Effects of Bahir Dar Textile Factory Effluents on the Water Quality of the Head Waters of Blue Nile River, Ethiopia

Table 3

Mean values ± std. error of , HFBI, and % dipterans at each sampling site.

Sampling sites		HFBI	% Dipterans
U	2 ± .00a	6 ± .14bc	2.7 ± 1.3b
A	1.8 ± .33a	7.5 ± .91ab	10.7 ± 3.5a
D	2 ± .11a	7.9 ± .26a	0 ± .00bc

Different letters within the same column show significant differences (). ; Shannon-Wiener Diversity Index, HFBI: Hilsenhoff family-level biotic index, and Std. error; standard error.