Analysis of the paramo vascular flora in the Cajas National Park (Central Andes, Ecuador)

被引:5
|
作者
Ansaloni, Raffaella [1 ]
Izco, Jesus [2 ]
Amigo, Javier [2 ]
Minga, Danilo [1 ]
机构
[1] Univ Azuay, Azuay Herbarium HA, Cuenca, Ecuador
[2] Univ Santiago de Compostela, Dept Bot, Santiago De Compostela 15782, Spain
来源
MEDITERRANEAN BOTANY | 2022年 / 43卷
关键词
Andean cushions; Andean floristic richness; Bunchgrasses (pajonales); Cuatrecasiella; Paramo; Plant conservation; Plant gowth forms; Polylepis; Subparamo; Super-paramo; Wetlands; SOUTH; DIVERSIFICATION; CLASSIFICATION; BIOGEOGRAPHY; VEGETATION; BIODIVERSITY; GRASSLANDS; PHYLOGENY; COLOMBIA; POACEAE;
D O I
10.5209/mbot.76491
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The Cajas National Park (CNP) is located 30 km from the city of Cuenca (Ecuador), in the western Andean chain and occupies an area of almost 30,000 ha, between 3300-4450 m of altitude, and includes various ecosystems: subparamo, herbaceous paramo and super-paramo, which include grasslands (dominant in CNP), wetlands, Polylepis sp. pl. and scrubs; above 4200 m asl, bush communities adapted to extreme edaphoclimatic conditions dominate. For the elaboration of the catalogue of the vascular flora of the CNP, we compiled, refined and analysed the information available in the herbaria of the University of Azuay (Cuenca, Ecuador) (HA), Missouri Botanical Garden (MO), Pontificia Universidad Catolica de Ecuador (QCA) and Tropicos (R) database, with records of altitudes above 3300 m asl and our collections in the years 2012-2019. 666 species are documented, belonging to 264 genera and 89 botanical families; we describe their biological form (biotype), habitat, distribution -with special attention to endemic and non-native species- and degree of threat. Finally, the data for each of these criteria are jointly analysed and compared with other Andean mountain ranges. Dichondra macrocalyx Meisn. and Piptochaetium tovarii Sanchez Vega are reported for the first time in Ecuador.
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页数:42
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