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Titolo:
Biogenic gases in tropical floodplain river
Autore:
Ballester, MVR; dos Santos, JE;
Indirizzi:
USP, CENA, BR-13416000 Sao Paulo, Brazil USP Sao Paulo Brazil BR-13416000 BC, CENA, BR-13416000 Sao Paulo, Brazil UFSCar, Dept Hidrobiol, BR-13565905 Sao Carlos, SP, Brazil UFSCar Sao Carlos SP Brazil BR-13565905 BC13565905 Sao Carlos, SP, Brazil
Titolo Testata:
BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
fascicolo: 2, volume: 44, anno: 2001,
pagine: 141 - 147
SICI:
1516-8913(2001)44:2<141:BGITFR>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
AMAZON RIVER; SAO-PAULO; CARBON; EXCHANGE; METHANE; BRAZIL; AIR;
Keywords:
biogenic gases; methanogenesis; aerobic respiration; CO2 production;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: Ballester, MVR USP, CENA, Av Centenario 303, BR-13416000 Sao Paulo, BrazilUSP Av Centenario 303 Sao Paulo Brazil BR-13416000 BCrazil
Citazione:
M.V.R. Ballester e J.E. dos Santos, "Biogenic gases in tropical floodplain river", BRAZ ARCH B, 44(2), 2001, pp. 141-147

Abstract

Analysis of the distribution of biogenic gases in the floodplain of the Mogi-Guacu River (Sao Paulo, Brazil) enabled the establishment of a "redox hierarchy", in which the main channel was the most oxidizing environment, followed by Diogo Lake, with Infernao Lake having the most reducing conditionsof the subsystems evaluated. Diogo Lake exported about 853.4 g C.m(-2) year(-1), of which, 14.6% was generated from methanogenesis and 36.7% by aerobic respiration. For Infernao Lake, these values were 2016 g C.m(-2) year(-1), 1.8% and 41.5%, respectively. Carbon export by these systems was predominantly in the form of CO2, which was responsible for the release of 728.78 g C.m(-2) year(-1) at Diogo Lake and 1979.72 g C.m(-2). year(-1) at Infernao Lake. Such patterns may result from the nature of the hydrological conditions, the action of the hydroperiod, and morphological characteristics of the environment.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 12/07/20 alle ore 08:42:19