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    Wyświetlanie 1-7 z 7
    Tytuł:
    The population structure and regeneration of Sorbus torminalis in Hadecka planinka National Nature Reserve (Czech Republic)
    Autorzy:
    Madera, P.
    Kohoutek, M.
    Senfeldr, M.
    Repka, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/41463.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    population structure
    regeneration
    Sorbus torminalis
    wild service tree
    age structure
    forest system
    species protection
    chequer tree zob.wild service tree
    checker tree zob.wild service tree
    Hadecka Planinka National Nature Reserve
    Czech Republic
    Opis:
    We performed a detailed overall field survey of all specimens of the wild service tree Sorbus torminalis (L.) Crantz in the research area in the Hádecká planinka National Nature Reserve. This research area, with an area of 80 ha, contains one of the largest populations of the tree in Europe. In all, 1713 specimens were found. This study provides a detailed description of the wild service tree population in the area. The basic biometric parameters (height, GBH, social position, fertility) of thepopulation were assessed. The main emphasis of our analysis was to evaluate the population's age structure. We used estimates of age structure based on the Chapman-Richards growth function to perform this evaluation. During the past twenty years, the natural regeneration of the wild service tree in the nature reserve has decreased considerably. At an experimental plot where a high forest was converted to a coppice with standards, regeneration occurred over 75% of the area. Root suckers were found at the beginning of the observation period. After 2–3 years, generative regeneration occurred.
    Źródło:
    Dendrobiology; 2012, 68
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Growth drivers of monumental wild service tree (Sorbus torminalis) out of its natural range in Kyiv, Ukraine
    Autorzy:
    Prokopuk, Y.
    Leshcheniuk, O.
    Sukhomlyn, M.
    Matiashuk, R.
    Budzhak, V.
    Netsvetov, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2130184.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    wild service tree
    tree-rings
    growth pattern
    climatic factors
    Opis:
    Wild service tree (Sorbus torminalis) is a rare, endangered, relict species, that is protected by law in many European countries. Outside the species distribution range, the trees are usually planted in botanical gardens, parks, arboretums, and at the roadside. Such old introduced trees are an important source of knowledge about species’ acclimation process and current growth-limiting factors in the new environment. In Kyiv, the oldest live S. torminalis trees have been planted in botanical gardens and arboretums after the 1950s. In addition, some trees of this species are preserved in front of the historical building Liberman’s mansion, but the year of their planting remains unknown. Regarding dendroclimatological investigations of this species are scarce and have been provided only in Central European forests, a detailed analysis of the species growth-to-climate relationships should be performed not only the species’ natural range but also in its secondary ranges. In this article, we studied three S. torminalis trees in a historical place in Kyiv to determine their age and evaluate environmental conditions driving the growth of this rare species out of its natural range in Kyiv. To reach our goal we used the dendrochronological approaches, i.e. tree-ring dating, partial correlation analysis using stationary and moving time windows. Our results showed that S. torminalis trees were planted after the last building owner S. Liberman’s death (1917). The studied trees are the oldest of known alive S. torminalis trees in Kyiv. Dendroclimatological results revealed S. torminalis is sensitive to higher air temperature and moisture excess in the period of wood formation in Kyiv. S. torminalis trees at 2 Bankova Street are the oldest species examples in Kyiv and have important historical, cultural, and scientific values. S. torminalis species could be widely used in urban forestry, particularly in regions with projected soil moisture shortening.
    Źródło:
    Dendrobiology; 2022, 87; 163-170
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Local populations of Sorbus torminalis (L.) Crantz in forest plantings of natural origin in the South-Podolsk Forest-Steppe of Ukraine
    Autorzy:
    Shpak, Nina
    Shlapak, Volodymyr
    Adamenko, Svitlana
    Shvecs, Yana
    Savchenko, Oleksandr
    Powiązania:
    https://bibliotekanauki.pl/articles/2041506.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    coenopopulation
    wild service tree
    in-situ methods
    gene preservation
    Karmeliukove Podillia
    Opis:
    The determination of factors that adversely affect the populations of rare plant species and development of measures to eliminate them are the important conditions for maintaining the rare component of natural flora. The article describes the study of forest phytocoenoses in the eastern territory of South-Podolsk Forest Steppe of Ukraine. The influence of natural conditions, morphological and physiological features of Sorbus torminalis (L.) Crantz on the distribution and population density in the studied region was analysed. The species is found in 80 quarters of different forestry districts with the population densities ranging from single to 300 individuals per hectare. The rare species has little prospect of natural seed restoration. The natural reforestation process of Sorbus torminalis is largely due to the specific conditions of phytocoenosis, age and vital structure of the forest stand. Most local populations have a low lifecycle. Very rare seed reproduction makes this species extremely vulnerable to the effects of any negative factors. In the oak-hornbeam plantations, the plants of reproductive age prevail, but with the die-back of old individuals, the influx of renewal has almost disappeared. According to the results of the studied region, the oak plantations with Sorbus torminalis are found to have better values of the species distribution in the protected area compared to the recreational and economic ones (Sorbus torminalis remains in any sanitary condition in the plantations and on clean felling). Artificial resettlement should be carried out in places with a small projective cover of the vegetation, and Sorbus torminalis should be introduced into Quercus robur cultures as an associate species. This territory is the northeast boundary of the natural growth of the species.
    Źródło:
    Folia Forestalia Polonica. Series A . Forestry; 2020, 62, 4; 246-257
    0071-6677
    Pojawia się w:
    Folia Forestalia Polonica. Series A . Forestry
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Conservation of genetic resources of Sorbus torminalis in Poland
    Autorzy:
    Bednorz, L
    Powiązania:
    https://bibliotekanauki.pl/articles/41249.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    genetic resource
    conservation
    tree
    Rosaceae
    wild service tree
    Sorbus torminalis
    forest tree
    Polska
    Opis:
    The paper presents the proposal of a strategy of conservation of genetic resources of wild service tree (Sorbus torminalis) in Polish forests. Some results of the recent studies on distribution, resources and genetic variability of wild service tree in Poland that make a scientific base of the programme are presented. Both in situ and ex situ methods should be applied in conservation of genetic resources of S. torminalis. Conservation affords should first to be focused on forest management oriented in favor of wild service tree (e.g. logging intervention, competition control, preparing of favorable sites for new establishments). Further, in situ measures should include selection of conservation areas (natural gene reserves) and preserving trees of the best quality (protected genotypes). These objects would provide seeds for new establishments and to feed populations of small size. The genotypes of the selected earlier preserving trees (about 250–300) would be protected in ex situ conservation objects – seedling and clonal seed orchards. These plantations would also provide seeds needed for future establishments. The genotypes of endangered populations or single trees of S. torminalis could be preserved in the Forest Gene Bank in Kostrzyca.
    Źródło:
    Dendrobiology; 2007, 58; 3-7
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An assessment of genetic diversity following natural regeneration of Sorbus torminalis in the Forest District of Jamy (northern Poland)
    Autorzy:
    Bednorz, L.
    Myczko, L.
    Kosinski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/41322.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    assessment
    genetic diversity
    natural regeneration
    Sorbus torminalis
    conservation
    wild service tree
    Forest District Jamy
    Polska
    Opis:
    The subject of the study was a population of Sorbus torminalis resulting from spontaneous regeneration from seeds in northern Poland at the north-eastern limit of the species distribution. The population, occupying a fenced plot of 1.72 ha in the Forest District of Jamy, amounted to 579 individuals of variable age classes up to about 19 years old. Six polymorphic gene loci: MDH-B, ME-A, 6PGD-B, ADH-B, PGM-A, PGM-B were studied in 532 individuals recruited post-fencing and 21 potentially parental, adult trees. The analysis showed similarly high levels of genetic diversity within both subsets of individuals but there was also a noticeable change in genetic structure between them. Detailed genetic analysis of the post-fencing recruits revealed lack of significant differences between different age groups based on DBH within the fenced plot.
    Źródło:
    Dendrobiology; 2015, 73
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The wild service tree Sorbus torminalis (L.) Crantz in plant communities of Poland
    Autorzy:
    Bednorz, L
    Powiązania:
    https://bibliotekanauki.pl/articles/41700.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    phytosociology
    forest plant community
    niche amplitude
    conservation
    Rosaceae
    wild service tree
    Sorbus torminalis
    plant community
    Polska
    Vaccinio-Piceetea class
    Quercetea roboli-petraeae class
    Querco-Fagetea class
    Opis:
    The available phytosociological data and original observations were used for preparing a list of plant communities with Sorbus torminalis on its natural sites in Poland. The community context of its sites showed a wide range: from pine-oak forests (alliance Dicrano-Pinion) and oak forests (Quercetalia robori-petraeae, Quercetalia pubescenti-petraeae) to oak-hornbeam forests (Carpinion) and beech forests (Fagion). Oak-hornbeam forests (Carpinion) are the most frequent communities with S. torminalis in Poland. Despite this, oak forests (especially the open thermophilous forests of Quercetalia pubescenti-petraeae) seem to be the most suitable sites for growth and reproduction of this light-demanding tree species. Some remarks on S. torminalis conservation in the community context were also presented as its passive protection in some forest reserves has proved to be ineffective or even harmful.
    Źródło:
    Dendrobiology; 2007, 57; 49-54
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analyses of spatial structure and selected measures of growth of Sorbus torminalis in Forest District Jamy (northern Poland)
    Autorzy:
    Bednorz, L.
    Kazmierczak, K.
    Kaczmarek, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/41095.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    spatial structure
    plant growth
    Sorbus torminalis
    service tree
    wild plant
    growing space
    tree crown
    conservation
    competition
    Polska
    Jamy Forest District
    Opis:
    The subject of the study was a dynamic population of Sorbus torminalis resulting from spontaneous regeneration from seeds in northern Poland. The population, occupying a fenced plot of 1.72 ha in Forest District Jamy, amounted to 579 individuals. The spatial structure of population and some basic individual traits of trees were recorded, then the growing space of individual trees was examined. The following measures of tree growing space were investigated: crown diameter and projection area, and tree volume. The spatial structure of population was non-random, and there was evidence for effects of population density on tree performance. The observations have to be continued in order to describe optimal growing space of wild service tree; the results could be used to improve in situ conservation of this rare and valuable species.
    Źródło:
    Dendrobiology; 2012, 67
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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