Map of the study region showing: rainforest (dark green), woody savannas (light green) extracted from [25].

<p>The black line indicates the Rainforest Biotic Zone <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0112367#pone.0112367-White1" target="_blank">[27]</a>. Countries: A Angola; B Burundi; Ca Cameroon; CAR Central African Republic; Ch Chad; Co Congo; DRC Democratic Republic of the Congo; E Ethiopia; EG Equatorial Guinea; G Gabon; IT Ilemi Triangle; K Kenya; Ma Malawi; Mo Mozambique; N Nigeria; R Rwanda; S Sudan; U Uganda; URT United Republic of Tanzania; Za Zambia; Zi Zimbabwe.