San Alejandro (secondary forest)
Basic information
Sample name: San Alejandro (secondary forest)
Reference: H. Vebrova, B. Lojka, T. P. Husband, M. E. Chuspe Zans, P. Van Damme, A. Rollo, and M. Kalousova. 2014. Tree diversity in cacao agroforests in San Alejandro, Peruvian Amazon. Agroforestry Systems 88(6):1101-1115 [ER 1115]
Geography
Country: Peru
State: Padre Abad
Coordinate: 9° 50' 35" S, 75° 14' 56" W
Latlng basis: stated in text
Geography comments: "in the Department of Ucayali... on the bank of the San Alejandro River, a tributary of the Aguaytía River"
altitude 250 to 350 m
altitude 250 to 350 m
Environment
Habitat: tropical/subtropical moist broadleaf forest
Altered habitat: secondary forest
Substrate: ground surface
MAT: 25.0
MAP: 3000.0
Habitat comments: "originally covered by lowland humid tropical forest" but now secondary forest "10–15 years old"
MAP 2500 to 3500 mm "with concentrated heavy rains from November to March and lower rainfall during the rest of the year"
MAP 2500 to 3500 mm "with concentrated heavy rains from November to March and lower rainfall during the rest of the year"
Methods
Life forms: trees
Sites: 5
Site area: 0.312
Sample size: 127 individuals
Years: 2012
Net or trap nights: 0
Size min: 10.0
Basal area status: per ha is
Basal area: 18.95
Sampling comments: "one square 25 x 25 m plot" nearby each of five farms
"Cacao trees were not measured"
"Cacao trees were not measured"
Metadata
Sample no: 1634
Contributor no: John Alroy
Enterer: John Alroy
Created: 2015-06-14 13:42:48
Modified: 2015-06-14 03:42:48
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
16 species
6 singletons
total count 127
geometric series index: 32.7
Fisher's α: 4.842
geometric series k: 0.7587
Hurlbert's PIE: 0.7145
Shannon's H: 1.8271
Good's u: 0.9529
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