- Southwestern Utah juniper Habitat use and 25 walking Gray Flycatchers Pavlacky and WY woodlands availability transects, used a combination Anderson 2001 removal centering 0.04-ha of high overstory circular juniper pinyon vegetation plots pine presence, on individual senescent-tree bird locations. density, and Marked all adult seedling/sapling birds density characteristic encountered. of late-successional PJ woodlands. - Piceance Basin, Mature Bird density Census using the Gray Flycatchers O’Meara et al. CO spot-mapping used foliage for 1981 removal woodland method. nesting and only (chaining) used unchained or edge no occurrence in chained plots. NC Zuni Indian Pinyon-juniper Number of Fixed point Gray Flycatcher Albert et al. 1995 Reservation, woodland occurrences counts detected in all thinning western NM and treatments and eastern AZ control; however, plot with highest pinyon-juniper density also had the most flycatcher occurrences. + Central Great Pinyon-juniper Incidence at each 75- or 100-m a Fleishman et al. Basin (NV) woodland, point-count location fixed-radius expansion 2014 expansion sagebrush point counts and scenario, models shrubsteppe, boosted predict a > 25% and riparian regression trees increase in occupied woodland to model area (summed incidence incidence). Pinyon NC Great Basin, Pinyon pine Counts Point counts and Breeding on both Woolley and removal Mono County, woodland with census, nest control and treatment Heath 2006 CA sporadic searching, and plots. juniper that territory spot merges into mapping
removal - Southwestern WY Utah juniper woodlands Habitat use and availability 25 walking transects, centering 0.04-ha circular vegetation plots on individual bird locations. Marked all adult birds encountered. Gray Flycatchers used a combination of high overstory juniper pinyon pine presence, senescent-tree density, and seedling/sapling density characteristic of late-successional PJ woodlands. Pavlacky and Anderson 2001 removal (chaining) - Piceance Basin, CO Mature woodland Bird density Census using the spot-mapping method. Gray Flycatchers used foliage for nesting and only used unchained or edge no occurrence in chained plots. O’Meara et al. 1981 thinning NC Zuni Indian Reservation, western NM and eastern AZ Pinyon-juniper woodland Number of occurrences Fixed point counts Gray Flycatcher detected in all treatments and control; however, plot with highest pinyon-juniper density also had the most flycatcher occurrences. Albert et al. 1995 expansion + Central Great Basin (NV) Pinyon-juniper woodland, sagebrush shrubsteppe, and riparian woodland Incidence at each point-count location 75- or 100-m fixed-radius point counts and boosted regression trees to model incidence a expansion scenario, models predict a > 25% increase in occupied area (summed incidence). Fleishman et al. 2014 Pinyon removal NC Great Basin, Mono County, CA Pinyon pine woodland with sporadic juniper that merges into Counts Point counts and census, nest searching, and territory spot mapping Breeding on both control and treatment plots. Woolley and Heath 2006