San Alejandro (cacao agroforests)
Basic information
Sample name: San Alejandro (cacao agroforests)
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: 8° 49' 35" S, 75° 13' 56" W
Coordinate basis: stated in text
Geography comments: "in the Department of Ucayali... on the bank of the San Alejandro River, a tributary of the AguaytÃa River"
altitude 250 to 350 m
altitude 250 to 350 m
Environment
Habitat: tropical/subtropical moist broadleaf forest
Altered habitat: plantation
Substrate: ground surface
MAT: 25.0
MAP: 3000.0
Habitat comments: "originally covered by lowland humid tropical forest" and "The age of cacao AF ranged between 4 and 12 years (median of 7.5 years)"
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: 20
Site area: 1.25
Sample size: 254 individuals
Years: 2012
Size min: 10
Basal area: 17.48
Sampling comments: "one square 25 x 25 m plot" on each of 20 farms
"Cacao trees were not measured"
"Cacao trees were not measured"
Metadata
Sample number: 1633
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-06-14 10:50:01
Modified: 2015-06-14 00:50:01
Abundance distribution
33 species
15 singletons
total count 254
extrapolated richness: 80.6
Fisher's α: 10.116
geometric series k: 0.8727
Hurlbert's PIE: 0.8504
Shannon's H: 2.4506
Good's u: 0.9411
Each square represents a species. Square sizes are proportional to counts.
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