Soil Cartography and its Contributions to Environmental Planning: Upper Basin of the Tandileofu Stream (Tandil, Argentina)
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Abstract
The Environmental Planning studies of the Territory (EPeT) provide a zoning model and at the same time a tool that demands the territorial planning process to articulate policies and planning actions compatible with the expectations of sustainability. In order to delimit and describe “environmental systems” (EPeT) of the Upper Arroyo Tandileofú Basin (study area), a work was carried out supported by soil cartography. For this work a methodological sequence was followed developing intermediate thematic maps up to the Environmental Planning studies of the Territory map that integrated the previous ones. The methodological sequence began with the Superficial Morphological Zoning, followed by the Edaphic Zoning. These maps derived from the Morphoedáphic Zoning. The latter map was correlated with vegetation, getting the Morpho-Phytoedic Zoning or Ecological Zoning. Then the Current Land Use (CLU) was incorporated. This made it possible to analyze the relationship between society and nature in the study area and to identify possible environmental problems derived from this relationship, and prepare the (EPeT) map of the study area. The results obtained: -made it possible to interpret the internal heterogeneity of the ecological-landscape systems and obtain 7 ecological subsystems; -the (CLU) study and mapping showed that the lands are mainly occupied by mixed crop-livestock farming (46,4%), crop activity (31,3%) and dairy farm activity (12.4%); -with the (EPeT) of study area they were obtained 16 types of cartographic units that describe territorial entities with ecological restrictions and potentialities, with the spatial structure and functions of types and forms of the (CLU). In conclusion, it is possible to infer and correlate topographic-landscape information by analyzing the soil cartography and the information of each system and subsystem represented, and the methodology highlights the use of resources and products that arise from Cartographic Science in territorial management and planning tasks.
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