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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pantanal. Para informações adicionais entre em contato com cpap.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
02/04/2018 |
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Data da última atualização: |
11/03/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GUERREIRO, R. L.; MCGLUE, M. M.; STONE, J. R.; BERGIER, I.; PAROLIN, M.; CAMINHA, S. A. F. da S.; WARREN, L. V.; ASSINE, M. L. |
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Afiliação: |
RENATO LADA GUERREIRO, Instituto Federal do Parana-Campus Assis Chateaubriand; MICHAEL M. MCGLUE, University of Kentucky; JEFFERY R. STONE, Indiana State University; IVAN BERGIER TAVARES DE LIMA, CPAP; MAURO PAROLIN, Faculdade Estadual de Ciencias e Letras de Campo Mourão; SILANE A. F. DA SILVA CAMINHA, Universidade Federal de Mato Grosso; LUCAS V. WARREN, Unesp-Universidade Estadual Paulista; MARIO L. ASSINE, Unesp-Universidade Estadual Paulista. |
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Título: |
Paleoecology explains Holocene chemical changes in lakes of the Nhecolândia (Pantanal-Brazil). |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Hydrobiologia, v. 815, n. 1, p. 1-19, jun. 2018. |
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DOI: |
10.1007/s10750-017-3429-3 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this research is to examine the history of lentic ecosystem salinity in the southern Pantanal wetlands (Brazil). The timing and controls on hydrochemical changes were inferred using sponge spicule and diatom paleoecology on a Holocene-aged sediment core from Nhecolândia, a lake district situated on a fossil lobe of the Taquari megafan. The oldest portion of the core contains Heterorotula fistula spicules, indicative of an ephemeral freshwater lake that existed until ~ 4.6 cal ka BP. Benthic diatoms of the genus Gomphonema and Eunotia appeared ~ 3.2 cal ka BP, indicating a shallow and dystrophic environment. A transition to a more permanent lake that hosted freshwater sponges (e.g., Corvoheteromeyenia spp.), and diatom assemblages (e.g., Cyclotella meneghiniana, Aulacoseira pantanalensis) endured until ~ 1.3 cal year BP; after this time, most sponges and planktic diatoms disappear from the sedimentary record. High abundances of Anomoeoneis sphaerophora and Craticula guaykuruorum in the latest Holocene reflect a transition to a hyperalkaline, saline lake environment. The results suggest that Nhecolândia?s saline lakes may evolve from freshwater precursors due to local (biochemical) and regional (geo-climatic) controls on water availability, which has implications for patterns of biodiversity and ecosystems services in Pantanal. |
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Palavras-Chave: |
Saline lakes; Salt lakes. |
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Thesagro: |
Água Salina; Salina; Salinidade. |
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Thesaurus Nal: |
Saline water. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02185naa a2200289 a 4500
001 2090018
005 2019-03-11
008 2018 bl uuuu u00u1 u #d
024 7 $a10.1007/s10750-017-3429-3$2DOI
100 1 $aGUERREIRO, R. L.
245 $aPaleoecology explains Holocene chemical changes in lakes of the Nhecolândia (Pantanal-Brazil).$h[electronic resource]
260 $c2018
520 $aThe objective of this research is to examine the history of lentic ecosystem salinity in the southern Pantanal wetlands (Brazil). The timing and controls on hydrochemical changes were inferred using sponge spicule and diatom paleoecology on a Holocene-aged sediment core from Nhecolândia, a lake district situated on a fossil lobe of the Taquari megafan. The oldest portion of the core contains Heterorotula fistula spicules, indicative of an ephemeral freshwater lake that existed until ~ 4.6 cal ka BP. Benthic diatoms of the genus Gomphonema and Eunotia appeared ~ 3.2 cal ka BP, indicating a shallow and dystrophic environment. A transition to a more permanent lake that hosted freshwater sponges (e.g., Corvoheteromeyenia spp.), and diatom assemblages (e.g., Cyclotella meneghiniana, Aulacoseira pantanalensis) endured until ~ 1.3 cal year BP; after this time, most sponges and planktic diatoms disappear from the sedimentary record. High abundances of Anomoeoneis sphaerophora and Craticula guaykuruorum in the latest Holocene reflect a transition to a hyperalkaline, saline lake environment. The results suggest that Nhecolândia?s saline lakes may evolve from freshwater precursors due to local (biochemical) and regional (geo-climatic) controls on water availability, which has implications for patterns of biodiversity and ecosystems services in Pantanal.
650 $aSaline water
650 $aÁgua Salina
650 $aSalina
650 $aSalinidade
653 $aSaline lakes
653 $aSalt lakes
700 1 $aMCGLUE, M. M.
700 1 $aSTONE, J. R.
700 1 $aBERGIER, I.
700 1 $aPAROLIN, M.
700 1 $aCAMINHA, S. A. F. da S.
700 1 $aWARREN, L. V.
700 1 $aASSINE, M. L.
773 $tHydrobiologia$gv. 815, n. 1, p. 1-19, jun. 2018.
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Registro original: |
Embrapa Pantanal (CPAP) |
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URL |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Meio-Norte. Para informações adicionais entre em contato com cpamn.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Meio-Norte. |
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Data corrente: |
06/12/2021 |
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Data da última atualização: |
06/12/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
SANTOS, S. F. da C. B. dos; SOUZA, H. A. de; ARAUJO NETO, R. B. de; SAGRILO, E.; FERREIRA, A. C. M.; CARVALHO, S. P.; BRITO, L. de C. R. de; LEITE, L. F. C. |
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Afiliação: |
SMAIELLO FLORES DA CONCEIÇÃO BORGES DOS SANTOS, UFPI; HENRIQUE ANTUNES DE SOUZA, CPAMN; RAIMUNDO BEZERRA DE ARAUJO NETO, CPAMN; EDVALDO SAGRILO, CPAMN; ANE CAROLINE MELO FERREIRA, UFPI; SUZANE PEREIRA CARVALHO, Instituto Federal de Educação, Ciência e Tecnologia do Piauí, Teresina, Piauí, Brazil; LUCELIA DE CÁSSA RODRIGUES DE BRITO, UFPI; LUIZ FERNANDO CARVALHO LEITE, CPAMN. |
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Título: |
Soil microbiological attributes and soybean grain yield in succession to corn intercropped with forage in the Maranhão eastern cerrado. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
International Journal of Plant Production, v. 15, n. 4, p. 669-677, Dec. 2021. |
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Idioma: |
Inglês |
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Conteúdo: |
The use of forage in intercrops is preponderant for ensuring diverse and conservationist grain production systems in the Cerrado. This study aimed to evaluate different grass forage crops intercropped with corn and their influence on the soil biological activity and on the successor crop grain yield. The study was carried out in the 2017/2018 and 2018/2019 harvests, with four replicates under a randomized block design. |
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Palavras-Chave: |
Culturas de cobertura. |
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Thesagro: |
Biologia do Solo; Glycine Max; Zea Mays. |
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Thesaurus NAL: |
Cover crops; Soil biology. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 01312naa a2200277 a 4500
001 2137127
005 2021-12-06
008 2021 bl uuuu u00u1 u #d
100 1 $aSANTOS, S. F. da C. B. dos
245 $aSoil microbiological attributes and soybean grain yield in succession to corn intercropped with forage in the Maranhão eastern cerrado.$h[electronic resource]
260 $c2021
520 $aThe use of forage in intercrops is preponderant for ensuring diverse and conservationist grain production systems in the Cerrado. This study aimed to evaluate different grass forage crops intercropped with corn and their influence on the soil biological activity and on the successor crop grain yield. The study was carried out in the 2017/2018 and 2018/2019 harvests, with four replicates under a randomized block design.
650 $aCover crops
650 $aSoil biology
650 $aBiologia do Solo
650 $aGlycine Max
650 $aZea Mays
653 $aCulturas de cobertura
700 1 $aSOUZA, H. A. de
700 1 $aARAUJO NETO, R. B. de
700 1 $aSAGRILO, E.
700 1 $aFERREIRA, A. C. M.
700 1 $aCARVALHO, S. P.
700 1 $aBRITO, L. de C. R. de
700 1 $aLEITE, L. F. C.
773 $tInternational Journal of Plant Production$gv. 15, n. 4, p. 669-677, Dec. 2021.
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Embrapa Meio-Norte (CPAMN) |
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