VU

Richella hainanensis

Unknown

Overview

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

Richella hainanensis faces severe pressure from rapid deforestation and agricultural expansion across Hainan Island, where its specialized limestone karst habitat is being converted for rubber plantations and urban development. The species' extremely limited range makes it particularly vulnerable to habitat fragmentation, while collection pressure for traditional medicine and the ornamental trade has further reduced wild populations.

Threat summary

Habitat

This species is endemic to the limestone karst formations and tropical montane forests of Hainan Island, China, typically found in humid microhabitats within cave entrances and rocky crevices. It requires the specific microclimate conditions provided by the island's remaining primary forest cover at elevations between 200-800 meters.

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Frequently asked questions

Why is Richella hainanensis classified as Vulnerable?
Richella hainanensis 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. Richella hainanensis faces severe pressure from rapid deforestation and agricultural expansion across Hainan Island, where its specialized limestone karst habitat is being converted for rubber plantations and urban development. The species' extremely limited range makes it particularly vulnerable to habitat fragmentation, while collection pressure for traditional medicine and the ornamental trade has further reduced wild populations.
Where does Richella hainanensis live?
Richella hainanensis occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Richella hainanensis?
The main threats to Richella hainanensis 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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