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    Wyświetlanie 1-3 z 3
    Tytuł:
    Location of overhead power lines within Bukowe hills mesoregion in relation to the assessment of forest area fragmentation
    Autorzy:
    Pieńkowski, Paweł
    Stoltman, Marcin
    Zakrzewski, Bogusław
    Powiązania:
    https://bibliotekanauki.pl/articles/2029292.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Rolniczy im. Hugona Kołłątaja w Krakowie
    Tematy:
    high-voltage power transmission line
    habitat fragmentation
    landscape fragmentation
    landscape analysis
    linia przesyłowa wysokiego napięcia
    fragmentacja siedliska
    fragmentacja krajobrazu
    analiza krajobrazu
    Opis:
    National power grid in Poland requires modernisation, therefore by 2030 numerous actions are scheduled regarding the expansion of the existing network and the construction of new electricity transmission lines (power lines). The planned activities will undoubtedly change the quality of landscape and result in fragmentation of forest habitats, some of which are characterised by high biodiversity and constitute a key element of ecological corridors. The aim of the present paper was to outline the issue of the impact of the power line corridors on forest habitat fragmentation, as well as to present the GuidosToolbox software (Graphical User Interface for the Description of image Objects and their Shapes) used, among other things, for the determination of the degree of fragmentation of forest habitats. The analysis concerned the Puszcza Bukowa forest, which is a part of the Natura 2000 network and is protected under the Szczecin Landscape Park ‘Puszcza Bukowa’. Despite abundant natural assets of the Puszcza Bukowa forest, it was necessary to run many power lines through its area due to location of the forest in the vicinity of the Szczecin agglomeration. The course of power lines contributed to the fragmentation of the discussed forest complex and to the depletion of its interior classified with the GuidosToolbox software as ‘Intact’. The software discussed in the present paper may prove useful in the identification of the degree of forest area fragmentation, connected with the course of high-voltage power transmission lines, and in the assessment of the impact of the planned investment projects on biocenoses.
    Źródło:
    Geomatics, Landmanagement and Landscape; 2021, 3; 41-52
    2300-1496
    Pojawia się w:
    Geomatics, Landmanagement and Landscape
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Early Jurassic dinosaur-dominated track assemblages, floristic and environmental changes in the Holy Cross Mountains region, Poland
    Autorzy:
    Pacyna, Grzegorz
    Ziaja, Jadwiga
    Barbacka, Maria
    Pieńkowski, Paweł
    Jarzynka, Agata
    Niedźwiecki, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/2201217.pdf
    Data publikacji:
    2022
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Mesozoic
    ecosystems
    tetrapod tracks
    plant macrofossils
    palynomorphs
    trace fossils
    Opis:
    The Early Jurassic succession of the Holy Cross Mountains region in Poland offers a rare opportunity to study ecosystem complexity during the evolution and diversification of early dinosaurs, especially herbivorous ones. The section consists of continental and coastal deposits containing fossil assemblages spanning nearly 25 My of changes in terrestrial plants and some groups of invertebrates and tetrapods. Based on macrofossils and pollen and spores, the broader characteristics of the flora in this succession are presented. The floral assemblages show typical Early Jurassic characteristics and contain lycopsids, sphenopsids, ferns, cycadaleans, bennettitaleans, gnetaleans and ginkgoaleans, as well as conifers, and are similar to other Hettangian–Toarcian floral successions in Europe, showing the presence of a vast coniferous forest dominated by Hirmeriella in the early Hettangian, replaced by ginkgophyte-dominated floras in younger stages and araucarian conifer-dominated forests in the late Pliensbachian. Dinosaurs are documented mainly from their trace fossils (tracks and coprolites). Six distinct track assemblages (stratigraphically separated ichnoassemblages) of different ages can be identified. Current evidence indicates that while Anomoepus tracks are abundant throughout the long Hettangian–late Pliensbachian interval, medium-sized to large ornithischian tracks do not occur below the lower–middle Hettangian transition zone, associated with the first major marine transgression in the region. Hettangian strata with different theropod tracks (Grallator, Anchisauripus, Eubrontes, Kayentapus, cf. Megalosauripus), small Anomoepus tracks, numerous medium-sized Anomoepus-like tracks, Moyenisauropus tracks, tetradactyl tracks of sauropodomorphs (cf. Pseudotetrasauropus) and oval-shaped tracks of sauropods (Parabrontopodus) significantly contrast with the higher part of the Lower Jurassic succession (upper Pliensbachian Drzewica Formation and middle–upper Toarcian Borucice Formation) containing new types of medium-sized to large theropod tracks (Therangospodus), small and medium-sized bird-like tridactyl tracks (cf. Trisauropodiscus, cf. Anomoepus), exceptionally large, oval-shaped sauropod tracks (Sauropoda indet.), and new types of medium-sized and large ornithischian tracks (cf. Deltapodus, cf. Anomoepus). This points to a noticeable difference between the Hettangian and late Pliensbachian–Toarcian dinosaur ichnofaunas and may facilitate the study of regional and global changes and correlations. Both the palaeofloras and dinosaur trace fossils document ecosystem diversity and ecosystem changes, presented here in review form. The nature of these changes requires more detailed study, but preliminary results suggest the occurrence of rather complex and pronounced transformations in the dinosaur communities of the Holy Cross Mountains region. Based on our observations, the most significant event in Early Jurassic ecosystems took place within the Hettangian (change in floristic composition, the emergence of new groups of dinosaurs), but we also found what we believe to be a record of a major faunal turnover across the late Pliensbachian–middle–late Toarcian interval.
    Źródło:
    Geological Quarterly; 2022, 66, 3; art. no. 29
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Professor Piotr Roniewicz (1936-2019) In memoriam
    Autorzy:
    Wysocka, Anna
    Głowniak, Ewa
    Szulczewski, Michał
    Rudowski, Stanisław
    Giżejewski, Jerzy
    Karnkowski, Paweł Henryk
    Pieńkowski, Joanna
    Pieńkowski, Grzegorz
    Skompski, Stanisław
    Słaby, Ewa
    Kalinowska, Anna
    Sawicki, Gerard
    Powiązania:
    https://bibliotekanauki.pl/articles/1835582.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    biography
    memories
    geology
    biogram
    wspomnienia
    geologia
    Opis:
    Piotr Roniewicz was born in 1936 in Warsaw, however his family roots were in Stanisławów (nowadays Ivano-Frankivsk, Ukraine). He completed his university studies at the Faculty of Geology of the University of Warsaw in 1959, gaining a Master’s Degree. He began his geological career at this Faculty already as a 4th year student. In 1981-1984 he was the Vice-Dean and later in 1984-1990 – the Dean of the Faculty. Professor Roniewicz worked there until his retirement in 2006.
    Źródło:
    Acta Geologica Polonica; 2020, 70, 4; 435-452
    0001-5709
    Pojawia się w:
    Acta Geologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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