Composition of Periphyton Community on Water Hyacinth (Eichhornia crassipes): In Analysis of Environmental Characteristics at Ejirin Part of Epe Lagoon in Southwestern Nigeria

Table 3

Pearson correlation coefficient matrix of water quality indices, total periphyton abundance, and rainfall from December 2012 to May 2013 at Ejirin, part of Epe Lagoon.

Parameters
	Total abundance	Rainfall
Rainfall	0.745	1
Water temperature	0.744	0.855^*
Transparency	−0.886^*	−0.755
pH	0.797	0.65
Conductivity	0.115	0.701
TSS	−0.423	−0.652
TDS	0.836^*	0.678
Salinity	0.403	−0.183
Reactive nitrate	−0.533	−0.375
Reactive phosphate	0.247	−0.319
Sulphate	0.707	0.374
Silicate	−0.870^*	−0.53
Peri. chlorophyll a	−0.566	−0.007
BOD	−0.039	−0.398
COD	0.955^**	0.587
DO	−0.597	−0.206

Correlation is significant at 0.05 level (2-tailed).
^**Correlation is significant at 0.01 level (2-tailed).