Zekiah Swamp Run
Basic information
Sample name: Zekiah Swamp Run

Reference: P. H. Graves III and P. J. Ciccotto. 2011. The nymphal odonate fauna of two watersheds in the Lower Potomac River Basin, Maryland, with emphasis on rare taxa. Northeastern Naturalist 18(4):445-456 [ER 1076]
Country: United States
State: Maryland

Coordinate: 38° 25' N, 76° 56' W
Basis of coordinate: based on nearby landmark
Geography comments: "southeast of Washington, DC in the Lower Potomac River basin" (coordinate based on Zekiah Swamp)
Habitat: temperate broadleaf/mixed forest
Substrate: lake bottom/stream bed
Habitat comments: "Pine-hardwood forests cover over half of the area"
Life forms: odonates
Sites: 137
Sampling methods: no design, other nets
Sample size: 251
Years: 2000 - 2010
Sampling comments: "1.86 m2" were sampled in each habitat "using a 540-micron mesh D-net"
Sample: 1587
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-05-23 15:43:10
Modified: 2015-05-23 15:43:10
Abundance distribution
30 species
9 singletons
total count 251
extrapolated richness: 45.2
Fisher's α: 8.887
geometric series k: 0.8770
Hurlbert's PIE: 0.9003
Shannon's H: 2.6862
Good's u: 0.9642
Each square represents a species. Square sizes are proportional to counts.