Citas bibligráficas
Acuña, M., (2012). Flora epífita vascular representativa de bosque montano y de llanura amazónica del Parque Nacional Yanachaga Chemillén (Oxapampa, Pasco) [Tesis, Universidad Nacional Mayor de San Marcos]. https://hdl.handle.net/20.500.12672/1425
Acuña, M., Flora epífita vascular representativa de bosque montano y de llanura amazónica del Parque Nacional Yanachaga Chemillén (Oxapampa, Pasco) [Tesis]. PE: Universidad Nacional Mayor de San Marcos; 2012. https://hdl.handle.net/20.500.12672/1425
@misc{renati/487997,
title = "Flora epífita vascular representativa de bosque montano y de llanura amazónica del Parque Nacional Yanachaga Chemillén (Oxapampa, Pasco)",
author = "Acuña Tarazona, Margoth Elizabeth",
publisher = "Universidad Nacional Mayor de San Marcos",
year = "2012"
}
The diversity and distribution of vascular epiphytes were studied in a montane forest and in a lowland forest of Parque Nacional Yanachaga Chemillén (Oxapampa-Pasco) in the months September-October 2009 and April 2010. Two phorophytes were selected and sampled using rope across the “impulso corporal modificado” technique, and each one was divided into five zones following Johansson (1974), were record the species and number of individuals epiphytes. A total of 204 epiphytes vascular and 1922 individuals, the montane forest recorded 75 species y 1923 individuals whereas in the lowland forest were the most specious, 132 species and 998 individuals. Orchidaceae, Araceae and Dryopteridaceae were the most speciose and abundant families. Epiphyte diversity showed difference between forests, lowland forest presented the highest diversity. The vertical distribution patterns was different between forests, the canopy zones Z3 y Z4 were the most speciose in the montane forest and the trunk zone Z2 y canopy zone Z5 were the most speciose and abundant. Also the orchids were most common in canopy zones in both forests whereas the aroids were predominant in trunk zones in the lowland forest. The principal pteridophytes families Dryopteridaceae, Polypodiaceae and Hymenophyllaceae were recorded in five zones. Key Words: Diversity, Vertical Distribution, Orchidaceae, Araceae, Dryopteridaceae, Perú.
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