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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
general
Distribution and numbers of Pygmies in central African forests
PLoS ONE, Volume 11, No. 1, Article e0144499, Year 2016
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Description
Pygmy populations occupy a vast territory extending west-to-east along the central African belt from the Congo Basin to Lake Victoria. However, their numbers and actual distribution is not known precisely. Here, we undertake this task by using locational data and population sizes for an unprecedented number of known Pygmy camps and settlements (n = 654) in five of the nine countries where currently distributed. With these data we develop spatial distribution models based on the favourability function, which distinguish areas with favourable environmental conditions from those less suitable for Pygmy presence. Highly favourable areas were significantly explained by presence of tropical forests, and by lower human pressure variables. For documented Pygmy settlements, we use the relationship between observed population sizes and predicted favourability values to estimate the total Pygmy population throughout Central Africa. We estimate that around 920,000 Pygmies (over 60% in DRC) is possible within favourable forest areas in Central Africa. We argue that fragmentation of the existing Pygmy populations, alongside pressure from extractive industries and sometimes conflict with conservation areas, endanger their future. There is an urgent need to inform policies that can mitigate against future external threats to these indigenous peoples' culture and lifestyles. © 2016 Olivero et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC4711706/bin/pone.0144499.s001.tif
https://efashare.b-cdn.net/share/pmc/articles/PMC4711706/bin/pone.0144499.s002.tif
https://efashare.b-cdn.net/share/pmc/articles/PMC4711706/bin/pone.0144499.s003.tif
https://efashare.b-cdn.net/share/pmc/articles/PMC4711706/bin/pone.0144499.s004.tif
https://efashare.b-cdn.net/share/pmc/articles/PMC4711706/bin/pone.0144499.s005.tif
https://efashare.b-cdn.net/share/pmc/articles/PMC4711706/bin/pone.0144499.s006.doc
https://efashare.b-cdn.net/share/pmc/articles/PMC4711706/bin/pone.0144499.s007.xls
https://efashare.b-cdn.net/share/pmc/articles/PMC4711706/bin/pone.0144499.s008.doc
https://efashare.b-cdn.net/share/pmc/articles/PMC4711706/bin/pone.0144499.s009.doc
Authors & Co-Authors
Olivero, Jesús
Spain, Malaga
Universidad de Málaga
Fa, J. E.
United Kingdom, Manchester
Manchester Metropolitan University
Indonesia, Bogor
Center for International Forestry Research, West Java
Farfán, M. A.
Spain, Malaga
Universidad de Málaga
Lewis, Jerome
United Kingdom, London
University College London
Hewlett, Barry Stephen
United States, Vancouver
Washington State University Vancouver
Breuer, Thomas
United States, New York
Wildlife Conservation Society
Carpaneto, Giuseppe Maria
Italy, Rome
Università Degli Studi Roma Tre
Germi, Francesco P.
Unknown Affiliation
Hattori, Shiho
Japan, Tenri
Tenri University
Ichikawa, Mitsuo
Unknown Affiliation
Migliano, Andrea Bamberg
United Kingdom, London
University College London
Noss, Andrew Jay
United States, Gainesville
University of Florida
Real, Raimundo
Spain, Malaga
Universidad de Málaga
Riddell, Michael
United Kingdom, Edinburgh
Bioclimate
Stevenson, Edward Geoffrey Jedediah
Unknown Affiliation
Vargas, Juan Mario
Spain, Malaga
Universidad de Málaga
Yasuoka, Hirokazu
Japan, Tokyo
Hosei University
Nasi, Robert P.
Indonesia, Bogor
Consultative Group on International Agricultural Research Cgiar
Statistics
Citations: 21
Authors: 18
Affiliations: 17
Identifiers
Doi:
10.1371/journal.pone.0144499
ISSN:
19326203
Research Areas
Health System And Policy
Study Design
Cross Sectional Study
Study Locations
Congo