Ecological Insights, and Fin Fish Diversity in Carps Spawning Grounds: Case Studies from the Surma River and Tanguar Haor, Bangladesh

Table 2

Mean values of water quality parameters at various sampling stations analyzed by using the Kruskal–Wallis test throughout the study duration.

Parameters	Reference value [38–41]	Station
		Surma River (means ± standard deviation)	Tanguar Haor (means ± standard deviation)	value
Temperature (°C)	20–30	29.73 ± 0.20^a	29.73 ± 0.20^a	0.722
DO (ppm)	4–6	5.80 ± 0.12^a	5.90 ± 0.11^a	0.183
TDS (ppm)	<400	40.05 ± 0.77^a	38.81 ± 0.60^a	0.331
Turbidity (NTU)	—	21.55 ± 0.67^a	20.71 ± 0.29^a	0.470
Conductivity (μS/cm)	800–1000	85 ± 0.50^a	85 ± 0.90^a	0.191
pH	6.5–8.5	6.80 ± 0.29^a	6.97 ± 0.31^b	0.006
Ammonia (ppm)	—	0.18 ± 0.04^a	0.18 ± 0.02^a	0.530

Different superscripts indicated significant differences in Kruskal–Wallis test . Optimum range of water quality parameters from previous studies.