. 2009 May 21;9:17. doi: 10.1186/1472-6785-9-17

Table 2.

Association analysis of species/forms co-occurrence across sampled locations

Biogeographic Domain^a	An. Arabiensis vs. An. gambiae S	An. Arabiensis vs. An. gambiae M	An. gambiae M vs. An. gambiae S
Savanna (SA, TD, AH, WH)	+0.16	+0.11	+0.11
	(+0.01, +0.33)	(+0.07, +0.14)	(+0.02, +0.18)
Forest (CP, AC)	-	-	+0.26
			(+0.08, +0.43)

^aBiogeographic domains are as defined in Figure 1: SA, Sahelian Area; TD, Tropical Dry; AH, Adamaoua Highlands; WH, Western Highlands; CP, Central Plateau; AC, Atlantic Coast.

Association coefficients V (95% bootstrap confidence limits) assessing the degree of co-occurrence of species pairs across sampled locations, stratified by major biogeographic domains.