Table 4.6 Dolphin encounter rates (sightings per 100 km of survey effort) during the impact monitoring period (March – May 2015)

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 19^th)	9.7	106.4
	Set 2 (March 27^th)	18.7	56.1
	Set 3 (April 2^nd)	12.2	12.2
	Set 4 (April 13^th)	5.8	5.8
	Set 5 (May 7^th)	15.1	65.3
	Set 6 (May 15^th)	13.1	26.1