About our collaboration

Jonathan Loh and David Harmon are the co-investigators behind biocultural.info. Since 2003 we have collaborated on indices and other analyses of biocultural and linguistic diversity, publishing the results in books, scholarly papers, and op-eds.

David Harmon has been studying and writing about biocultural diversity as an independent researcher since the 1990s, while at the same time pursuing a career in protected area conservation. In 1996 he helped co-found Terralingua, the leading NGO focused on biocultural diversity, whose work has helped usher in the the widespread use of the concept in both academia and the international conservation arena.

Dave is the author of numerous books and articles on biocultural diversity, both singly and in collaboration with Jonathan.

Jonathan Loh and David Harmon have collaborated on indices and other analyses of biocultural and linguistic diversity since 2002. We believe that an integrated approach will lead to a better understanding of the natural and cultural diversity that sustains the planet’s ecosystems and civilization. This same biocultural approach also opens up new and effective conservation strategies for safeguarding Earth’s diversity.

Jonathan Loh holds an MSc in Environmental Technology (Ecological Management) from Imperial College London and a PhD in Ethnobiology from University of Kent, where he is an Honorary Research Fellow in the School of Anthropology and Conservation. As a consultant he has carried out projects for international conservation organizations such as the Secretariat of the Convention on Biological Diversity (CBD), the UNEP World Conservation Monitoring Centre (WCMC), the Worldwide Fund for Nature (WWF), and the Zoological Society of London (ZSL). From 1998 to 2008 he developed and edited the WWF Living Planet Report, a biennial publication on the state of the world's biodiversity and humanity's ecological footprint.


Our collaboration has been supported by many organizations and individuals over the years, and it is a pleasure for us to acknowledge and thank them here:

  • Luisa Maffi and colleagues at Terralingua helped launch our collaboration and provided the home for its early development, including that of the Index of Linguistic Diversity and the Index of Biocultural Diversity.

  • The Christensen Fund provided major financial and intellectual support for both these indices, and continues to lead the way on biocultural diversity among the philanthropic community.

  • WWF-Netherlands sponsored our report, Biocultural Diversity: Threatened Species, Endangered Languages.

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