Abundance, Distribution, and Diversity of Freshwater Snail and Prevalences of Their Infection by Cercaria of Fasciola gigantica and Schistosoma spp at Mayo-Vreck River, Far North Region of Cameroon

Table 5

Correlation between physicochemical parameters and mollusc populations.

Parameters	L. natalensis	B. globosus	B. tropicus	B truncatus	B. pfeifferi	B. unicolor	Bithynia sp.	M. tuberculata
Alkalinity	0.076	−0.021	0.190	0.061	0.069	0.601	0.547	0.517
pH	0.085	−0.141	−0.038	−0.146	−0.208	−0.228	−0.090	−0.096
Temperature	0.439	0.160	0.205	0.259	0.388	0.414	0.265	0.386
EC (µS/cm)	−0.119	−0.074	−0.084	−0.077	−0.439	−0.258	−0.105	−0.171
Depth (cm)	−0.060	−0.023	−0.035	−0.004	−0.231	−0.223	−0.054	−0.077
Do (mg/l)	−0.143	−0.113	0.045	−0.138	−0.182	−0.324	0.015	−0.140
DSC (ppm)	−0.008	−0.078	−0.016	−0.025	−0.248	−0.226	−0.115	−0.036

Values followed by the same letters do not show a significant difference at the 5% threshold.