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    Wyświetlanie 1-3 z 3
    Tytuł:
    Comparative Assessment of Geomorphological and Landscape Features Around the Small Aral Sea
    Autorzy:
    Issayeva, Akmaral U.
    Yeshibayev, Arystanbek A.
    Leska, Boguslawa M.
    Messyasz, Beata
    Abubakirova, Azhar A.
    Tleukeyeva, Assel Ye.
    Powiązania:
    https://bibliotekanauki.pl/articles/2027951.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    ecology
    Aral Sea
    salinity
    flora
    landscape
    Opis:
    The ecological state of the Aral Sea remains an important issue affecting the overall state of the ecosystem in the region. Despite the fact that the state of the northern part of the sea or the Small Aral Sea can be described as stable, the southern part of the former sea continues to degrade. The area of degraded ecosystems around the Small Aral Sea is significant, and huge salt reserves remain the cause of further degradation of terrestrial ecosystems in the Aral Sea region. This study includes the results of geobotanical investigations researches of the dried bottom around the Small Aral Sea area. Five types of landscape-geomorphological formations of the dried-up sea were identified during the research. The creation of the formations took place during different periods of drying and depended on the element’s of sea relief. The vegetation of these landscapes is represented exclusively by salt-tolerant species of xerophytic flora. In this case, the number of plant species in the plant communities of these landscapes is directly proportional to the concentration of salt in the soil.
    Źródło:
    Journal of Ecological Engineering; 2021, 22, 10; 73-84
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    First record of a basal neoceratopsian dinosaur from the Late Cretaceous of Kazakhstan
    Autorzy:
    Averianov, A
    Sues, H.D.
    Powiązania:
    https://bibliotekanauki.pl/articles/23104.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    paleontology
    first record
    neoceratopsian dinosaur
    dinosaur
    Late Cretaceous
    Cretaceous
    Kazakhstan
    systematics
    Aral Sea
    Opis:
    The oldest known ceratopsians come from the Late Jurassic of China (Zhao et al. 1999; Xu et al. 2006). During the Early Cretaceous, the basal ceratopsian Psittacosaurus was among the most common dinosaurs in Asia but more derived basal neoceratopsians were quite rare on that continent (Xu et al. 2002; Makovicky and Norell 2006). Basal neoceratopsians became more abundant in the Late Cretaceous of Mongolia and China, although they are not known in this region from the latest Cretaceous (You and Dodson 2004; Alifanov 2008). In contrast, basal neoceratopsians are rare during the Early Cretaceous in North America but became common and diverse during the Campanian and Maastrichtian (You and Dodson 2004; Chinnery and Horner 2007). Little is known about the evolutionary history of this group in more inland regions of what are now Kazakhstan and adjoining countries. Asiaceratops documents the presence of basal neoceratopsians in the Cenomanian of Uzbekistan (Nessov et al. 1989). Here we report on the first record of a basal neoceratopsian in the Late Cretaceous of Kazakhstan, based on two cranial bones from the Turonian Zhirkindek Formation in the northeastern Aral Sea region.
    Źródło:
    Acta Palaeontologica Polonica; 2009, 54, 3; 553-556
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new eutherian mammal from the Late Cretaceous of Kazakhstan
    Autorzy:
    Averianov, A.
    Archibald, J.D.
    Dyke, G.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/945883.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    molar
    eutherian mammal
    mammal
    Cretaceous
    paleontology
    Late Cretaceous
    Kazakhstan
    Aral Sea
    deposit
    Zhalmouzia bazhanovi
    Beleutinus orlovi
    Opis:
    A dentary fragment containing the last two molars (m2–3) from the Late Cretaceous (Santonian–?Campanian) Bostobe Formation exposed at the locality of Shakh Shakh, northeast Aral Sea region, Kazakhstan, is attributed to a new taxon of Zhelestidae, Zhalmouzia bazhanovi Averianov and Archibald gen. et sp. nov. This specimen is only the second mammal described from Shakh Shakh, the unidentifiable eutherian Beleutinus orlovi Bazhanov, 1972, being the first, and it is only the fifth Mesozoic mammal named from Kazakhstan. Zhalmouzia Averianov and Archibald gen. nov. belongs to the endemic clade of Middle Asian zhelestids (Zhelestinae), better known from the Turonian of Uzbekistan.
    Źródło:
    Acta Palaeontologica Polonica; 2014, 59, 3; 537-542
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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