Table 1. GEC study areas and sampling effort by country.
Survey intensity is the proportion of the ecosystem sampled on aerial surveys. “W. Africa” refers to the W-Arly-Pendjari Ecosystem in Burkina Faso, Benin, and Niger.
| Country | Ecosystem area (km2) | Total transect length (km) | Area surveyed (km2) | Survey intensity |
|---|---|---|---|---|
| Angola | 43,459 | 9,443 | 3,386 | 8% |
| Botswana | 101,599 | 31,486 | 15,458 | 15% |
| Cameroon | 20,598 | 4,955 | 1,509 | 7% |
| Chad | 9,799 | 15,967 | 8,789 | 90% |
| DR Congo | 9,349 | 10,209 | 4,707 | 50% |
| Ethiopia | 32,791 | 3,553 | 32,791 | 100% |
| Kenya | 85,711 | 34,505 | 32,401 | 38% |
| Malawi | 2,991 | 1,300 | 2,991 | 100% |
| Mali | 3,944 | 3,096 | 3,944 | 100% |
| Mozambique | 101,077 | 30,749 | 12,967 | 13% |
| South Africa | 19,809 | 18,139 | 19,809 | 100% |
| Tanzania | 268,250 | 74,047 | 56,902 | 21% |
| Uganda | 10,938 | 8,941 | 4,588 | 42% |
| W. Africa | 29,981 | 9,113 | 2,914 | 10% |
| Zambia | 84,814 | 19,065 | 6,643 | 8% |
| Zimbabwe | 68,851 | 19,949 | 8,441 | 12% |
| TOTAL | 893,961 | 294,517 | 218,238 | 24% |