Prehliadanie podľa Autor "Kizilkaya, Selen"

Teraz sa zobrazuje 1 - 2 z 2
  • Obrázok miniatúry
    Položka
    Subfossil Chironomids from two Neighbouring, Size-differing Lakes in the Eastern Carpathians, Romania
    (Kocaeli University : Izmit, 2025) Kizilkaya, Selen; Hamerlík, Ladislav; Slobodníková, Veronika; Bitušík, Peter
    Subfossil chironomid remains were examined from short sediment sequences collected from two neigbouring alpine lakes in the Maramures Mountains, Eastern Carpathians, Romaniato assess and compare their past environmental changes. Lake Vinderel with a 0.9 ha area and 5.5 m maximum depth represents the largest lake in the region, whereas the Lake Livia with a 0.06 ha area and 3.5 m maximum depth is rather a small pond situated nearby. Inthis study, 34 cm long sediment sequences from lake Vinderel and 28 cm long sediment sequences from Livia were analysed. Both lakes yielded low taxonomic richness with 11 taxa for each lake. The assemblages of both lakes were dominated by Procladius sp., Chironomus anthracinus-type and Tanytarsus lugens-type. In contrast, Endochironomus impar-type appeared solely in lake Liviawhich suggesting low pH periods. Moreover, littoral taxa such as Dicrotendipes nervosus-type and Microtendipes pedellus-type were observed only in Lake Vinderel, whereas semi-terrestrial Limnophyes– Paralimnophyeswasexclusive to Lake Livia
  • Obrázok miniatúry
    Položka
    Subfossil Chironomids Reveal Past Hydrologic Shift in Lake Lala Mare, Eastern Carpathians
    (Kocaeli University : Izmit, 2025) Kizilkaya, Selen; Hamerlík, Ladislav; Slobodníková, Veronika; Kubovčík, Vladimír; Bitušík, Peter
    Lala Mare is a high-altitude glacial lake (1800 m a.s.l.) located in the Rodna Mountains of the Eastern Carpathians, Romania. In the present study, subfossil chironomids were analysed from a 20 cm sediment sequence to reconstruct past ecological and environmental conditions. A total of 1863 head capsules, representing 26 taxa, were identified, with overall low taxonomic richness. The assemblages were mainly dominated by Tanytarsus lugens-type and Procladius sp. Hierarchical classification analysis revealed two distinct zones: The lower zone was characterized by high abundances of Tanytarsus lugens-type, whereas in the upper zone Procladius sp. became dominant, by a decline in overall diversity, suggesting enhanced productivity. Cold-adapted taxa associated with flowing water, including Diamesa, Eukiefferiella, Tvetenia, and Pseudodiamesa branickii-type, were frequent in the 1stZone, reflecting a cold inflow. In contrast, rheophilic taxa disappeared in the second zone, reflecting a shift water inflow and hydrological changes.