Table 4.6 Dolphin encounter rates (sightings per 100 km of survey effort) during the impact monitoring period (December 2015 – February 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 (December 3^rd)	12.4	62.2
	Set 2 (December 10^th)	14.1	33.0
	Set 3 (January 6^th)	17.6	83.5
	Set 4 (January 21^st)	10.1	76.1
	Set 5 (February 4^th)	24.4	112.4
	Set 6 (February 19^th)	4.4	13.3