Table 4.6    Dolphin encounter rates (sightings per 100 km of survey effort) during the impact monitoring period (June – August 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 (June 9th)

15.8

121.2

Set 2 (June 18th)

6.5

38.9

Set 3 (July 6th)

13.1

74.5

Set 4 (July 28th)

13.2

66.0

Set 5 (August 18th)

20.5

61.5

Set 6 (August 26th)

5.0

5.0