Calogaya schistidii
CR

Calogaya schistidii

Local name: öländsk svavellav

Unknown

Photo: Photo: (c) Guillaume Labeyrie, some rights reserved (CC BY-NC), uploaded by Guillaume Labeyrie

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Öländsk svavellav faces severe threats from habitat degradation and loss of suitable limestone substrates on Öland island. The species' extremely restricted range and specialized ecological requirements make it highly vulnerable to environmental changes and human disturbances in its coastal limestone habitats.

Threat summary

Habitat

This lichen species occurs exclusively on limestone rocks and calcareous substrates in coastal areas of Öland, Sweden. It typically grows on exposed limestone surfaces in the distinctive alvar landscape, which consists of thin-soiled limestone plains with sparse vegetation.

TERRESTRIAL· major

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steppesvovellavCR

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Adonis BlueVU

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Frequently asked questions

Why is öländsk svavellav classified as Critically Endangered?
öländsk svavellav is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Öländsk svavellav faces severe threats from habitat degradation and loss of suitable limestone substrates on Öland island. The species' extremely restricted range and specialized ecological requirements make it highly vulnerable to environmental changes and human disturbances in its coastal limestone habitats.
Where does öländsk svavellav live?
öländsk svavellav occurs in Armenia, Austria, Azerbaijan, Canada, Croatia, and Czechia (plus 17 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to öländsk svavellav?
The main threats to öländsk svavellav are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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