Representatives of the family Teloschistaceae as a component of the vegetation cover of rocky outcrops in the Chusovaya River valley (Middle Urals)

Authors

  • Ekaterina A. Lavrskaya Perm State Humanitarian Pedagogical University, Perm, Russia
  • Aleksey E. Selivanov Perm State Humanitarian Pedagogical University, Perm, Russia
  • Ksenia O. Pechenkina Perm State Humanitarian Pedagogical University, Perm, Russia

DOI:

https://doi.org/10.17072/1994-9952-2024-3-263-268

Keywords:

Chusovaya River, epilithic lichens, lichen cover, projective coverage, occurrence, phytocenotic role

Abstract

The paper presents data on the patterns of lichens of the family Teloschistaceae on coastal rocks in the middle reaches of the Chusovaya River from the village of Kyn to the town of Chusovoy (Perm Krai, Sverdlovsk Oblast). To describe the lichen cover on rocky outcrops, 30×30 cm survey plots were laid out. Each site was photographed with a scale ruler, and habitat characteristics such as surface slope, exposure, overhangs, and rock were recorded. The family Teloschistaceae in the study area on rocky outcrops is represented by three genera: Caloplaca, Rusavskia, and Xanthoria. Of these genera, Rusavskia has the highest occurrence and projective coverage. Maximum indicators of occurrence of representatives of the family are noted on limestone rocks. On rocks from other rocks (sandstones) they occur less frequently. Teloschistaceae show higher values of projective coverage and occurrence on southern and eastern exposures. Representatives of Teloschistaceae are among the dominant species that play an important role in the lichen cover of coastal rock outcrops. The main factors determining their distribution on the studied substrates are exposure, rock type, and relief character.

Author Biographies

  • Ekaterina A. Lavrskaya, Perm State Humanitarian Pedagogical University, Perm, Russia
    Assistant of the Department of Biology and Geography; Рostgraduate Student the Department of Botany and Plant Genetics
  • Aleksey E. Selivanov, Perm State Humanitarian Pedagogical University, Perm, Russia
    candidat of biology, head of the Department of botany and geography
  • Ksenia O. Pechenkina, Perm State Humanitarian Pedagogical University, Perm, Russia
    Assistant of the Department of Biology and Geography; Рostgraduate Student the Department of Botany and Plant Genetics

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Published

2024-11-05

How to Cite

Representatives of the family Teloschistaceae as a component of the vegetation cover of rocky outcrops in the Chusovaya River valley (Middle Urals). (2024). Bulletin of Perm University. Biology, 3, 263‒268. https://doi.org/10.17072/1994-9952-2024-3-263-268

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