried (51 taxa of 37 species in 21 families). Most of them were native, angiospermous trees of the apophyte and spontaneophyte groups. In the park there are three specimens of Taxus baccata, registered as natural monuments. The age of more than 100 trees was estimated at over 100 years. The trunk circumference of more than 60 trees exceeded the minimum value assumed as a criterion of categorisation as a natural monument.
    Źródło:
    Steciana; 2015, 19, 1
    1689-653X
    Pojawia się w:
    Steciana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The need for hydrological and soil research in historical park-palace complexes as illustrated by the case of the park-palace complex in Podwilcze, Bialogard municipality (NW Poland)
    Potrzeba badań hydrologiczno-glebowych w zachowaniu historycznych zespołów pałacowo-parkowych na przykładzie założenia w miejscowości Podwilcze, gmina Białogard (północno-zachodnia Polska)
    Autorzy:
    Kubus, M.
    Malinowski, R.
    Sammel, A.
    Paprota, D.
    Sobisz, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/85229.pdf
    Data publikacji:
    2017
    Wydawca:
    Akademia Pomorska w Słupsku
    Tematy:
    hydrology
    soil
    historical park-palace complex
    park-palace complex
    Podwilcze village
    Bialogard commune
    Polska
    tree
    plant health
    health status
    ground water
    park
    degradation
    Opis:
    Negative alterations of hydrological conditions connected with transformations of physical and chemical soil properties are important problems affecting condition of historic parks and gardens. Consequences of those alterations are noticeable in deteriorating condition of old trees, their dying and falling and also in destruction of compositive arrangement of park and garden. In the research results of complex hydrological, soil and dendrological experiments carried out in the years 2011-2013 in the area of historic park in localities Podwilcze (commune Białogard) were considered. In the park of Podwilcze as a result of drainage ditches neglect and rise of water level in no-flow artesian-fed pond water table rise took place within the park limits. Soil erosion, surface and underground flows, local inundations were also observed. It affected many fallen old trees, development of fungous diseases and natural succession of plants of wet habitats. Urgent hydrotechnical and meliorative works should be conducted in the analyzed park to regulate water-air relations meeting the optimal requirements of precious primary afforestation.
    Jednym z problemów wpływających na stan zachowania historycznych założeń parkowych i ogrodowych są negatywne zmiany warunków hydrologicznych, pociągające za sobą przekształcenia właściwości fizycznych i chemicznych gleb. Skutki tych zmian uwidaczniają się w pogarszającym się stanie zdrowotnym, zamieraniu i wykrotach cennego starodrzewu oraz w zniszczeniu układu kompozycyjnego parku i ogrodu. W pracy przedstawiono wyniki kompleksowych badań hydrologiczno-glebowych i dendrologicznych prowadzonych w latach 2011-2013 na terenach zabytkowego parku w miejscowości Podwilcze (gmina Białogard). W parku w Podwilczu na skutek zaniedbania rowów melioracyjnych i podniesienia poziomu wody w bezprzepływowym stawie zasilanym wodami artezyjskimi, nastąpiło wyraźne podniesienie poziomu wód gruntowych w obrębie założenia parkowego, jak również obserwowano erozję materiału glebowego, przepływy powierzchniowe i podziemne oraz lokalne podtopienia terenu. Spowodowało to liczne wykroty starodrzewu, rozwój chorób grzybowych i naturalną sukcesję roślin siedlisk wilgotnych. W analizowanym parku należy podjąć pilne prace hydrotechniczne i melioracyjne w celu uregulowania stosunków wodno-powietrznych, spełniających optymalne wymagania cennego pierwotnego zadrzewienia.
    Źródło:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2017, 21
    1643-0115
    Pojawia się w:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
    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:
    Quality assessment methods for Picea abies seeds
    Autorzy:
    Prochazkova, Z
    Powiązania:
    https://bibliotekanauki.pl/articles/41166.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    seed quality
    purity
    germination
    health testing
    assessment method
    spruce seed
    Opis:
    The quality assessment of spruce seeds consists mainly in determining their germination capacity, including germination rate (speed), but also purity and weight. Internationally recognised methods are listed in the ISTA Rules for Seed Testing which also specify test conditions. Some countries such as Poland use modified methods. Apart from providing information about the purity of a species, purity testing can also identify the proportion of winged seeds in each seed lot. Germination tests yield data on the maximum germination potential of a seed lot which are used to compare the quality of different lots and to establish the field sowing values. This paper presents the methods used for assessing the quality of Norway spruce seeds, and discusses their advantages and disadvantages and the problems that need further investigation.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    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:
    Evaluation of the health status of Picea abies provenances growing on the IUFRO 1964-68 experimental plots
    Autorzy:
    Zolciak, A
    Oszako, T.
    Sabor, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/41247.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    fungal infection
    spiral disease
    health status
    provenance
    plot experiment
    plant disease
    Opis:
    Due to the deterioration in the health condition of Norway spruce on the IPTNS-IUFRO 1964/68 observation plots in Krynica (Poland), there was an urgent need to determine the cause of the decline in order to design preventive measures. For this purpose, a health inventory was carried out in the years 2002 and 2003. This included an assessment of the condition of crowns in 144 trees and a thorough examination of 29 felled trees. It was found that individual trees or groups of trees have declined in some blocks of the experiment. The tops of some trees were dying and the crowns were getting transparent. The discolouration (turning brown) of needles was quite common and even green needles were shed. Some of the roots showed symptoms of necrosis and died. Seven taxa of pathogens were isolated from the diseased roots and trunk parts of spruces, among them Phytophthora citrophthora, Fusarium avenaceum, F. solani and Trichoderma. The number of diseased trees was related to provenance. The provenances Babenhausen (Germany), Frantiskovy Lazne (Czech Republic), Traunstein 1/4 D, 6 A, B, 7 A (Germany), Wundsiedel-Weissenstadt (Germany), Mestwinowo (Poland), and Magland (France) proved to be more susceptible than others to fungal pathogen attack.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    System reliability optimisation of Cooling-cum-Condensate-Extraction system
    Optymalizacja niezawodności układu chłodzenia z systemem odprowadzania skroplin
    Autorzy:
    Biswal, G. R.
    Powiązania:
    https://bibliotekanauki.pl/articles/302113.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
    Tematy:
    cooling-cum-condensate-extraction system
    fault tree analysis
    system reliability
    system safety
    machine health monitoring
    układ chłodzenia z odprowadzeniem skroplin
    analiza drzewa błędów
    niezawodność systemu
    bezpieczeństwo systemu
    monitorowanie stanu maszyn
    Opis:
    A novel methodology is presented for condensation in power generation plants; this section is the main intersection of heat loss, typically 40% thermal efficiency of a plant. Condensate section is interfaced with the generating section to enhance the active contribution of the system. Both the cooling section and the condensate section are integrated and interfaced through the low-pressure and high-pressure cycles to attain the improved electrical efficiency, which affects the heat transfer capability of the power generation plants. This paper proposess a Cooling-cum-Condensate-Extraction System (CCES), to dedicate a 36-MW- captive power plant. The paper is dedicated for the design and development of an effective CCES, analyzing its impact over the systems in terms of system reliability optimization, and the role of real-time optimization. The designed model also contributes in discharging lesser amount of flu gases as against existing technologies with its improved active operation hours.
    W artykule przedstawiono nowatorską metodologię procesu skraplania do zastosowania w części kondensacyjnej elektrowni, gdzie dochodzi do największych strat ciepła – przeważnie aż 40% wydajności termicznej elektrowni. W proponowanym rozwiązaniu instalację kondensacyjną sprzężono z częścią prądotwórczą aby zwiększyć aktywny wkład systemu. Część chłodzącą zintegrowano i sprzężono z częścią kondensacyjną poprzez cykle nisko- i wysokociśnieniowe, uzyskując w ten sposób lepszą wydajność elektryczną, co ma wpływ na zdolność wymiany ciepła w elektrowni. W artykule przedstawiono układ chłodzenia z systemem odprowadzania skroplin (CCES) przeznaczony dla elektrowni potrzeb własnych o mocy 36 MW. Pracę poświęcono projektowaniu i konstrukcji efektywnego CCES, analizując jego wpływ na systemy elektrowni w zakresie optymalizacji niezawodności systemów oraz roli optymalizacji w czasie rzeczywistym. Zaprojektowany przez nas model, w porównaniu z istniejącymi technologiami, przyczynia się również do zmniejszenia emisji gazów odlotowych dzięki zoptymalizowanemu czasowi pracy.
    Źródło:
    Eksploatacja i Niezawodność; 2016, 18, 1; 117-122
    1507-2711
    Pojawia się w:
    Eksploatacja i Niezawodność
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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