Allegheny Portage Railroad National Historic Site (open)
Basic information
Sample name: Allegheny Portage Railroad National Historic Site (open)

Reference: G. S. Keller and R. H. Yahner. 2002. Butterfly communities in two Pennsylvania national parks. Northeastern Naturalist 9(2):235-242 [ER 827]
Country: United States
State: Pennsylvania

Coordinate: 40° 31' N, 78° 24' W
Basis of coordinate: based on nearby landmark
Geography comments: "10 km west of Altoona" (basis of coordinate)
elevation 346 to 734 m
Habitat: temperate broadleaf/mixed forest
Substrate: ground surface
WMT: 23.4
CMT: -0.5
MAP: 954.0
Habitat comments: "deciduous forest is the dominant cover type (76% of total area) and is composed mainly of mature northern hardwoods"
climate data based on station 72520 (Pittsburgh International Airport)
Life forms: butterflies
Sites: 1
Site length: 500.000
Site width: 20.000
Sampling methods: belt transect, visual
Sample size: 302
Years: 1998
Sampling comments: Pollard walk with butterflies counted up to 10 m on either side of the transect
Sample: 1176
Contributor: John Alroy
Enterer: John Alroy
Created: 2014-09-30 15:05:29
Modified: 2014-09-30 15:05:29
Abundance distribution
18 species
5 singletons
total count 302
extrapolated richness: 25.9
Fisher's α: 4.196
geometric series k: 0.7763
Hurlbert's PIE: 0.8305
Shannon's H: 2.0848
Good's u: 0.9835
Each square represents a species. Square sizes are proportional to counts.