Comprehensive assessment of carbon productivity, allocation and storage in three Amazonian forests
The allocation and cycling of carbon (C) within forests is an important component of the biospheric C cycle, but is particularly understudied within tropical forests. We synthesise reported and unpublished results from three lowland rainforest sites in Amazonia (in the regions of Manaus, Tapajós and...
| Autor principal: | Malhi, Yadvinder Singh |
|---|---|
| Outros Autores: | Aragao, L. E.O.C., Metcalfe, Daniel B., Paiva, Romilda Q., Quesada, Carlos Alberto, Almeida, Samuel Miranda, Anderson, Liana Oighenstein, Brando, Paulo Monteiro, Chambers, Jeffrey Quintin, Costa, Antônio Carlos Lôla da, Hutyra, Lucy R., Oliveira, Paulo J.C., Patiño, Sandra, Pyle, Elizabeth Hammond, Robertson, Amanda L., Teixeira, Liliane Martins |
| Grau: | Artigo |
| Idioma: | English |
| Publicado em: |
Global Change Biology
2020
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| Acesso em linha: |
https://repositorio.inpa.gov.br/handle/1/18443 |
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oai:repositorio:1-18443 |
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oai:repositorio:1-18443 Comprehensive assessment of carbon productivity, allocation and storage in three Amazonian forests Malhi, Yadvinder Singh Aragao, L. E.O.C. Metcalfe, Daniel B. Paiva, Romilda Q. Quesada, Carlos Alberto Almeida, Samuel Miranda Anderson, Liana Oighenstein Brando, Paulo Monteiro Chambers, Jeffrey Quintin Costa, Antônio Carlos Lôla da Hutyra, Lucy R. Oliveira, Paulo J.C. Patiño, Sandra Pyle, Elizabeth Hammond Robertson, Amanda L. Teixeira, Liliane Martins Carbon Cycle Carbon Sequestration Litterfall Net Primary Production Soil Respiration Tropical Forest Amazonia South America The allocation and cycling of carbon (C) within forests is an important component of the biospheric C cycle, but is particularly understudied within tropical forests. We synthesise reported and unpublished results from three lowland rainforest sites in Amazonia (in the regions of Manaus, Tapajós and Caxiuanã), all major sites of the Large-Scale Biosphere-Atmosphere Programme (LBA). We attempt a comprehensive synthesis of the C stocks, nutrient status and, particularly, the allocation and internal C dynamics of all three sites. The calculated net primary productivities (NPP) are 10.1 ± 1.4 MgC ha-1 yr-1 (Manaus), 14.4 ± 1.3 Mg Cha-1 yr-1 (Tapajós) and 10.0 ± 1.2MgCha-1 yr-1 (Caxiuanã). All errors bars report standard errors. Soil and leaf nutrient analyses indicate that Tapajós has significantly more plant-available phosphorus and calcium. Autotrophic respiration at all three sites (14.9-21.4 Mg Cha yr-1) is more challenging to measure, with the largest component and greatest source of uncertainty being leaf dark respiration. Comparison of measured soil respiration with that predicted from C cycling measurements provides an independent constraint. It shows general good agreement at all three sites, with perhaps some evidence for measured soil respiration being less than expected. Twenty to thirty percent of fixed C is allocated belowground. Comparison of gross primary productivity (GPP), derived from ecosystem flux measurements with that derived from component studies (NPP plus autotrophic respiration) provides an additional crosscheck. The two approaches are in good agreement, giving increased confidence in both approaches to estimating GPP. The ecosystem carbon-use efficiency (CUEs), the ratio of NPP to GPP, is similar at Manaus (0.34 ± 0.10) and Caxiuanã (0.32 ± 0.07), but may be higher at Tapajós (0.49 ± 0.16), although the difference is not significant. Old growth or infertile tropical forests may have low CUE compared with recently disturbed and/or fertile forests. © Journal compilation © 2009 Blackwell Publishing. 2020-06-15T21:55:06Z 2020-06-15T21:55:06Z 2009 Artigo https://repositorio.inpa.gov.br/handle/1/18443 10.1111/j.1365-2486.2008.01780.x en Volume 15, Número 5, Pags. 1255-1274 Restrito Global Change Biology |
| institution |
Instituto Nacional de Pesquisas da Amazônia - Repositório Institucional |
| collection |
INPA-RI |
| language |
English |
| topic |
Carbon Cycle Carbon Sequestration Litterfall Net Primary Production Soil Respiration Tropical Forest Amazonia South America |
| spellingShingle |
Carbon Cycle Carbon Sequestration Litterfall Net Primary Production Soil Respiration Tropical Forest Amazonia South America Malhi, Yadvinder Singh Comprehensive assessment of carbon productivity, allocation and storage in three Amazonian forests |
| topic_facet |
Carbon Cycle Carbon Sequestration Litterfall Net Primary Production Soil Respiration Tropical Forest Amazonia South America |
| description |
The allocation and cycling of carbon (C) within forests is an important component of the biospheric C cycle, but is particularly understudied within tropical forests. We synthesise reported and unpublished results from three lowland rainforest sites in Amazonia (in the regions of Manaus, Tapajós and Caxiuanã), all major sites of the Large-Scale Biosphere-Atmosphere Programme (LBA). We attempt a comprehensive synthesis of the C stocks, nutrient status and, particularly, the allocation and internal C dynamics of all three sites. The calculated net primary productivities (NPP) are 10.1 ± 1.4 MgC ha-1 yr-1 (Manaus), 14.4 ± 1.3 Mg Cha-1 yr-1 (Tapajós) and 10.0 ± 1.2MgCha-1 yr-1 (Caxiuanã). All errors bars report standard errors. Soil and leaf nutrient analyses indicate that Tapajós has significantly more plant-available phosphorus and calcium. Autotrophic respiration at all three sites (14.9-21.4 Mg Cha yr-1) is more challenging to measure, with the largest component and greatest source of uncertainty being leaf dark respiration. Comparison of measured soil respiration with that predicted from C cycling measurements provides an independent constraint. It shows general good agreement at all three sites, with perhaps some evidence for measured soil respiration being less than expected. Twenty to thirty percent of fixed C is allocated belowground. Comparison of gross primary productivity (GPP), derived from ecosystem flux measurements with that derived from component studies (NPP plus autotrophic respiration) provides an additional crosscheck. The two approaches are in good agreement, giving increased confidence in both approaches to estimating GPP. The ecosystem carbon-use efficiency (CUEs), the ratio of NPP to GPP, is similar at Manaus (0.34 ± 0.10) and Caxiuanã (0.32 ± 0.07), but may be higher at Tapajós (0.49 ± 0.16), although the difference is not significant. Old growth or infertile tropical forests may have low CUE compared with recently disturbed and/or fertile forests. © Journal compilation © 2009 Blackwell Publishing. |
| format |
Artigo |
| author |
Malhi, Yadvinder Singh |
| author2 |
Aragao, L. E.O.C. Metcalfe, Daniel B. Paiva, Romilda Q. Quesada, Carlos Alberto Almeida, Samuel Miranda Anderson, Liana Oighenstein Brando, Paulo Monteiro Chambers, Jeffrey Quintin Costa, Antônio Carlos Lôla da Hutyra, Lucy R. Oliveira, Paulo J.C. Patiño, Sandra Pyle, Elizabeth Hammond Robertson, Amanda L. Teixeira, Liliane Martins |
| author2Str |
Aragao, L. E.O.C. Metcalfe, Daniel B. Paiva, Romilda Q. Quesada, Carlos Alberto Almeida, Samuel Miranda Anderson, Liana Oighenstein Brando, Paulo Monteiro Chambers, Jeffrey Quintin Costa, Antônio Carlos Lôla da Hutyra, Lucy R. Oliveira, Paulo J.C. Patiño, Sandra Pyle, Elizabeth Hammond Robertson, Amanda L. Teixeira, Liliane Martins |
| title |
Comprehensive assessment of carbon productivity, allocation and storage in three Amazonian forests |
| title_short |
Comprehensive assessment of carbon productivity, allocation and storage in three Amazonian forests |
| title_full |
Comprehensive assessment of carbon productivity, allocation and storage in three Amazonian forests |
| title_fullStr |
Comprehensive assessment of carbon productivity, allocation and storage in three Amazonian forests |
| title_full_unstemmed |
Comprehensive assessment of carbon productivity, allocation and storage in three Amazonian forests |
| title_sort |
comprehensive assessment of carbon productivity, allocation and storage in three amazonian forests |
| publisher |
Global Change Biology |
| publishDate |
2020 |
| url |
https://repositorio.inpa.gov.br/handle/1/18443 |
| _version_ |
1787142279800029184 |
| score |
11.653393 |