Caracterización de los suelos de los bofedales en la Reserva de Producción Faunística Chimborazo, en base al grado de intervención en dos pisos altitudinales

Abstract

This research proposes to characterize the soil of the wetlands in the Widlife Reserve Chimborazo, based on the degree of intervention in two altitudinal, by determinig the physical - chemical laboratory and field analysis of compaction with the usigs a DBCA and identification of this ecosystem indicator species by applying the method Gloria. The soil profiles of wetlands have organic horizons (Oi, Oe, Oa) for Histosols, have dephts granter than 20 cm, with a higth content of M.O (29%) with an acidic pH (4,9), wetlands with mineral horizons (A) are determined Inceptisols with sandy loam for their higher degree of intervention and wetlands presence of colluvial material (IC) determined Entisols. Inceptisols, Entisols have low contents of M.O (2,8%) with a slightly acid pH (5,6), the wetlands have not studied salinity. Taxonomically order level of 81% within the suborder Histosols Hemists, Saprists and Folists, 13% placed the suborder Inceptisols Ustepts and finally 6% of the suborder Entisols Psamment. By using statistical analysis of these bogs DBCA, it was deternined that despite the internention soils have no compaction. Indicador plants soil of wetlands presented as dominant species Pantago rigida (Plantagineceae), Distichia muscoides (Juncaceae), Azorella pedunculata (Apiaceae) and Xenopillum humile (Asteraceae), with 32, 08%; 9,3% and 2,3% respectively coverage, called pads typical species. Wetlands at RPFCH are distribuyed, Chimborazo: 5 wetlands (B4, B9, B10, B11, B12), Bolivar: 7 wetlands, (B1, B2, B3, B5, B6, B7, B8) and Tungurahua: 4 wetlands, (B13, B14, B15, B16). It is recomended to track the study wetlands at RPFCH.

Keywords: wetlands, physycochemicals properties, soil profile, histosols, inceptisols, entisols.