ArticleScientific reports2017
First integrative trend analysis for a great ape species in Borneo.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
10 citing papers in PubMed.
- Outcomes of orangutan wild-to-wild translocations reveal conservation and welfare risks.PloS one · 2025Article
- Advocacy and Activism as Essential Tools in Primate Conservation.International journal of primatology · 2022Article
- Article
- No time to rest: How the effects of climate change on nest decay threaten the conservation of apes in the wild.PloS one · 2021Article
- Disease Risk and Conservation Implications of Orangutan Translocations.Frontiers in veterinary science · 2021Article
- Densities of Bornean orang-utans (Pongo pygmaeus morio) in heavily degraded forest and oil palm plantations in Sabah, Borneo.American journal of primatology · 2019Article
- Article
- Population estimates of Bornean orang-utans using Bayesian analysis at the greater Batang Ai-Lanjak-Entimau landscape in Sarawak, Malaysia.Scientific reports · 2018Article
- Orangutans venture out of the rainforest and into the Anthropocene.Science advances · 2018Review
- Article
Corrections and comments
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Authors and funding
47 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
For many threatened species the rate and drivers of population decline are difficult to assess accurately: species' surveys are typically restricted to small geographic areas, are conducted over short time periods, and employ a wide range of survey protocols. We addressed methodological challenges for assessing change in the abundance of an endangered species. We applied novel methods for integrating field and interview survey data for the critically endangered Bornean orangutan (Pongo pygmaeus), allowing a deeper understanding of the species' persistence through time. Our analysis revealed that Bornean orangutan populations have declined at a rate of 25% over the last 10 years. Survival rates of the species are lowest in areas with intermediate rainfall, where complex interrelations between soil fertility, agricultural productivity, and human settlement patterns influence persistence. These areas also have highest threats from human-wildlife conflict. Survival rates are further positively associated with forest extent, but are lower in areas where surrounding forest has been recently converted to industrial agriculture. Our study highlights the urgency of determining specific management interventions needed in different locations to counter the trend of decline and its associated drivers.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.