Basic information
Sample name: Zackenberg

Reference: T. T. Hoye, A. Eskildsen, R. R. Hansen, J. J. Bowden, N. M. Schmidt, and W. D. Kissling. 2014. Phenology of high-arctic butterflies and their floral resources: Species-specific responses to climate change. Current Zoology 60(2):243-251 [ER 1081]
Country: Greenland

Coordinate: 74° 28' N, 20° 34' W
Basis of coordinate: stated in text
Geography comments: "north-east Greenland"
Climate and habitat
Habitat: tundra
Substrate: ground surface
MAT: -10.3
WMT: 3.8
CMT: -17.6
MAP: 261.0
Habitat comments: "the growing season is currently limited to between early June and early September during which the average air temperature is around 4.5C... The vegetation of the study area can be roughly divided into five major plant communities: fen, grassland, Salix snow-bed, Cassiope heath, and Dryas heath"
climate data based on Dixon (in Beylich et al. 2016)
Life forms: butterflies
Sampling methods: no design, pitfall traps, other traps
Sample size: 3868
Years: 1996 - 2009
Seasons: summer
Sampling comments: "one window trap plot and six pitfall trap plots in the vicinity (<2 km) of the weather station. Each pitfall trap plot (10 m 20 m) consisted of eight pitfall traps during 19962006 and four pitfall traps thereafter... The window trap plot consisted of two traps each with two chambers"
Sample: 1594
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-05-25 11:24:55
Modified: 2016-12-11 17:33:38
Abundance distribution
4 species
0 singletons
total count 3868
Fisher's α: 0.441
geometric series k: 0.1923
Hurlbert's PIE: 0.2781
Shannon's H: 0.5059
Good's u: 1.0000