Table 4.6 Dolphin encounter rates (sightings per 100 km of survey effort) during the impact monitoring period (March – May 2016)

Survey Area	Dolphin Monitoring	Encounter rate (STG) (no. of on-effort dolphin sightings per 100 km of survey effort)	Encounter rate (ANI) (no. of dolphins from all on-effort sightings per 100 km of survey effort)
		Primary Lines Only	Primary Lines Only
West Lantau	Set 1 (March 4^th)	4.4	13.3
	Set 2 (March 14^th)	11.4	51.4
	Set 3 (April 7^th)	13.0	82.6
	Set 4 (April 20^th)	0.0	0.0
	Set 5 (May 13^th)	18.1	54.2
	Set 6 (May 25^th)	10.9	92.5