State of the Apes
The Arcus Foundation

​

Volume 1. Extractive Industries and Ape Conservation

The first book in the State of the Apes series, published in 2014, focuses on extractive industries and their impacts on great apes. The book as a whole and individual chapters can be downloaded in English from the State of the Apes website, where readers will also find additional information related to this topic. French, Bahasa, and Mandarin editions of State of the Apes: Extractive Industries and Ape Conservation are also freely available for download.

​

Volume 2. Industrial Agriculture and Ape Conservation

Published in 2015, Volume 2 highlights the global expansion of industrial agriculture, especially palm oil production, and its consequences for great apes. All chapters of this book can be downloaded in English from the State of the Apes website. French, Bahasa, and Mandarin editions of State of the Apes: Extractive Industries and Ape Conservation are also available.

​

Volume 3. Infrastructure Development and Ape Conservation

Published in 2018, all chapters of this volume can be downloaded in English, French, Bahasa, and Mandarin from the State of the Apes website.

​

Volume 4. Killing, Capture, Trade and Conservation

Published in 2020, is focused on the impact that killing, capture and trade have on ape survival and welfare. All chapters of this volume can be downloaded in English, French, Bahasa, and Mandarin from the State of the Apes website.

​​

Volume 5. Disease, Health and Ape Conservation

The most recent volume in the series, published in 2024, expands on a theme that is linked to all four previous volumes: the impact of disease and other health considerations on apes and their habitats. In particular, Chapter 7 summarizes the impacts of industrial development projects on apes. All chapters of this volume can be downloaded in English from the State of the Apes website. French, Bahasa, and Mandarin versions will be available soon.

​

Annex to the State of the Apes: Ape Population Abundance Estimates
The SGA and MPI-EVAN collaborate to produce a bi-annual status update on all known populations of great apes as part of the State of the Apes book series. The latest version of the A.P.E.S. Population Abundance Annex can be downloaded here: https://www.stateoftheapes.com/themes/abundance-annex-ape-population-abundance-estimates/