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Indicadores de actividad biológica en suelos con diferentes grados de intervención en el Ecoparque Cerro de la Bandera

Authors: Zapata, CF; Sánchez de Prager, Marina; Azakawa, NM;

Indicadores de actividad biológica en suelos con diferentes grados de intervención en el Ecoparque Cerro de la Bandera

Abstract

En el Ecoparque Cerro de la Bandera, zona dedicada muchos años a la explotación carbonífera, se evaluó el efecto de dicha práctica sobre propiedades fisicoquímicas y flora microbiana de sus suelos. En tres zonas, bosque nativo (BP); zona intervenida en proceso de regeneración (BS); Zona erosionada (SE) se realizaron muestreos en octubre del 98 y enero del 99. Se presentaron diferencias altamente significativas entre los suelos intervenidos para las variables bacterias simbióticas y asimbióticas fijadoras de N 2 , mineralización del nitrógeno hongos formadores de micorriza (HMA) y biomasa microbiana. La actividad minera afectó condiciones físicas, químicas y biológicas de los suelos en BS y SE, situación que se reflejó en aumentos de densidades, detrimentos de materia orgánica, nitrógeno y fósforo, poblaciones microbianas y su actividad. A pesar del deterioro de los suelos BS y SE conservan una reserva de vida representada por su componente vegetal y microbiológico, los que se constituyen en elementos claves para posteriores actividades de regeneración de la zona.

Country
France
Related Organizations
Keywords

soil degradation, nitrogen fixing bacteria, biomasa, biomass, suelo mineral, soil chemicophysical properties, mineral soils, degradación del suelo, propiedades físico - químicas suelo, bacteria fijadora del nitrógeno, biología del suelo, soil biology

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Related to Research communities
Energy Research