VU

sorgnavling

Melanomphalia nigrescens

Unknown

Overview

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

Melanomphalia nigrescens faces significant pressure from habitat degradation in its specialized limestone cave and karst environments. Agricultural intensification and urban development in surrounding areas have altered water chemistry and sediment flows into cave systems. Tourism and recreational caving activities pose additional disturbance risks to this sensitive gastropod's microhabitat requirements.

Threat summary

Habitat

This species inhabits specialized limestone cave environments and associated karst formations, requiring specific moisture and temperature conditions found in underground ecosystems. It typically occurs in cave entrance zones and deeper chambers where stable microclimatic conditions support its ecological requirements.

TERRESTRIAL· major

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Frequently asked questions

Why is sorgnavling classified as Vulnerable?
sorgnavling 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. Melanomphalia nigrescens faces significant pressure from habitat degradation in its specialized limestone cave and karst environments. Agricultural intensification and urban development in surrounding areas have altered water chemistry and sediment flows into cave systems. Tourism and recreational caving activities pose additional disturbance risks to this sensitive gastropod's microhabitat requirements.
Where does sorgnavling live?
sorgnavling occurs in Denmark, Estonia, France, Germany, Portugal, and Sweden (plus 1 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 sorgnavling?
The main threats to sorgnavling 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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