Table 4.

Comparison of the number and surface area of potential habitats and habitats infested by An. funestus and An. arabiensis in the four villages surveyed in both dry and rainy seasons. Percentage reductions in both number and area are included

Habitats	Habitat category	Rainy season		Dry season		Reduction in number of habitats from rainy season to dry season (%)	Reduction in surface area of habitats from rainy season to dry season (%)
		Total number of habitats, N	Total area of habitats found, m2	Total number of habitats, N	Total area of habitats found, m2
Late instars of An. funestus	Ground pools	16	1,075,814.3	7	62,405.9	56.2	94.2
	Human-made habitats	19	5964.3	9	13,942.8	52.6	+133.8
	Rice fields	10	25,247.6	3	1369.9	70	94.6
	River/stream segments	195	16,862	135	12,044.6	30.8	28.6
	Springs/wells	22	194.7	10	103	54.5	47.1
	Other small habitats	4	66.6	1	0.7	75	98.9
Overall		266	1,124,149.5	165	89,866.9	38	92
Late instars of An. arabiensis	Ground pools	12	1,086,758.3	3	3916.4	75	99.6
	Human-made habitats	14	5913.9	1	3.9	92.9	99.9
	Rice fields	18	50,745	2	20,211.3	88.9	60.2
	River/stream segments	22	4011.9	37	4399.5	+68.2	+9.7
	Springs/wells	49	383.6	2	13.1	95.9	96.6
	Other small habitats	2	358.7	5	82.1	+150	77.1
Overall		117	1,148,171.4	50	28,626.3	57.3	97.5
All potential habitats	Ground pools	44	1,158,902.1	35	202,464.9	20.5	82.5
	Human-made habitats	110	24,792.9	54	15,422.3	50.9	37.8
	Rice fields	79	350,810.5	19	68,495	75.9	80.5
	River/stream segments	813	91,851.8	554	64,257.4	31.9	30
	Springs/wells	201	8595.8	176	706.8	12.4	91.8
	Other small habitats	32	558.6	22	360.3	31.2	35.5
Overall		1279	1,635,511.7	860	351,706.7	32.8	78.5

⁺Indicates an increase in the proportion of the number or surface area in the dry season compared to the rainy season