ENVIRONMENTAL ZONING OF ARROIO CADENA S HIDROGRAFIC SUB-BASIN, SANTA MARIA (RS)
Titel:
ENVIRONMENTAL ZONING OF ARROIO CADENA S HIDROGRAFIC SUB-BASIN, SANTA MARIA (RS)
Auteur:
Fabrina Bolzan Martins José Sales Mariano da Rocha Adroaldo Dias Robaina Silvia Margareti de Juli Morais Kurtz Fabio Charão Kurtz Sandra Maria Garcia Alessandro Herbert de Oliveira Santos Paulo Roberto Jaques Dill Tatiana Nardon Noal
Verschenen in:
Cerne
Paginering:
Jaargang 11 (2005) nr. 3 pagina's 315-322
Jaar:
2005
Inhoud:
The county of Santa Maria presents a series of environmental conflicts, being caused mainly by the inadequate use of thesoil and by the bad use of the territorial physical space, generating environmental deterioration. The Environmental Zoning of ArroioCadena s inaprocess of watershed management allowed evaluate the environmental deterioration in the referred sub - basin, wherewere it analyzed six environmental parameters: slope, drainage density, ruggdeness number, vegetation, human occupation and soil suse. The sub-basin was divided in four classes: Area of Recovery (AR), Area of Human Use (AUA), Area of Permanent Preservation(APP) and Area of Permanent Conservation (ACP), where was observed 2.986,13 ha (50,35%) for the class AR, occupying the largestarea of the sub-basin, followed by 2.741,61 ha (39,65%) for AUA, 230,84 ha (5,15%) for APP and 252,13 ha (4,85%) for ACP. Theenvironmental deterioration average for the sub-basin was 61, 3%. Summarizing, it is recommended that the environmental zoningbe a tool to be applied by the government agences, because it optimizes the organization of the territorial space as well as thepreservation of the natural resources.
Uitgever:
Universidade Federal de Lavras - UFLA (provided by DOAJ)