dc.contributor | Universidade Estadual Paulista (UNESP) | |
dc.contributor | Instituto Florestal | |
dc.contributor | Universidade de São Paulo (USP) | |
dc.date.accessioned | 2022-04-28T18:55:34Z | |
dc.date.accessioned | 2022-12-20T00:47:22Z | |
dc.date.available | 2022-04-28T18:55:34Z | |
dc.date.available | 2022-12-20T00:47:22Z | |
dc.date.created | 2022-04-28T18:55:34Z | |
dc.date.issued | 2007-07-01 | |
dc.identifier | Scientia Agricola, v. 64, n. 4, p. 328-335, 2007. | |
dc.identifier | 0103-9016 | |
dc.identifier | 1678-992X | |
dc.identifier | http://hdl.handle.net/11449/219421 | |
dc.identifier | 2-s2.0-34548690343 | |
dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/5399550 | |
dc.description.abstract | Information about the land cover of a region it is a key information for several purposes. This paper aimed to elaborate land-cover maps using digital satellite images obtained in 1997 from seven watersheds (Piracicaba, Moji-Guaçu, Alto Paranapanema, Turvo Aguapeí, Peixe, and São José dos Dourados) located in the State of São Paulo, southeastern Brazil. Additionaly, this study evaluated the relationship between land-cover and slopes of the terrain of the seven watersheds. A third objective was to estimate the percentage of riparian vegetation currently remaining along the streams in a 30-meter width buffer zone. Three research questions were posed: i) What is the dominant land-cover of these watersheds? ii) Is the riparian vegetation well preserved in the 30m width buffer zone? If not, iii) what is the dominant land-cover in these areas and what would be the cost of recovering such areas? Pasture was the predominant land-cover, occurring in approximately 50% of the entire study area, while sugar cane (Saccharum officinarum) (14%) constituted the second most frequent land-cover. Approximately 50% of the area of the seven basins is considered flat (40%) or smoothly rolling (10%). The terrain only becomes hillier in the Piracicaba and Alto Paranapanema basins, where a little less than 50% have slopes higher than 8%. The total riparian buffer strip zone occupied an area equivalent to approximately 6,200 km 2. From this total, only 25% is preserved. Pasture is the main land-cover of the riparian buffer strip zone. | |
dc.language | eng | |
dc.relation | Scientia Agricola | |
dc.source | Scopus | |
dc.subject | Catchments | |
dc.subject | Geoprocessing | |
dc.subject | Land management | |
dc.subject | Land planning | |
dc.subject | Rivers | |
dc.title | Historical land-cover/use in different slope and riparian buffer zones in watersheds of the State of São Paulo, Brazil | |
dc.type | Artículos de revistas | |