Survey Guidelines

The IUCN Guidelines
This document outlines current approaches to great ape surveys and monitoring for field biologists, protected area managers, government wildlife departments and the conservation community at large.


Occasional Paper of the IUCN Species Survival Commission No. 36
H. Kühl, F. Maisels, M. Ancrenaz and E.A. Williamson (2008). Best Practice Guidelines for Surveys and Monitoring of Great Ape Populations. Gland, Switzerland: IUCN SSC Primate Specialist Group (PSG). 32 pp.
Download (Chapter 1, 2) (1.3MB)
Download (French) (Chapter 1, 2) (1.3MB)

Chapters 3, 5, 6 and 8 are available for download here. Please check back regularly for additional chapters and revisions.

F. Maisels, Rostand Aba'a (2008). Best Practice Guidelines for Surveys and Monitoring of Great Ape Populations.
Download (Chapter 3, Survey design) (3MB)

F. Maisels (2008). Best Practice Guidelines for Surveys and Monitoring of Great Ape Populations.
Download (Chapter 5 [Section 5.1 - 5.3], Field Issues: Logistics and data collection protocols) (1MB)

Chris S. Duvall (2006). Best Practice Guidelines for Surveys and Monitoring of Great Ape Populations.
Download (Chapter 5 [Section 5.4], Conducting Interviews in the Field) (0.14MB)

F. Maisels, A. Colom, and B. I. Inogwabini (2008). Best Practice Guidelines for Surveys and Monitoring of Great Ape Populations.
Download (Chapter 6, Training) (3.5MB)

F. Maisels (2008). Best Practice Guidelines for Surveys and Monitoring of Great Ape Populations.
Download (Chapter 8, Standardized reporting) (3.5MB)