VU

Knema riangensis

Unknown

Overview

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

Knema riangensis faces severe pressure from deforestation and forest degradation across its limited range in Southeast Asian lowland forests. The species is particularly vulnerable due to its restricted distribution and dependence on primary forest habitats that are being rapidly converted for palm oil plantations and agricultural development. Selective logging targeting valuable timber species in the same forest ecosystems further fragments remaining populations.

Threat summary

Habitat

Knema riangensis inhabits lowland primary rainforests and mature secondary forests in Southeast Asia, typically occurring in areas with high humidity and dense canopy cover. The species is found in both hill forests and coastal lowland areas, preferring undisturbed forest environments with rich soil conditions.

Frequently asked questions

Why is Knema riangensis classified as Vulnerable?
Knema riangensis 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. Knema riangensis faces severe pressure from deforestation and forest degradation across its limited range in Southeast Asian lowland forests. The species is particularly vulnerable due to its restricted distribution and dependence on primary forest habitats that are being rapidly converted for palm oil plantations and agricultural development. Selective logging targeting valuable timber species in the same forest ecosystems further fragments remaining populations.
Where does Knema riangensis live?
Knema riangensis occurs in Indonesia, and Malaysia. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Knema riangensis?
The main threats to Knema riangensis 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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