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We present the first large-scale synthesis of indigenous knowledge (IK) on New Guinea’s useful plants based on a quantitative review of 488 references and 854 herbarium specimens. Specifically, we assessed (i) spatiotemporal trends in the documentation of IK, (ii) which are New Guinea’s most useful ecosystems and plant taxa, (iii) what use categories have been better studied, and (iv) which are the best studied indigenous groups. Overall, our review integrates40,376 use reports and 19,948 plant uses for 3434 plant species.

SDG

DEC

Pacific tourism

Bidiversity assessment

Plant diversity

Species diversity

Species diversity

PNG Biosafety

Biological survey

Coral bleaching

Marine fisheries

Vegetation dynamics

Forest

Convention on Biodiversity National Report for PNG

Conservation needs asessment for PNG

Ramsar National Report to COP 13

UNCCD National Report for Papua New Guinea

Ramsar and wetlands

Papua New Guinea (PNG) is committed to the establishment of a network of protected areas to fulfil national and international commitments.