精梳科
物种丰富度
热带亚热带干阔叶林
地理
林业
旱季
藤本植物
生态学
生物
作者
Reynaldo Linares-Palomino,Susana I. Ponce Alvarez
标识
DOI:10.1016/j.foreco.2005.02.003
摘要
A phytosociological study was conducted in six 1-ha seasonally dry forest samples in selected locations on the Cerros de Amotape Cordillera in north-western Peru. This is the first quantitative study of this vegetation formation in the region, and the findings indicate higher density and richness values than previously thought for the country. The plots varied markedly in species richness from 6 to 25 species, with densities per hectare between 55 and 524 individuals. The most important families were the Bombacaceae, Fabaceae, Bignoniaceae, Combretaceae, Burseraceae and Capparidaceae. At the species level, Caesalpinea glabrata, Tabebuia spp., Terminalia valverdeae, Bursera graveolens, Eriotheca ruizii and Ceiba trichistandra are the most widespread and abundant species. Sorensen similarity indices consistently grouped drier, species poor west facing plots together, while the plots located in more mesic areas either east facing or on the ridges of the Amotape Cordillera were more species rich and similar between them.
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