Basic information
Sample name: Baihua
Sample aka: Xiaolong Mountain

Reference: Z. Chai, C. Sun, D. Wang, and W. Liu. 2016. Interspecific associations of dominant tree populations in a virgin old-growth oak forest in the Qinling Mountains, China. Botanical Studies 57(23):1-13 [ER 2510]
Country: China
State: Shaanxi

Coordinate: 34° 35' N, 105° 44' E
Basis of coordinate: based on nearby landmark
Geography comments: "in the western area of the Qinling mounatins [sic]" and specifically "in the core zone of Baihua forest region" and the plot is at "an average elevation of 1723 m"
this is apparently to the east of Tianshui
Climate and habitat
Habitat: temperate broadleaf/mixed forest
Substrate: ground surface
MAT: 9.5
MAP: 630.0
Habitat comments: "The annual rainfall is 460-800 mm most of which falls from July to September... Vegetation is virgin old-growth (>100 years) oak broad-leaved mixed forest"
Life forms: trees
Sites: 1
Site length: 150.000
Site width: 70.000
Sampling methods: quadrat
Sample size: 866
Years: 2011
Minimum size: 5.0cm dbh
Sampling comments: "a permanent 150 x 70 m plot"
Sample: 2803
Contributor: John Alroy
Enterer: John Alroy
Created: 2017-11-22 12:54:49
Modified: 2017-11-22 12:54:49
Abundance distribution
46 species
13 singletons
total count 866
extrapolated richness: 67.0
Fisher's α: 10.367
geometric series k: 0.8903
Hurlbert's PIE: 0.8976
Shannon's H: 2.7258
Good's u: 0.9850
Each square represents a species. Square sizes are proportional to counts.