Allegheny Portage Railroad National Historic Site Visitor Center (open)
Basic information
Sample name: Allegheny Portage Railroad National Historic Site Visitor Center (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]
Geography
Country: United States
State: Pennsylvania
Coordinate: 40° 31' N, 78° 24' W
Coordinate basis: based on nearby landmark
Geography comments: "10 km west of Altoona" (basis of coordinate)
elevation 346 to 734 m
elevation 346 to 734 m
Environment
Habitat: temperate broadleaf/mixed forest
Altered habitat: disturbed 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" but 16% is early successional and 10% is "cultural areas," suggesting the site is disturbed
climate data based on station 72520 (Pittsburgh International Airport)
climate data based on station 72520 (Pittsburgh International Airport)
Methods
Life forms: butterflies
Sites: 1
Site length: 500
Site width: 20
Sampling methods: belt transect,visual
Sample size: 102 captures or sightings
Years: 1998
Sampling comments: Pollard walk with butterflies counted up to 10 m on either side of the transect
Metadata
Sample number: 1319
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-02-21 10:58:54
Modified: 2015-02-21 00:10:22
Abundance distribution
18 species
6 singletons
total count 102
extrapolated richness: 33.6
Fisher's α: 6.342
geometric series k: 0.8436
Hurlbert's PIE: 0.8905
Shannon's H: 2.4648
Good's u: 0.9414
Each square represents a species. Square sizes are proportional to counts.
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