Sierra de Huautla Biosphere Reserve (trees)
Basic information
Sample name: Sierra de Huautla Biosphere Reserve (trees)
Reference: C. Martínez-Garza, M. Osorio-Beristain, D. Valenzuela-Galván, and A. Nicolás-Medina. 2011. Intra and inter-annual variation in seed rain in a secondary dry tropical forest excluded from chronic disturbance. Forest Ecology and Management 262:2207-2218 [ER 690]
Geography
Country: Mexico
State: Morelos
Coordinate: 18° 27' 15" N, 98° 30' 47" W
Latlng basis: stated in text
Geography comments: coordinate based on ranges stated in text
Environment
Habitat: tropical/subtropical dry broadleaf forest
Altered habitat: secondary forest
Protection: biosphere reserve
Substrate: ground surface
Disturbance: grazing
MAT: 24.5
MAP: 818.0
Methods
Life forms: trees
Sites: 8
Site area: 2.0
Sampling methods: quadrat
Sample size: 505 individuals
Years: 2006
Net or trap nights: 0
Size min: 5.0
Basal area status: per ha is
Basal area: 6.18
Sampling comments: eight 50 x 50 m plots
Metadata
Sample no: 998
Contributor no: John Alroy
Enterer: John Alroy
Created: 2014-07-06 11:18:33
Modified: 2014-07-17 11:22:49
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
33 species
7 singletons
total count 505
geometric series index: 52.9
Fisher's α: 7.91
geometric series k: 0.8549
Hurlbert's PIE: 0.8468
Shannon's H: 2.4294
Good's u: 0.9862
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