VU

Sticta tunjensis

Unknown

Overview

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

Sticta tunjensis faces severe pressure from deforestation and habitat fragmentation in Colombia's montane cloud forests. Agricultural expansion and cattle ranching have eliminated much of its specialized epiphytic habitat, while climate change threatens to shift the narrow altitudinal zones where this lichen can survive. Air pollution from nearby urban areas may also compromise the species' ability to photosynthesize effectively.

Threat summary

Habitat

This epiphytic lichen inhabits the bark of trees in Colombia's montane cloud forests, typically found at elevations between 2,800-3,200 meters. It requires the consistently high humidity and stable temperatures characteristic of these specialized Andean ecosystems.

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Frequently asked questions

Why is Sticta tunjensis classified as Vulnerable?
Sticta tunjensis is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Sticta tunjensis faces severe pressure from deforestation and habitat fragmentation in Colombia's montane cloud forests. Agricultural expansion and cattle ranching have eliminated much of its specialized epiphytic habitat, while climate change threatens to shift the narrow altitudinal zones where this lichen can survive. Air pollution from nearby urban areas may also compromise the species' ability to photosynthesize effectively.
Where does Sticta tunjensis live?
Sticta tunjensis occurs in Colombia. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Sticta tunjensis?
The main threats to Sticta tunjensis 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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