Considerações a Respeito Da Distribuição Das Planícies Fluviais Do Rio Mogi Guaçu

Zancopé, Márcio Henrique de Campos; Filho, Archimedes Pérez

doi:10.20502/rbg.v7i1.161

Cited by 3 publications

(3 citation statements)

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“…The changes influenced the erosion and depositional processes, as a result of climate change. Zancopé & Perez Filho (2006) and Storani & Perez Filho (2015) confirm that the adjustment in the morphology of the river channel promoted the fitting of the abandoned meanders favoring an increase in gradient and causing an increase in the drainage energy. The events may have changed the river dynamics in the area promoting episodes of erosion and redeposition in the three lagoons studied.…”

Section: Integration Of Palynological Isotopic and Fire Frequency Studiesmentioning

confidence: 92%

“…Studies carried out at the Mogi Guaçu Ecological Station showed changes in the meandering system of the Mogi Guaçu River during the Holocene (Zancopé & Perez Filho, 2006;Storani & Perez Filho, 2015). The changes influenced the erosion and depositional processes, as a result of climate change.…”

Section: Integration Of Palynological Isotopic and Fire Frequency Studiesmentioning

confidence: 99%

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Evolution of the Semideciduous-Riparian Forest (ecotone Cerrado-Atlantic Forest) during the late Holocene, Southeast of Brazil

Souza¹,

Ricardi-Branco²

2021

Rev. bras. paleontol.

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The floodplains of meandering rivers in southeastern Brazil represent places where the sedimentary record associated with the history of transition/ecotone areas and exchange of biomes accumulates, such as the Cerrado (Cerradão Forest) and Atlantic Forest (Semideciduous-Riparian Forest). The present study aims to use palynological, isotopic (δ13C, δ15N and 14C), and anthracological indicators in cores taken from three abandoned meander bends to make inferences about environmental evolution, vegetation reconstruction, and climatic inferences. The study area is located in the Mogi Guaçu River Basin, in the countryside of São Paulo State. The studies show that ~2,730 BP (stage I), the area underwent through a more humid climatic phase compared to the current one, which allowed the expansion of the Riparian Semideciduous Forest. After that date, in stage II (1,800 to 510 BP), the percentage of the Cerrado (Cerradão Forest) increased, due to a drier period. From 510 BP to the present day (stage III), humidity has taken place with a new expansion of the Riparian Semideciduous Forest, although elements of Cerrado are present. Microscopic charcoal fragments were found in all stages and may infer the incidence of paleo-wildfires during the Late Holocene. The results indicate that both phytophysiognomies remained for the studied period, varying their expansion depending on the humidity present in each stage. Although lakes formed by abandoned meanders are not areas with the best palynological record, they are frequent environments in the interior of the continents. If properly interpreted, they may provide relevant information to vegetation and climatic changes for the areas. Keywords: paleoenvironmental studies, Holocene, river dynamics, pollen grains, isotopic analysis, charcoal fragments.

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Section: Integration Of Palynological Isotopic and Fire Frequency Studiesmentioning

confidence: 92%

Section: Integration Of Palynological Isotopic and Fire Frequency Studiesmentioning

confidence: 99%

Evolution of the Semideciduous-Riparian Forest (ecotone Cerrado-Atlantic Forest) during the late Holocene, Southeast of Brazil

Souza¹,

Ricardi-Branco²

2021

Rev. bras. paleontol.

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“…Zancopé e PerezFilho (2006) destacam que o Rio Mogi Guaçu nasce no Morro do Curvado, no município de sul-mineiro de Bom Repouso, numa altitude aproximada…”

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Geossistemas e fragilidade de terras na bacia hidrográfica do Rio Mogi Guaçu/SP

Storani¹

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Aos meus amados pais, dedico.vii AGRADECIMENTOS À minha amada família, pais e irmãs, que sempre me apoiaram incondicionalmente e não mediram esforços para que eu pudesse atingir meus objetivos.Ao professor e orientador Prof. Dr. Archimedes Perez filho, pelos ensinamentos, orientação dedicada e influência positiva em minha vida acadêmica.Aos amigos Clayton, Ana Isabel e Viviane, que além do apoio, foram de extrema importância e ajuda na caminhada até aqui desde a graduação. Ao amigo André Luiz, que ajudou a encontrar técnicas fundamentais para a pesquisa.Ao professor Salvador Carpi Junior, que muito me ajudou, no laboratório, nos trabalhos de campo e nas discussões sobre a pesquisa.Ao professor Márcio Henrique de Campos Zancopé, por também ter ajudado nos trabalhos de campo e com orientações a respeito do trabalho.À Profa. Dra. Regina Célia Oliveira e ao Prof. Dr. Carlos Roberto Espíndola, pelas sugestões feitas na qualificação.À Profa. Dra. Adriana Cavalieri Sais, pelo fornecimento de dados referentes à Bacia do Mogi Guaçu, essenciais para a realização da pesquisa.

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Gleysols genesis and fluvial dynamics in a quaternary floodplain of the meandering river, Minas Gerais, Brazil

Souza,

Silva,

Batezelli

et al. 2023

Journal of South American Earth Sciences

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Considerações a Respeito Da Distribuição Das Planícies Fluviais Do Rio Mogi Guaçu

Cited by 3 publications

References 0 publications

Evolution of the Semideciduous-Riparian Forest (ecotone Cerrado-Atlantic Forest) during the late Holocene, Southeast of Brazil

Evolution of the Semideciduous-Riparian Forest (ecotone Cerrado-Atlantic Forest) during the late Holocene, Southeast of Brazil

Geossistemas e fragilidade de terras na bacia hidrográfica do Rio Mogi Guaçu/SP

Gleysols genesis and fluvial dynamics in a quaternary floodplain of the meandering river, Minas Gerais, Brazil

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