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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
08/12/2021 |
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Data da última atualização: |
08/12/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SILVA, M. G. da; SAMPAIO, F. G.; TANIWAKI, R. H.; BARROS, N. O.; ALVALÁ, P. C.; BETTANIN, V. C.; GAROFALO, D. F. T.; COSTA, D. O. da; AYER, J. E. B.; GONDEK, T. P.; PACKER, A. P. |
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Afiliação: |
MARCELO GOMES DA SILVA, CNPq; FERNANDA GARCIA SAMPAIO, CNPMA; RICARDO HIDEO TANIWAKI, UFABC; NATHAN OLIVEIRA BARROS, UFJF; PLINIO CARLOS ALVALÁ, INPE; VIVIANE CRISTINA BETTANIN, CNPMA; DANILO FRANCISCO TROVO GAROFALO; DANILO OLIVEIRA DA COSTA, CNPq; JOAQUIM ERNESTO BERNARDES AYER, CNPq; THASSIA PINE GONDEK, CNPq; ANA PAULA CONTADOR PACKER, CNPMA. |
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Título: |
Increase of methane emission linked to net cage fish farms in a tropical reservoir. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Environmental Challenges, v. 5, article 100287, 2021. |
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DOI: |
https://doi.org/10.1016/j.envc.2021.100287 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: This study aimed to evaluate the influence of Nile tilapia (Oreochromis niloticus) net cage farming on methane (CH4) emission in a Brazilian tropical reservoir through the quantification of spatial and seasonal variations of diffusive and ebullitive CH4 emissions. To explain the variability of CH4 emission, a hierarchical identification of limnologic and atmospheric parameters was used. A significant increase in diffusive emissions from net cage sites (33.4 ± 54.9 mg Csingle bondCH4 m−2 d−1) was observed when compared to the sites before (4.4 ± 9.4 mg Csingle bondCH4 m−2 d−1) and after (6.2 ± 15.6 mg Csingle bondCH4 m−2 d−1) the net cages. Also, significant increase of ebullitive emissions was also observed from the net cage sites (2,417.1 ± 2,040.7 mg Csingle bondCH4 m−2 d−1) when compared to the average emissions from sites before (1.1 ± 2.1 mg Csingle bondCH4 m−2 d−1) and after (88.7 ± 92.6 mg Csingle bondCH4 m−2 d−1). Results showed a decrease in average CH4 emissions towards the sites after the net cages in all sampled areas which suggests that the influence of tilapia fish farming is local. The highest averages in the reservoir areas for diffusive and ebullitive CH4 emissions were observed in areas with higher production of tilapia. Finally, seasonal variation was observed on diffuse CH4 emission. High concentrations of carbon and phosphorus in water and sediment were the main drivers for increasing diffusive and ebullitive methane emissions. Our findings provide valuable information that tilapia net cage farming in reservoirs can be associated with local and dispersive increased methane emissions. MenosAbstract: This study aimed to evaluate the influence of Nile tilapia (Oreochromis niloticus) net cage farming on methane (CH4) emission in a Brazilian tropical reservoir through the quantification of spatial and seasonal variations of diffusive and ebullitive CH4 emissions. To explain the variability of CH4 emission, a hierarchical identification of limnologic and atmospheric parameters was used. A significant increase in diffusive emissions from net cage sites (33.4 ± 54.9 mg Csingle bondCH4 m−2 d−1) was observed when compared to the sites before (4.4 ± 9.4 mg Csingle bondCH4 m−2 d−1) and after (6.2 ± 15.6 mg Csingle bondCH4 m−2 d−1) the net cages. Also, significant increase of ebullitive emissions was also observed from the net cage sites (2,417.1 ± 2,040.7 mg Csingle bondCH4 m−2 d−1) when compared to the average emissions from sites before (1.1 ± 2.1 mg Csingle bondCH4 m−2 d−1) and after (88.7 ± 92.6 mg Csingle bondCH4 m−2 d−1). Results showed a decrease in average CH4 emissions towards the sites after the net cages in all sampled areas which suggests that the influence of tilapia fish farming is local. The highest averages in the reservoir areas for diffusive and ebullitive CH4 emissions were observed in areas with higher production of tilapia. Finally, seasonal variation was observed on diffuse CH4 emission. High concentrations of carbon and phosphorus in water and sediment were the main drivers for... Mostrar Tudo |
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Palavras-Chave: |
Net cages; Reservoir. |
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Thesagro: |
Metano; Piscicultura; Reservatório de Água; Tilápia Nilótica. |
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Thesaurus Nal: |
Aquaculture tanks; Fish cages; Fish farms; Greenhouse gas emissions; Methane; Tilapia (common name). |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02851naa a2200397 a 4500
001 2137352
005 2021-12-08
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.envc.2021.100287$2DOI
100 1 $aSILVA, M. G. da
245 $aIncrease of methane emission linked to net cage fish farms in a tropical reservoir.$h[electronic resource]
260 $c2021
520 $aAbstract: This study aimed to evaluate the influence of Nile tilapia (Oreochromis niloticus) net cage farming on methane (CH4) emission in a Brazilian tropical reservoir through the quantification of spatial and seasonal variations of diffusive and ebullitive CH4 emissions. To explain the variability of CH4 emission, a hierarchical identification of limnologic and atmospheric parameters was used. A significant increase in diffusive emissions from net cage sites (33.4 ± 54.9 mg Csingle bondCH4 m−2 d−1) was observed when compared to the sites before (4.4 ± 9.4 mg Csingle bondCH4 m−2 d−1) and after (6.2 ± 15.6 mg Csingle bondCH4 m−2 d−1) the net cages. Also, significant increase of ebullitive emissions was also observed from the net cage sites (2,417.1 ± 2,040.7 mg Csingle bondCH4 m−2 d−1) when compared to the average emissions from sites before (1.1 ± 2.1 mg Csingle bondCH4 m−2 d−1) and after (88.7 ± 92.6 mg Csingle bondCH4 m−2 d−1). Results showed a decrease in average CH4 emissions towards the sites after the net cages in all sampled areas which suggests that the influence of tilapia fish farming is local. The highest averages in the reservoir areas for diffusive and ebullitive CH4 emissions were observed in areas with higher production of tilapia. Finally, seasonal variation was observed on diffuse CH4 emission. High concentrations of carbon and phosphorus in water and sediment were the main drivers for increasing diffusive and ebullitive methane emissions. Our findings provide valuable information that tilapia net cage farming in reservoirs can be associated with local and dispersive increased methane emissions.
650 $aAquaculture tanks
650 $aFish cages
650 $aFish farms
650 $aGreenhouse gas emissions
650 $aMethane
650 $aTilapia (common name)
650 $aMetano
650 $aPiscicultura
650 $aReservatório de Água
650 $aTilápia Nilótica
653 $aNet cages
653 $aReservoir
700 1 $aSAMPAIO, F. G.
700 1 $aTANIWAKI, R. H.
700 1 $aBARROS, N. O.
700 1 $aALVALÁ, P. C.
700 1 $aBETTANIN, V. C.
700 1 $aGAROFALO, D. F. T.
700 1 $aCOSTA, D. O. da
700 1 $aAYER, J. E. B.
700 1 $aGONDEK, T. P.
700 1 $aPACKER, A. P.
773 $tEnvironmental Challenges$gv. 5, article 100287, 2021.
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Embrapa Meio Ambiente (CNPMA) |
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| 5. |  | WANDELLI, E. V. Experiências agroflorestais do Estado do Amazonas. In: NASCIMENTO, A. S. do; CORDEIRO, Z. J. M.; PARIZOTTO, I. (Ed.). Arranjos agroflorestais e sistemas integrados de produção. Cruz das Almas: Embrapa Mandioca e Fruticultura, 2010. 1 CD-ROM. (Embrapa Mandioca e Fruticultura. Documentos, 195).| Biblioteca(s): Embrapa Amazônia Ocidental. |
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| 10. | | WANDELLI, E. V. Serviços ambientais de sistemas agroflorestais. In: AMAZONAS. Governo do Estado. O valor dos serviços da natureza - subsídios para políticas públicas de serviços ambientais no Amazonas. Manaus: SDS/CECLIMA, 2010. p. 54-55.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Amazônia Ocidental. |
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| Registros recuperados : 135 | |
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