“…(Platt 1977, Awbrey andBowles 1989) time to habituation versus sound pressure or distance to aircraft avoidance behavior reduced with habituation of nesting redtailed hawks to helicopter activity (Andersen et al 1989) probability of reproductive impact, given frequency of overflight probability of nesting and fledging success for overflightinduced flushing of raptors, adjusted for habituation (Awbrey and Bowles 1989) waterfowl probability of response versus several variables probability of flight response from flock of brant, based on altitude, lateral distance, noise, aircraft type, aircraft type times altitude, aircraft noise times lateral distance (Ward et al 1999) duration of response versus flock size logistic relationship between flock size of molting brant and duration of disturbance response (Derksen et al 1992) probability of response versus habituation proportion of overflights during which black ducks reacted versus reaction rate and days of exposure when habituation appeared to occur (Conomy et al 1998 (Maier et al 1998) daily time barren-ground caribou spend resting in late winter, negatively related to time-averaged noise level (Maier et al 1998) daily distance moved by post-calving barren-ground caribou correlated to SEL for loudest overflight of day (Maier et al 1998) level of response versus altitude percentages of barren ground caribou displaying behavioral responses at different overflight altitudes (Calef et al 1976) level of response versus frequency of overflights woodland caribou calf survival (no. survey periods that cow was accompanied by calf) negatively correlated with number of jet overflights reported < 1 km from an animal's location per day (relationship significant during the calving and immediate postcalving periods for the females known to have calved and for all females) (Harrington and Veitch 1992) number of resting bouts of barren-ground caribou related to number of overflights (Maier et al 1998) mean duration of resting bouts of barren-ground caribou negatively related to number of overflights (Maier et al 1998) response related to behavior prior to overflight traveling and feeding caribou were similar in their level of response; caribou at river crossings were more reactive than traveling or feeding animals, and resting animals were less reactive (Calef et al 1976) responses of caribou and muskoxen depend on previous activity of animals (Miller and Gunn 1979) more rapid running reaction of caribou and longer duration when animals walking prior to overflight, compared to animals feeding and standing or lying (Harrington and Veitch 1991) level of effects versus habituation bighorn sheep and mule deer habituate to low-level aircraft noise with...…”