Data/hora: 01/06/2024 04:41:50

Biblioteca(s): | Embrapa Pantanal.
Data corrente: | 14/11/2000
Data da última atualização: | 14/11/2000
Autoria: | PADOVANI, C. R.; HAMILTON, S. K.; GALDINO, S.; VIEIRA, L. M.
Afiliação: | EMBRAPA. Centro de Pesquisa Agropecuaria do Pantanal (Corumba, MS); Michigan State University. Kellogg Biological Station (Hickory Corners, MI).
Título: | Deposition of riverborne sediments in the Pantanal wetland (Brazil): hydrological and ecological consequences.
Ano de publicação: | 2000
Fonte/Imprenta: | In: QUEBEC 2000: MILLENNIUM WETLAND EVENT, 2000, Quebec, Canada. Program with abstracts. Quebec: Elizabeth MacKay, 2000.
Páginas: | p.455.
Idioma: | Inglês
Conteúdo: | The Pantanal, one of the largest wetlands of the world, receives half of its flood waters from upland watersheds. Sediment delivery to the Pantanal by the Taquari River has been increasing due to climatic and hydrological variability, soil susceptibility to erosion, and land conversion for agriculture and cattle ranching. Most of the sediment load is deposited within the Pantanal, resulting in geomorphological changes and increased flooding by overbank flow from the river channel. We have measured water and sediment discharge throughout the Taquari alluvial fan over a range of discharges. The inputs of water and sediment from the uplands to the Pantanal are highly variable seasonally. Comparisons with historical data show a recent increase of sediment discharge and concentration, with practically no change in water increased sediment transport from the uplands and its deposition in the Pantanal strongly impacts the fauna, flora, fishing, navigation and cattle ranching.
Palavras-Chave: | Area alagada; Deposicao; Deposition; Rio Taquari; Taquari River; Wetland.
Thesagro: | Ecologia; Hidrologia; Impacto Ambiental; Sedimento.
Thesaurus Nal: | ecology; environmental impact; hydrology; Pantanal; sediments.
Categoria do assunto: | --
Registro original: | Embrapa Pantanal (CPAP)
Exemplares: | CPAP - (46964-1) - UPC - PL - -- - 574.526 - Q3p - 2000.00205 - DIS