Gibbon Survey Tools
Note that these tools for estimating populations of gibbons are tools only; surveyors must ensure that all assumptions of the methods used are being met. Note also that the SECR manual and software are works in progress and are being further refined in 2015.
Manual for using Spatially Explicit Capture Recapture (SECR) techniques for surveying gibbons using auditory surveys
Software for calculating gibbon population densities using Spatially Explicit Capture Recapture (SECR) techniques. You will need the software program R to run this software. Download and read more information about R project
Guidelines for calculating gibbon population density from auditory surveys using point counts
Spreadsheets for calculating gibbon population densities using point counts
Primates in Peril
Primates in Peril: The 25 Most Endangered Primates 2012-2014
Every two years the PSG produces a list of the 25 most endangered primates globally which includes the Hainan gibbon.
Best Practice Guidelines
Best Practice Guidelines for Gibbon Rehabilitation and Translocation (2015)
Gibbon rehabilitation and translocation is becoming an increasingly important conservation tool given the large number of gibbons in captivity and their threatened status in the wild. These IUCN Best Practice Guidelines, produced by the SSA, provide a complete guide to the rehabilitation and translocation process.
Summary versions of the guidelines are available in English, Bahasa Malaysia ,Khmer (Cambodia), Chinese and Bahasa Indonesia. The final summary translation in Thai will be available from October 2017.
Action Plans and Conservation Workshop Reports
Hainan Gibbon Conservation Action Plan 2016–2020 (2016).
The final action plan including actions and budgets for the Critically Endangered Hainan Gibbon.
International Conservation Planning Workshop for the Hainan Gibbon (2015).
The final workshop report from the 2014 Conservation Planning Workshop for the Critically Endangered Hainan Gibbon.
The Conservation Status of Hoolock Gibbons in Myanmar (2013).
The first comprehensive overview of Eastern and Western Hoolock gibbon status in Myanmar.
Hoolock Gibbon Action Plan for China (2013)
Conservation Action Plan of Western Black Crested Gibbon in Yunnan Province 2012-2015 (2012)
A full Chinese version of the Chinese action plan for Western black crested gibbon in Yunnan, China.
An English abridged version of the Conservation Action Plan for Western black crested gibbon in Yunnan Province, China.
The Conservation Status of Gibbons in Vietnam (2011).
A site by site assessment of all gibbon records in Vietnam between 2000 to 2011 with conservation recommendations. Available in English and Vietnamese.
Gibbon Conservation Action Plan for Lao PDR 2011-2020 (2011)
Action plan for all six of Lao PDR’s gibbon species. Available in English and Lao.
Preliminary Gibbon Status Review for Lao PDR (2008)
An overview of the status of gibbons in Laos from historical records with recommendations.
Indonesian Gibbon Conservation and Management Workshop (2008)
A document which outlines threats and actions for conservation of Indonesia’s gibbons.
Conservation of Western Hoolock gibbon (Hoolock hoolock hoolock) in India and Bangladesh (2005).
A comprehensive overview of the status and threats of the western Hoolock including a PHVA.
Hainan Gibbon Status Survey and Conservation Action Plan (2005)
The first action planning process for the Critically Endangered Hainan gibbon. See the Conservation Planning Workshop for the Hainan Gibbon (2014) for the most recent planning.
Vietnam Primate Conservation Status Review 1: Gibbons (2000)
The first status review of Vietnam’s gibbons which documents all records before 2000. See the Conservation Status of Gibbons in Vietnam (2011) for more recent records.