Table 4.6    Dolphin encounter rates (sightings per 100 km of survey effort) during the impact monitoring period (March – May 2014) 

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 12, 2014)

14.8

84.0

Set 2        

(March 26, 2014)

28.4

132.8

Set 3
(April 15, 2014)

23.4

58.6

Set 4
(April 23, 2014)

0.0

0.0

Set 5
(May 7, 2014)

9.2

32.3

Set 6
(May 20, 2014)

10.5

83.8