Table 22. Cost analysis of fixed-wing aircraft, helicopter, 

 and ground (boat-foot) censusing of waterbird colonies. 



b c 



Fixed-wing Helicopter Boat-foot 



No. days 

 fian-hours 



Salary 



per diem 



Transportation 



(vehicle, tolls, 

 fees) 



Total 



per day 



Relative time-cost 



factor 1.0 5.1 8.6 



^Based on expenses of two professional wildlife biologists at (salary) $10/hour, 

 per diem $33/day, 8-hour working day. 



^Fixed-wing (De Havilland Beaver) $22/hr. , pilot $ll/hr. 



^Bell 47G5A $100/hr. 



41 



