Table 4.6    Dolphin encounter rates (sightings per 100 km of survey effort) during the impact monitoring period (June - August 2013) 

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        

(June 6, 2013)

17.9

35.9

Set 2       

(June 17, 2013)

21.2

52.9

Set 3
(July 5, 2013)

38.7

159.5

Set 4
(July 10, 2013)

35.8

153.5

Set 5
(August 21, 2013)

9.3

41.7

Set 6
(August 26, 2013)

38.5

125.0