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- W1638110769 abstract "espanolSe estudio la flora y vegetacion de la comunidad de Furcraea parmentieri (Roezl ex Ortigies) Garcia-Mend. (F. bedinghausii) especie amenazada y endemica de Mexico (NOM-059-ECOL-2001), en el volcan Pelado, al S de la Ciudad de Mexico. Se realizaron 25 levantamientos siguiendo la escuela fitosociologica Zurich-Montpellier, a los que se calculo el indice de similitud de Jaccard. Furcraea parmentieri se asocia con Muhlenbergia macroura formando una comunidad azonal, entre los 3 020 y 3 330 m, sobre suelos rocosos y claros del bosque de Pinus-Alnus. Se diferenciaron tres subcomunidades: Furcraea parmentieri-Trisetum virletii, Furcraea parmentieri-Aegopogon cenchroides y Furcraea parmentieri-Solanum cervantesiis. Se registraron en total 87 especies agrupadas en 63 generos y 27 familias, siendo las mas abundantes Asteraceae y Poaceae. Las condiciones ambientales propicias para el establecimiento de Furcraea parmentieri son altitudes entre 3 020 a 3 100 m, en exposicion N, suelos acidos con pH 6.0 y pendientes de 36° a 45°. El mayor problema para la conservacion de la especie en el area son las quemas repetidas que empobrecen el suelo y destruyen los bulbilos, causando la disminucion de las poblaciones. La conservacion de F. parmentieri es importante porque ademas de ser una especie amenazada y endemica, estabiliza suelos en zonas severamente degradadas. EnglishThe flora and vegetation of Furcraea parmentieri (Roezl ex Ortigies) Garcia-Mend. (F bedinghausii) community was studied on the Pelado volcano, at the S area of Mexico City. Following Zurich-Montpellier criteria, 25 phytosociological plots were done, and the Jaccard index of similarity was calculated. Furcraea parmentieri is associated with Muhlenbergia macroura to form an azonal community between 3 020 and 3 300 m, on rocky soils and gaps of Pinus-Alnus forest. Three subcommunities can be distinguished: Furcraea parmentieri-Trisetum virletii, Furcraea parmentieri-Aegopogon cenchroides and Furcraea parmentieri-Solanum cervantesii. 87 species were recorded, representing 63 genera and 27 families, of which the most abundant were Asteraceae and Poaceae. The proper environmental conditions for Furcraea parmentieri are: altitudes between 3 020 and 3 100 m, N exposures, acid soils with pH 6.0 and slopes among 36° and 45°. The main problem for species preservation in the area is repeated burning, that depletes soils and destroys vegetative bulbils, causing population diminishment. Conservation of Furcraea parmentieri community is important because, it is an endangered and endemic species, as well as a soil-stabilizing species for severely degraded zones (NOM-059-ECOL-2001)." @default.
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- W1638110769 date "2014-12-11" @default.
- W1638110769 modified "2023-10-02" @default.
- W1638110769 title "The community of Furcraea parmentieri, a threatened specie, Central Mexico" @default.
- W1638110769 hasPublicationYear "2014" @default.
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