Table 3. NASC by transect using three-side fyke nets in Yedang Reservoir (June)

Transect line	A		B (daytime)		B (nighttime)
	ni	NASC	ni	NASC	ni	NASC
1	7	89.6	3	86.7	3	365.7
2	8	49.2	4	145.7	5	684.2
3	9	63.0	4	25.5	5	543.8
4	8	99.1	4	21.4	3	399.7
5	10	107.0	3	7.9	3	423.0
6	6	67.8	2	28.2	2	11.6
7	5	24.9	-	-	-	-
8	4	105.2	-	-	-	-
∑i=1Nni	57.0		20.0		21.0
Survey area (m2)	0.126 × 107		0.013 × 107		0.013 × 107
Coefficient of variation (%)	12.8		43.6		17.2

A, Survey area A site; B, Survey area B site; NASC, nautical area scattering coefficients; -, not detected.