Chemical diversity and spatial variability in myriad lakes in Nhecolândia in the Pantanal wetlands of Brazil (2013)
- Authors:
- USP affiliated authors: DIAS, SONIA MARIA FURIAN - FFLCH ; VICTORIA, REYNALDO LUIZ - CENA
- Unidades: FFLCH; CENA
- DOI: 10.4319/lo.2013.58.6.2249
- Subjects: SALINIDADE DA ÁGUA; LAGOS
- Language: Inglês
- Abstract: Nearly 15,000 shallow, saline or freshwater lakes and ponds coexist in close proximity in the Nhecolândia, a 24,000 km2 subregion of the Pantanal wetland in Brazil. This study aims to understand the origin of such diversity in surface water, which is a key aspect for the wetland services and biodiversity in the region. Both soil observations and water samples were collected at the regional or local scale and supplemented by previously published data sets. Statistical and geostatistical treatments were carried out and completed by discrete water-table monitoring. The results confirmed the absence of a regional pattern in surface-water salinity, and the independence of electrical conductivity values, even for neighboring lakes. Despite great differences in chemical composition, all surface waters in the region belong to the same chemical family, corresponding to several concentration stages of the Taquari River water that supplies the region. The concentration stage depends on the hydrological functioning of each lake, which is itself controlled by the relative importance of low-permeability soils as a barrier to movement of water into or out of the lakes through the subsurface. In this framework, oligosaline ponds, freshwater lakes, and saline lakes work as recharge, flow-through, and discharge wetlands, respectively. The salinity observed in some lakes results from an ongoing process of accumulation and evaporation under relatively humid climatic conditions and poor drainage
- Imprenta:
- Source:
- Título: Limnology and Oceanography
- Volume/Número/Paginação/Ano: v. 58, n. 6, p. 2249-2261, nov. 2013
- Este periódico é de assinatura
- Este artigo é de acesso aberto
- URL de acesso aberto
- Cor do Acesso Aberto: bronze
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ABNT
FURIAN, Sonia Maria et al. Chemical diversity and spatial variability in myriad lakes in Nhecolândia in the Pantanal wetlands of Brazil. Limnology and Oceanography, v. no 2013, n. 6, p. 2249-2261, 2013Tradução . . Disponível em: https://doi.org/10.4319/lo.2013.58.6.2249. Acesso em: 05 out. 2024. -
APA
Furian, S. M., Martins, E. R. C., Parizotto, T. M., Rezende Filho, A. T., Victoria, R. L., & Barbiero, L. (2013). Chemical diversity and spatial variability in myriad lakes in Nhecolândia in the Pantanal wetlands of Brazil. Limnology and Oceanography, no 2013( 6), 2249-2261. doi:10.4319/lo.2013.58.6.2249 -
NLM
Furian SM, Martins ERC, Parizotto TM, Rezende Filho AT, Victoria RL, Barbiero L. Chemical diversity and spatial variability in myriad lakes in Nhecolândia in the Pantanal wetlands of Brazil [Internet]. Limnology and Oceanography. 2013 ; no 2013( 6): 2249-2261.[citado 2024 out. 05 ] Available from: https://doi.org/10.4319/lo.2013.58.6.2249 -
Vancouver
Furian SM, Martins ERC, Parizotto TM, Rezende Filho AT, Victoria RL, Barbiero L. Chemical diversity and spatial variability in myriad lakes in Nhecolândia in the Pantanal wetlands of Brazil [Internet]. Limnology and Oceanography. 2013 ; no 2013( 6): 2249-2261.[citado 2024 out. 05 ] Available from: https://doi.org/10.4319/lo.2013.58.6.2249 - Hydrochemical variability at the Upper Paraguay Basin and Pantanal wetland
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Informações sobre o DOI: 10.4319/lo.2013.58.6.2249 (Fonte: oaDOI API)
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