| Autor: |
Davydov, Evgeny A., Ebel, Aleksander L., Yakovchenko, Lidia S. |
| Předmět: |
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| Zdroj: |
Polar Biology; Mar2025, Vol. 48 Issue 1, p1-11, 11p |
| Abstrakt: |
Umbilicaria africana, hitherto only known from Africa, South America, Antarctica, and the Malay Archipelago in Southeast Asia is reported from the West Chukotkan sector of the Arctic and North Eurasia as whole. Morphological details of the Arctic material are provided. Umbilicaria aprina is excluded from the flora of the Chukotkan sector of the Arctic as a previous erroneous identification of the specimen of U. africana. The bipolar distribution of U. africana is discussed. Based on analyses of migratory bird species composition and their ecology in localities where arctic-alpine U. africana was collected, we suggest that the Northern Wheatear (Oenanthe oenanthe) might play an important role in the long-distance dispersal of specific propagula (thalloconidia) of U. africana from East Africa, and the Arctic Warbler (Phylloscopus borealis), the Eastern Yellow Wagtail (Motacilla tschutschensis), or less probably the Pechora Pipit (Anthus gustavi), from Australasia (Malay Archipelago). [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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