EN

Robust Pillar

Cochlicopa nitens

UnknownLCEULCEU

Overview

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

The Robust Pillar faces severe habitat degradation from agricultural intensification and urban development across its limited range. Invasive plant species are altering the microhabitat conditions essential for this terrestrial gastropod's survival, while climate change is creating increasingly unsuitable moisture and temperature regimes. The species' restricted distribution and specialized habitat requirements make it particularly vulnerable to local extinctions from even small-scale disturbances.

Threat summary

Habitat

The Robust Pillar inhabits moist, calcareous soils in deciduous woodlands, particularly favoring areas with abundant leaf litter and limestone substrates. It requires stable moisture conditions and is typically found in undisturbed forest floor environments with specific pH and calcium requirements.

TERRESTRIAL· major

Threatened in Åland Islands

Calidris ferrugineaVU

Calidris ferruginea

Declining
Scarce BlackneckCR

Scarce Blackneck

Lygephila craccae

Unknown
EN

knopphodeedderkopp

Walckenaeria nodosa

Unknown
EN

Dolichopus notatus

Unknown

Frequently asked questions

Why is Robust Pillar classified as Endangered?
Robust Pillar is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. The Robust Pillar faces severe habitat degradation from agricultural intensification and urban development across its limited range. Invasive plant species are altering the microhabitat conditions essential for this terrestrial gastropod's survival, while climate change is creating increasingly unsuitable moisture and temperature regimes. The species' restricted distribution and specialized habitat requirements make it particularly vulnerable to local extinctions from even small-scale disturbances.
Where does Robust Pillar live?
Robust Pillar occurs in Åland Islands, Andorra, Austria, Canada, Czechia, and Denmark (plus 19 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 Robust Pillar?
The main threats to Robust Pillar 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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