Surface Soil Changes Following Selective Logging in an Eastern Amazon Forest
作者： Lydia P Olander , Mercedes M Bustamante , Gregory P Asner , Everaldo Telles , Zayra Prado
DOI: 10.1175/EI135.1
关键词: Bulk density 、 Litter 、 Phosphorus 、 Soil water 、 Nutrient 、 Logging 、 Soil science 、 Environmental science 、 Pasture 、 Biomass (ecology)
摘要: Abstract In the Brazilian Amazon, selective logging is second only to forest conversion in its extent. Conversion pasture or agriculture tends reduce soil nutrients and site productivity over time unless fertilizers are added. Logging removes bole wood, enough that repeated could deplete essential time. After a single event, nutrient losses likely be too small observe large pools, but disturbances associated with also alter properties. Selective logging, particularly reduced-impact results consistent patterns of disturbance may particular changes Soil bulk density, pH, carbon (C), nitrogen (N), phosphorus (P), calcium (Ca), magnesium (Mg), potassium (K), iron (Fe), aluminum (Al), δ13C, δ15N, P fractionations were measured on soils four different types logging-related disturbances: roads, decks, skids, treefall gaps. Litter biomass perce...
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