Emisiones de dióxido de carbono en estratos de mangle en la Amazonia Oriental Brasileña
Introduction: Carbon dioxide emissions from mangrove soils have a potential impact on the global carbon balance. They are related to anthropic actions and natural processes with interspecific interactions involving physical-chemical and environmental variables. Objective: In this research, the seaso...
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| Formato: | Online |
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Universidad de Costa Rica
2020
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| Acceso en línea: | https://revistas.ucr.ac.cr/index.php/rbt/article/view/36169 |
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RBT36169 |
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ojs |
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Universidad de Costa Rica |
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Revista de Biología Tropical |
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spa |
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Online |
| author |
Castellón Rodríguez, Nelson Vitorino, Maria I. Berrêdo, José F. Gonçalves Jardim, Mário A. Oliveira de Miranda, Artur G. |
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Castellón Rodríguez, Nelson Vitorino, Maria I. Berrêdo, José F. Gonçalves Jardim, Mário A. Oliveira de Miranda, Artur G. Emisiones de dióxido de carbono en estratos de mangle en la Amazonia Oriental Brasileña |
| author_facet |
Castellón Rodríguez, Nelson Vitorino, Maria I. Berrêdo, José F. Gonçalves Jardim, Mário A. Oliveira de Miranda, Artur G. |
| author_sort |
Castellón Rodríguez, Nelson |
| description |
Introduction: Carbon dioxide emissions from mangrove soils have a potential impact on the global carbon balance. They are related to anthropic actions and natural processes with interspecific interactions involving physical-chemical and environmental variables. Objective: In this research, the seasonality of carbon dioxide emissions related to different strata of mangrove vegetation, soil physical-chemical makeup and physical environmental factors were evaluated. Methods: Nine plots of 20 x 20 m were demarcated (three for each of the three vegetation strata) in the Experimental Site of the Federal Rural University of the Amazon and the Federal University of Pará in Cuiarana, Salinópolis, Pará, Brazil. Duplicate soil samples were taken from each plot during three consecutive seasonal periods and analyzed in the laboratory. Carbon dioxide emissions were monitored for 88 days through the basal breathing of the soil methodology; other variables evaluated were soil moisture and temperature, hydrogenic potential, redox potential, carbon and nitrogen of the microbial biomass, organic matter and composition of sand, silt and clay. Precipitation data was obtained from the CMORPH technique of the Climate Forecast Center - NOAA. Information on tides was obtained from the Brazilian Navy’s Fundeadouro de Salinópolis. Results: The results showed that the highest carbon dioxide emissions occurred in the rainy season 2017 on average 7.5 (14.5 TCO2 ha/year) mg/100 cm3. With 10.5 mg/100 cm3 (21 TCO2 ha/year), the adult stratum was the largest source of emissions. The highest seasonal correlations of the emissions in relation to the incubation intervals occurred in the rainy season, in the adult stratum the days 1,2,3,4,3,3 and 5. Using principal component analysis (PCA) it was found that the highest correlations of carbon dioxide emissions and physical-chemical variables occurred in the adult stratum with 56 % variance. The highest correlations were found with the variables soil moisture, Ph, organic matter, carbon and microbial nitrogen. The Kruskal-Wallis test corroborated these results, indicating significant differences between vegetation strata and CO2 emissions (P= 0.0170); and the Tukey test confirmed greater statistical importance of the adult mangrove in relation to the other strata (P= 0.0140). Conclusions: In the three analyzed stations, the highest emissions occurred in the rainy period with an average of 14.5 TCO2 ha/year and the adult stratum was responsible for the highest emissions registering 21 TCO2 ha/year difference that was statistically significant with the other strata (P = 0.0140). |
| title |
Emisiones de dióxido de carbono en estratos de mangle en la Amazonia Oriental Brasileña |
| title_short |
Emisiones de dióxido de carbono en estratos de mangle en la Amazonia Oriental Brasileña |
| title_full |
Emisiones de dióxido de carbono en estratos de mangle en la Amazonia Oriental Brasileña |
| title_fullStr |
Emisiones de dióxido de carbono en estratos de mangle en la Amazonia Oriental Brasileña |
| title_full_unstemmed |
Emisiones de dióxido de carbono en estratos de mangle en la Amazonia Oriental Brasileña |
| title_sort |
emisiones de dióxido de carbono en estratos de mangle en la amazonia oriental brasileña |
| title_alt |
Carbon dioxide emissions in mangrove strata of the Eastern Brazilian Amazonia |
| publisher |
Universidad de Costa Rica |
| publishDate |
2020 |
| url |
https://revistas.ucr.ac.cr/index.php/rbt/article/view/36169 |
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RBT361692023-11-09T20:01:35Z Carbon dioxide emissions in mangrove strata of the Eastern Brazilian Amazonia Emisiones de dióxido de carbono en estratos de mangle en la Amazonia Oriental Brasileña Castellón Rodríguez, Nelson Vitorino, Maria I. Berrêdo, José F. Gonçalves Jardim, Mário A. Oliveira de Miranda, Artur G. cambio climático ecosistema flujo de carbono microorganismos sedimentos carbon flow climate change ecosystem microorganisms sediments Introducción: Las emisiones de dióxido de carbono de los suelos de manglar tienen un impacto potencial en el balance global de carbono. Objetivo: Investigar la estacionalidad de las emisiones de dióxido de carbono relacionadas con diferentes estratos de la vegetación de manglar, así como las variables físico-químicas del suelo y las ambientales. Métodos: Se demarcaron nueve parcelas de 20 x 20 m (tres para cada estrato de vegetación). Las emisiones de dióxido de carbono fueron monitoreadas durante 88 días a través de la metodología de respiración basal del suelo. Resultados: Los resultados mostraron que las mayores emisiones de dióxido de carbono se presentaron en la temporada lluviosa 2017 con 21.8 (7.3 ± 3.3) mg/100 cm3 y 15.7 (5.2 ± 1.6) mg/100 cm3 en el período menos lluvioso. En análisis de componentes principales con un 56 % de varianza total, demostró que las mayores correlaciones de las emisiones de dióxido de carbono y las variables físico-químicas se dieron en el estrato adulto; la humedad del suelo, pH, materia orgánica, carbono y nitrógeno microbiano fueron las variables más correlacionadas. La prueba Kruskal-Wallis corroboró estos resultados comprobando diferencias significativas entre los estratos de vegetación y las emisiones de CO2 (P= 0.0170), y la prueba de Tukey confirmó mayor importancia estadística del manglar adulto en relación con los otros estratos (P= 0.0140). Conclusión: En las tres estaciones analizadas, las mayores emisiones acontecieron en el periodo lluvioso con promedio de 14.5 TCO2 ha/año y el estrato adulto fue el responsable de las mayores emisiones, registrando 21 TCO2 ha/año diferencia que fue estadísticamente significativa con los otros estratos (P = 0.0140). Introduction: Carbon dioxide emissions from mangrove soils have a potential impact on the global carbon balance. They are related to anthropic actions and natural processes with interspecific interactions involving physical-chemical and environmental variables. Objective: In this research, the seasonality of carbon dioxide emissions related to different strata of mangrove vegetation, soil physical-chemical makeup and physical environmental factors were evaluated. Methods: Nine plots of 20 x 20 m were demarcated (three for each of the three vegetation strata) in the Experimental Site of the Federal Rural University of the Amazon and the Federal University of Pará in Cuiarana, Salinópolis, Pará, Brazil. Duplicate soil samples were taken from each plot during three consecutive seasonal periods and analyzed in the laboratory. Carbon dioxide emissions were monitored for 88 days through the basal breathing of the soil methodology; other variables evaluated were soil moisture and temperature, hydrogenic potential, redox potential, carbon and nitrogen of the microbial biomass, organic matter and composition of sand, silt and clay. Precipitation data was obtained from the CMORPH technique of the Climate Forecast Center - NOAA. Information on tides was obtained from the Brazilian Navy’s Fundeadouro de Salinópolis. Results: The results showed that the highest carbon dioxide emissions occurred in the rainy season 2017 on average 7.5 (14.5 TCO2 ha/year) mg/100 cm3. With 10.5 mg/100 cm3 (21 TCO2 ha/year), the adult stratum was the largest source of emissions. The highest seasonal correlations of the emissions in relation to the incubation intervals occurred in the rainy season, in the adult stratum the days 1,2,3,4,3,3 and 5. Using principal component analysis (PCA) it was found that the highest correlations of carbon dioxide emissions and physical-chemical variables occurred in the adult stratum with 56 % variance. The highest correlations were found with the variables soil moisture, Ph, organic matter, carbon and microbial nitrogen. The Kruskal-Wallis test corroborated these results, indicating significant differences between vegetation strata and CO2 emissions (P= 0.0170); and the Tukey test confirmed greater statistical importance of the adult mangrove in relation to the other strata (P= 0.0140). Conclusions: In the three analyzed stations, the highest emissions occurred in the rainy period with an average of 14.5 TCO2 ha/year and the adult stratum was responsible for the highest emissions registering 21 TCO2 ha/year difference that was statistically significant with the other strata (P = 0.0140). Universidad de Costa Rica 2020-03-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Article application/pdf text/html https://revistas.ucr.ac.cr/index.php/rbt/article/view/36169 10.15517/rbt.v68i1.36169 Revista de Biología Tropical; Vol. 68 No. 1 (2020): Revista de Biología Tropical (Int. J. Trop. Biol.): Continuous publication, January - March 2020; 289–299 Revista de Biología Tropical; Vol. 68 Núm. 1 (2020): Revista de Biología Tropical (Int. J. Trop. Biol.): Publicación continua, Enero - Marzo 2020; 289–299 Revista Biología Tropical; Vol. 68 N.º 1 (2020): Revista de Biología Tropical (Int. J. Trop. Biol.): Continuous publication, January - March 2020; 289–299 2215-2075 0034-7744 10.15517/rbt.v68i1 spa https://revistas.ucr.ac.cr/index.php/rbt/article/view/36169/41263 https://revistas.ucr.ac.cr/index.php/rbt/article/view/36169/41301 Copyright (c) 2020 Antonio castellon castellon http://creativecommons.org/licenses/by/4.0 |