Hydro-climatic consequences on zooplankton diversity and abundance in perennial Vavuniya reservoir and seasonal Thandikulam reservoir in Vavuniya, Sri Lanka

The Journal of Basic and Applied Zoology

Table 4 Correlation coefficient values for zooplankton abundance with environmental parameters

Parameter	Correlation coefficient values (r) for Zooplankton abundance (Individual/\({\text{m}}^{3}\))
	VR				TR
	Cop	Clad	Rot	Total	Cop	Clad	Rot	Total
RF	0.091	− 0.365	0.582	0.327	0.177	− 0.392	0.520	− 0.110
AT	− 0.816*	0.586	0.690	− 0.926*	− 0.905*	0.714	0.454	− 0.798
WL	0.522	− 0.856*	0.777	0.734	0.802	− 0.417	0.556	0.817*
WT	− 0.545	0.508	0.076	− 0.277	− 0.912*	0.764	0.408	− 0.783
DO	0.984**	− 0.094	0.153	0.745	0.524	− 0.223	0.152	0.454
\({\text{NO}}_{3}^{-}\)	− 0.594	− 0.003	0.755	− 0.922*	− 0.648	0.352	0.217	− 0.608
\({\text{PO}}_{4}^{{3}-}\)	− 0.483	− 0.164	0.679	− 0.839*	− 0.568	0.184	0.266	− 0.595

*Correlation is significant at the 0.05 level (1—tailed) (Cop—Copepoda; Clad—Cladocera; Rot—Rotifera)
**Correlation is significant at the 0.01 level (1—tailed)