2008
DOI: 10.4257/oeco.2008.1201.12
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Acumulação De Carbono Em Lagos Amazônicos Como Indicador De Eventos Paleoclimáticos E Antrópicos

Abstract: RESUMOA biota terrestre é considerada como um sumidouro de carbono atmosférico. As fl orestas tropicais apresentam um importante papel nesta assimilação, porém pouco ainda se sabe sobre o papel dos sistemas aquá-ticos continentais neste processo de acumulação bem como sua relação com as mudanças paleoclimáticas. Portanto, o objetivo deste artigo consiste em reunir os principais trabalhos realizados em lagos amazônicos, a fi m de evidenciar a participação dos sistemas aquáticos amazônicos no acúmulo de carbono … Show more

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Cited by 11 publications
(13 citation statements)
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“…This reconstruction is in agreement with the drier and more variable climate postulated in Amazonia during the middle Holocene (Absy et al, 1991;Turcq et al, 1998Turcq et al, , 2002Turcq et al, , 2007Mayle et al, 2000;Behling et al, 2001;Sifeddine et al, 2001;Weng et al, 2002;Irion et al, 2006;Bush et al, 2007;Cordeiro et al, 2008;Mayle and Power, 2008;Moreira et al, 2012). This dry climate phase is interpreted as the result of South American Monsoon (SAM) reduction during the early and middle Holocene (Turcq et al, 2002;Abbott et al, 2003;Liu et al, 2003;Dias et al, 2009;Bird et al, 2011).…”
Section: Paleohydrological Changessupporting
confidence: 79%
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“…This reconstruction is in agreement with the drier and more variable climate postulated in Amazonia during the middle Holocene (Absy et al, 1991;Turcq et al, 1998Turcq et al, , 2002Turcq et al, , 2007Mayle et al, 2000;Behling et al, 2001;Sifeddine et al, 2001;Weng et al, 2002;Irion et al, 2006;Bush et al, 2007;Cordeiro et al, 2008;Mayle and Power, 2008;Moreira et al, 2012). This dry climate phase is interpreted as the result of South American Monsoon (SAM) reduction during the early and middle Holocene (Turcq et al, 2002;Abbott et al, 2003;Liu et al, 2003;Dias et al, 2009;Bird et al, 2011).…”
Section: Paleohydrological Changessupporting
confidence: 79%
“…Carbon accumulation in this sedimentary depositional phase was about 8 g C m −2 yr −1 . These results, combined with those of studies from other isolated lakes (Cordeiro et al, 1997(Cordeiro et al, , 2008Turcq et al, 2002) and from other floodplain lakes (Moreira et al, 2012;, point out that floodplain lakes with strong influences from the Amazon River act as important carbon sinks in the Amazon Basin despite their low carbon concentrations. …”
supporting
confidence: 61%
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“…A deposição por acreção vertical foi ressaltada nos depósitos aluviais de trechos do sistema Solimões-Amazonas por Mertes et al (1996), onde a taxa de sedimentação varia entre 0,56 e 1,35 cm/ano (Turcq et al, 2004;Cordeiro et al, 2008).…”
Section: Resultados E Discussõesunclassified