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Los sistemas de andenería en los Andes centrales contribuyeron a la seguridad alimentaria y al desarrollo de las civilizaciones andinas prehispánicas. Actualmente el tejido socioeconómico andino está empobrecido, con escasa cohesión y falta de políticas coherentes que promuevan un desarrollo sustentable. El presente libro describe el origen de los sistemas de andenería en el contexto de cambio climático, geográfico, agroecológico y de ingeniería, así como su papel en la cultura y el patrimonio vivo. Se plantea que la rehabilitación de sistemas de andenería es viable en ciertas condiciones si se valora la tecnología tradicional, los servicios medioambientales que ofrecen estos sistemas, y se promueven actividades agrícolas sustentables y actividades complementarias no agrícolas que integren equitativamente a los habitantes rurales con los mercados.

Terracing --- Traditional farming --- Irrigation farming --- Rural development --- Indians of South America --- Agriculture - General --- Agriculture --- Earth & Environmental Sciences --- History --- Irrigated agriculture --- Irrigated farming --- Irrigation agriculture --- Agriculture, Primitive --- Farming, Traditional --- Primitive agriculture --- Traditional agriculture --- Agricultural terracing --- Crop terracing --- Cultivation, Terrace --- Land terracing --- Terrace cultivation --- Terraces (Agriculture) --- Arid regions agriculture --- Irrigation --- Crops and water --- Soil conservation --- Tillage --- Water conservation --- agriculture --- irrigation --- histoire --- eau --- Pérou --- Indien

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The Special Issue entitled “Modeling of Soil Erosion and Sediment Transport” focuses on the mathematical modeling of soil erosion caused by rainfall and runoff at a basin scale, as well as on the sediment transport in the streams of the basin. In concrete terms, the quantification of these phenomena by means of mathematical modeling and field measurements has been studied. The following mathematical models (software) were used, amongst others: AnnAGNPS, SWAT, SWAT-Twn, TUSLE, WRF-Hydro-Sed, CORINE, LCM-MUSLE, EROSION-3D, HEC-RAS, SRC, WA-ANN. The Special Issue contains 14 articles that can be classified into the following five categories: Category A: “Soil erosion and sediment transport modeling in basins”; Category B: “Inclusion of soil erosion control measures in soil erosion models”; Category C: “Soil erosion and sediment transport modeling in view of reservoir sedimentation”; Category D: “Field measurements of gully erosion”; Category E: “Stream sediment transport modeling”. Most studies presented in the Special Issue were applied to different basins in Europe, America, and Asia, and are the result of the cooperation between universities and/or research centers in different countries and continents, which constitutes an optimistic fact for the international scientific communication.

terrace --- vegetation --- time-area method --- MUSLE --- soil and water loss --- the Loess Plateau --- bed erosion --- catchment area --- filtration --- sediment accumulation --- sediment bed fluidization --- sediment re-suspension --- soil erosion --- rainfall-runoff --- sediment yield --- AnnAGNPS model --- urbanization --- scenario analysis --- Upper Indus Basin (UIB) --- Tarbela Reservoir --- Besham Qila --- sediment modeling --- uncertainty --- wavelet transform analysis-artificial neural network (WA-ANN) --- sediment rating curve (SRC) --- HEC-RAS --- SWAT --- TUSLE --- sediment transport --- model calibration --- mountainous catchment --- tailings pond --- leaked tailings flow --- dam failure --- impact force --- deposition range --- debris blocking dam --- CORINE erosion model --- ponds --- Brenne --- limnology --- land cover change --- infiltration estimation --- black soil --- residue cover --- model validation --- stream sediment transport --- total load --- sediment concentration --- Yang formula --- fuzzy regression --- fuzzy coefficients --- fuzzy logic --- sediment entrainment --- clogging --- colmation --- numerical modeling --- gully erosion --- seasonality --- precipitation --- statistical modeling --- precipitation intensity --- sediment budget --- rainfall event --- EROSION-3D --- small water reservoir --- SWAT modeling --- land management --- soil conservation stone structures --- WRF-Hydro --- CASC2D-SED --- Goodwin Creek Experimental Watershed --- NLDAS-2 --- calibration