Top 20 institutions in Earth & Environmental Sciences in Africa

The tables show leading institutions ranked by their fractional count (FC) in Earth and environmental sciences from 2015 to 2017. Also listed are institutions’ total number of Earth and environmental sciences articles in the Nature Index (AC 2015–2017) and the proportion of each institution’s FC in Earth and environmental sciences relative to total FC from 2015 to 2017 (% E&E 2015–2017).

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1	University of Cape Town (UCT)	South Africa	10.97	49	32.9%
2	University of Johannesburg (UJ)	South Africa	6.43	32	52.5%
3	University of the Witwatersrand, Johannesburg (Wits University)	South Africa	6.38	37	20.3%
4	Council for Scientific and Industrial Research (CSIR) in South Africa	South Africa	2.22	10	55.6%
5	Addis Ababa University (AAU)	Ethiopia	1.86	13	64.6%
6	South African National Space Agency (SANSA)	South Africa	1.78	5	100.0%
7	North-West University (NWU)	South Africa	1.70	7	56.8%
8	University of Pretoria (UP)	South Africa	1.38	11	19.6%
9	Rhodes University (RU)	South Africa	1.24	8	30.7%
10	University of KwaZulu-Natal (UKZN)	South Africa	1.16	12	4.5%
11	South African Weather Service (SAWS)	South Africa	0.87	5	100.0%
12	University of the Free State (UFS)	South Africa	0.83	2	16.2%
13	Assiut University	Egypt	0.81	5	49.9%
14	Nambibia Ministry of Mines and Energy (MME)	Namibia	0.75	4	100.0%
15	National Research Institute of Astronomy and Geophysics (NRIAG)	Egypt	0.70	8	100.0%
16	International Centre for Medical Research in Franceville (CIRMF)	Gabon	0.67	3	35.7%
17	University of Zimbabwe (UZ)	Zimbabwe	0.67	1	84.5%
18	Stellenbosch University (SU)	South Africa	0.65	12	2.2%
19	University of Gabès	Tunisia	0.64	2	92.8%
20	Makerere University	Uganda	0.64	4	42.8%