Water quality and immatures of the M and S forms of Anopheles gambiae s.s. and An. arabiensis in a Malian village

Table 6 Associations between the proportional frequencies of the immatures of An. gambiae s.s. and An. arabiensis among sampling sites within a habitat as influenced by each physicochemical property of water during a category of rainfall in Banambani

Source	df	Young		Old
		χ ²	P	χ ²	P
Conductivity	1	0.01	0.906	0.15	0.702
Site within a habitat	2	7.12	0.028*	3.00	0.224
Category of rainfall	2	0.36	0.835	1.37	0.504
Orthophosphate	1	0.77	0.381	1.88	0.170
Site within a habitat	2	7.27	0.026*	0.56	0.756
Category of rainfall	2	0.01	0.995	1.54	0.464
pH	1	0.30	0.585	2.22	0.163
Site within a habitat	2	6.95	0.031*	1.82	0.403
Category of rainfall	2	0.29	0.867	1.52	0.136
TDS	1	0.06	0.806	3.23	0.601
Site within a habitat	2	7.08	0.029*	3.23	0.199
Category of rainfall	2	0.35	0.841	1.36	0.506

ISSN: 1475-2875