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| Campo DC | Valor | Lengua/Idioma |
|---|---|---|
| dc.contributor.author | FRITZSONS, E. | |
| dc.contributor.author | MANTOVANI, L. E. | |
| dc.contributor.author | GONDIM, A. C. | |
| dc.contributor.author | CHAVES NETO, A. C. | |
| dc.date.accessioned | 2025-07-04T11:48:13Z | - |
| dc.date.available | 2025-07-04T11:48:13Z | - |
| dc.date.created | 2008-08-19 | |
| dc.date.issued | 2008 | |
| dc.identifier.citation | In: INTERNATIONAL GEOLOGICAL CONGRESS, 33., 2008, Oslo. Abstracts. [Stavanger]: Statoilhydro, [2008]. 1 CD-ROM. HYH-09 International perspectives on karst aquifers and water resources. | |
| dc.identifier.uri | http://www.alice.cnptia.embrapa.br/alice/handle/doc/314598 | - |
| dc.description | Mining activities are responsible for several impacts over environment. In this paper we describe the research developed in the Capivari watershed, karst (lime producing) region of State of Parana, near Curitiba Metropolitan region in Southern Brazil. The region's climate is subtropical Cfb (Kéeppen), with average rainfall of 1400 mm and evapotranspiration around 800 mm, with no defined dry season. In this area, small producing units of family agriculture are predominant and few animais are raised for own consumption. The riparian forest is deprived of characteristics and, in many places, inexistent. Water samples were collected for examination of pH and alkalinity in two seasons within a range average of twelve years (1986-2000). It was evaluated 387 days of sampling In the years from 86 to 87 and 1095 days in the years from 98 to 2000 and an analysis of variance was performed over the data in order to find out differences between series 86/87 and 98 to 2000. | |
| dc.language.iso | eng | |
| dc.rights | openAccess | |
| dc.subject | Atividade | |
| dc.subject | Impacto | |
| dc.title | Mining activities and its influence on the levels of ph and alkalinity in fluvial waters. | |
| dc.type | Resumo em anais e proceedings | |
| dc.subject.thesagro | Água | |
| dc.subject.thesagro | Ph | |
| riaa.ainfo.id | 314598 | |
| riaa.ainfo.lastupdate | 2025-07-04 | |
| dc.contributor.institution | ELENICE FRITZSONS, CNPF; LUIZ EDUARDO MANTOVANI, UNIVERSIDADE FEDERAL DO PARANÁ; ANTONIO CARLOS GONDIN, UNIVERSIDADE FEDERAL DO PARANÁ; ANSELMO CHAVES NETO, UNIVERSIDADE FEDERAL DO PARANÁ. | |
| Aparece en las colecciones: | Resumo em anais de congresso (CNPF)  | |
Ficheros en este ítem:
| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| 2008-FRITZSONS-RAC-Mining-activities.pdf | 336.95 kB | Adobe PDF |  Visualizar/Abrir |
