Van Ban Nature Reserve (below 700 m, natural forest)
Basic information
Sample name: Van Ban Nature Reserve (below 700 m, natural forest)

Reference: V. L. Vu. 2011. Diversity of butterflies in a tropical rain forest of Van Ban Nature Reserve, Lao Cai Province, Vietnam (Lepidoptera: Rhopalocera). Russian Entomological Journal 20(4):411-418 [ER 2247]
Country: Vietnam

Coordinate: 21° 58' N, 104° 2' E
Basis of coordinate: stated in text
Geography comments: "in Nam Xay commune of the Van Ban Nature Reserve, Van Ban District... The study area is located on a mountain, with elevations ranging from 400 to more than 2, 000 m a.s.l." and low altitude sites were at "400-500 m"
Habitat: tropical/subtropical moist broadleaf forest
Protection: nature reserve
Substrate: ground surface
MAT: 19.0
MAP: 2100.0
Habitat comments: "tropical rain forest": "forest canopy" reaches "the heights of up to 30 m and 25 m, respectively. The vegetation cover is over 70%, consisting of natural forests with some small natural gaps, characterized by the presence of trees of various families in the climax forests"
climate data are for the Van Ban Nature Reserve and are from Lam and Mai (2013, in Sunderland et al.)
Life forms: butterflies
Sampling methods: line transect, butterfly nets, visual
Sample size: 165
Years: 2005
Days: 25
Sampling comments: collecting was "from March 15 to April 14, 2005" and this is a "500-m" transect; "The transect count method was used to record butterflies. A number of butterflies were collected on different sites beyond the transects using butterfly hand nets for identification... Each transect was repeated in 25 counts"
Sample: 2303
Contributor: John Alroy
Enterer: John Alroy
Created: 2016-10-20 20:46:31
Modified: 2016-12-13 11:11:23
Abundance distribution
71 species
34 singletons
total count 165
extrapolated richness: 167.7
Fisher's α: 47.272
geometric series k: 0.9595
Hurlbert's PIE: 0.9695
Shannon's H: 3.9144
Good's u: 0.7956
Each square represents a species. Square sizes are proportional to counts.