Estudios ecológicos en la Cordillera Oriental IV: Aspectos sinecológicos de la brioflora de los depósitos turbosos paramunos de los alrededores de Bogotá
Keywords:
Aspectos sinecológicos, Brioflora, Musgos, Hepáticas, Depósitos turbosos de los páramos, Sphagnum, Turberas (es)Aspectos sinecológicos, Brioflora, Musgos, Hepáticas, Depósitos turbosos de los páramos, Sphagnum, Turberas (en)
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Mediante los lineamientos metodológicos de la escuela Zurich-Montpellier (Braun-Blanquet, 1979) se realizaron 102 levantamientos de la vegetación que se establece en los pantanos, turberas o depósitos turbosos de los páramos de los alrededores de Bogotá. En la caracterización de esta vegetación, los musgos y las hepáticas desempeñan un papel importante; varias especies de Sphagnum son dominantes en diferentes fases del proceso de sucesión sobre esos ambientes originados de cubetas y lagunas glaciares. EI sustrato es muy variable en su constitución y en las características físico-químicas; en general, prevalece un contenido alto de materia orgánica, aceptable cantidad de nitrógeno y valores reducidos de elementos como magnesio, calcio y potasio. En esta contribución se presenta una reseña a nivel regional de las características primordiales de los sitios investigados en cuanto al papel desempeñado por las especies de briófitas en la composición florística, y a las condiciones físico-químicas del sustrato.
The vegetation established on" peat deposits "or marshes in the paramos around Bogota is treated following the Zurich-Montpellier system. 102 releves of vegetation were realized. Mosses and liverVllorths play an important role in the structure and floristic composition of this vegetation. Several Sphagnum species are dominant in some steps of the sucession process from open water and small lake to marsh. The constitution of the substrate and its physical and chemical characteristics vary in the places investigated, but in general terms there is a high content of organic matter, fair content of nitrogen and low content of magnesium, calcium and potassium.
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