Table 1.

Description of MODIS classes. Mean and s.d. of EVI, percentage of good quality observation (pixel reliability obtained from NASA documentation) and sum and s.d. of rainfall are given for each class, so as the R² indicated the fraction of variation in EVI explained by rainfall.

MODIS classes: number and description		EVI			rainfall (mm)		R²
		mean	s.d.	obs. %	sum	s.d.
3	open water: rivers, lakes	0.25	0.032	0.95	1454	25	0.34
7	savanna of the Sudano-Guineanian domain (north)	0.38	0.123	0.91	1384	55	0.83
8	savanna of the Sudano-Guineanian domain (south)	0.42	0.120	0.91	1368	55	0.80
9	savanna of the Sudano-Guinean domain between Berberati and Mbaiki	0.40	0.109	0.94	1376	57	0.80
4	savanna included in dense forests	0.31	0.058	0.86	1439	44	0.83
5	savanna included in dense forests, along main rivers and Marantaceae forests (south Ouesso)	0.34	0.042	0.88	1469	29	0.26
6	savanna included in dense forests, along main rivers and Marantaceae forests (north Congo)	0.39	0.038	0.87	1443	33	0.43
10	savanna-forest edge mixed with agriculture	0.45	0.089	0.90	1383	55	0.82
13	very open forests mixed with agriculture	0.48	0.066	0.92	1388	52	0.85
14	very open forests located along roads and Maranthaceae forests (south Ouesso, north Congo)	0.51	0.048	0.93	1418	34	0.71
48	open forests closed to main roads and cities	0.48	0.050	0.91	1430	49	0.69
44	dense semi-deciduous forests mostly located in CAR	0.46	0.054	0.92	1410	50	0.72
43	dense semi-deciduous forests in the Sangha River Interval	0.46	0.047	0.88	1447	47	0.63
45	dense semi-deciduous forests mostly located in the Oubangui Basin	0.47	0.051	0.92	1399	38	0.84
38	dense evergreen forests in Gabon	0.41	0.054	0.59	1531	59	0.59
39	dense evergreen forests in Cameroon	0.43	0.043	0.71	1506	53	0.72
41	dense evergreen forests with a disjunctive spatial distribution:	0.44	0.045	0.89	1444	48	0.70
	— south CAR and north Congo
	— western limit of class 40 in Cameroon
40	dense evergreen forests located at the western limit of 38 and 39	0.44	0.046	0.73	1536	47	0.57
42	dense evergreen forests at the edge of swamp forest in north Congo	0.45	0.044	0.91	1449	31	0.71
46	open evergreen forests mixed with swamp forest in north Congo	0.47	0.045	0.88	1475	35	0.49
49	open evergreen forests located in north Congo closed to rivers and Marantaceae forests	0.49	0.046	0.92	1435	31	0.58
12	swamp forests located in the Congo Basin	0.43	0.040	0.92	1445	28	0.73
11	swamp located at the valley bottom in the Congo Basin and along rivers in Cameroon and Gabon	0.41	0.039	0.84	1477	34	0.68