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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
11/06/2014 |
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Data da última atualização: |
19/10/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SIST, P.; MAZZEI, L.; BLANC, L.; RUTISHAUSER, E. |
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Afiliação: |
Plinio Sist, CIRAD; LUCAS JOSE MAZZEI DE FREITAS, CPATU; Lilian Blanc, CIRAD / CPATU; Ervan Rutishauser, CarboForExpert. |
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Título: |
Large trees as key elements of carbon storage and dynamics after selective logging in the Eastern Amazon. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Forest Ecology and Management, v. 318, p. 103-109, Apr. 2014. |
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DOI: |
10.1016/j.foreco.2014.01.005 |
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Idioma: |
Inglês |
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Conteúdo: |
The long term effect of Reduced-Impact Logging (RIL) on above-ground live biomass (AGB) dynamics was investigated in 18 1-ha logged over permanent sample plots set up in a terra firme rain forest in the Eastern Amazon (Brazil, Paragominas). Both tree survival and growth were investigated among three Diameter at Breath Height (DBH) classes (20?40, 40?60, ⩾60 cm) to assess the contribution of each DBH class to the post-logging AGB recovery. Before logging, mean tree density and AGB per plot (dbh ⩾ 20 cm) were 187 ± 14 trees ha−1 and 377.6 ± 62.8 Mg ha−1 respectively. Although big trees (dbh ⩾ 60 cm) only represented 9.3% of the total tree density, they gathered almost half of total AGB. During the post-logging period (8 years), the mortality of large trees was found to drive the annual net changes and largely overcame the AGB gain in the smaller DBH classes. Indeed, plots with high post-logging mortality of large trees showed negative carbon balance t over the study period (8 years). The over mortality of large trees injured by logging contributed significantly to the annual AGB losses (up to 40%) in the first years after logging. Due to the overwhelming importance of this size class in carbon stocks and dynamic, reducing logging damages and intensity might have great impact in the post-logging biomass dynamics. We estimated that reducing logging intensity from 6 to 3 stems ha−1 would save 27.7 Mg C ha−1 for a 35 years rotation cycle. To compensate this loss of profits, compensatory payments of avoided CO2 emission should worth US $ 6.5/Mg of CO2. This price falls into the range of prices of the international carbon market. Sustainable forest management aiming at enhancing carbon stocks could therefore promote the preservation of the large trees. At our study site, we recommend the adoption of a maximum diameter cutting limit of 110 cm. MenosThe long term effect of Reduced-Impact Logging (RIL) on above-ground live biomass (AGB) dynamics was investigated in 18 1-ha logged over permanent sample plots set up in a terra firme rain forest in the Eastern Amazon (Brazil, Paragominas). Both tree survival and growth were investigated among three Diameter at Breath Height (DBH) classes (20?40, 40?60, ⩾60 cm) to assess the contribution of each DBH class to the post-logging AGB recovery. Before logging, mean tree density and AGB per plot (dbh ⩾ 20 cm) were 187 ± 14 trees ha−1 and 377.6 ± 62.8 Mg ha−1 respectively. Although big trees (dbh ⩾ 60 cm) only represented 9.3% of the total tree density, they gathered almost half of total AGB. During the post-logging period (8 years), the mortality of large trees was found to drive the annual net changes and largely overcame the AGB gain in the smaller DBH classes. Indeed, plots with high post-logging mortality of large trees showed negative carbon balance t over the study period (8 years). The over mortality of large trees injured by logging contributed significantly to the annual AGB losses (up to 40%) in the first years after logging. Due to the overwhelming importance of this size class in carbon stocks and dynamic, reducing logging damages and intensity might have great impact in the post-logging biomass dynamics. We estimated that reducing logging intensity from 6 to 3 stems ha−1 would save 27.7 Mg C ha−1 for a 35 years rotation cycl... Mostrar Tudo |
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Palavras-Chave: |
Dinâmica da biomassa; Gestão florestal; Silvicultura tropical. |
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Thesagro: |
Carbono. |
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Thesaurus Nal: |
Amazonia. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02615naa a2200229 a 4500
001 1988238
005 2022-10-19
008 2014 bl uuuu u00u1 u #d
024 7 $a10.1016/j.foreco.2014.01.005$2DOI
100 1 $aSIST, P.
245 $aLarge trees as key elements of carbon storage and dynamics after selective logging in the Eastern Amazon.$h[electronic resource]
260 $c2014
520 $aThe long term effect of Reduced-Impact Logging (RIL) on above-ground live biomass (AGB) dynamics was investigated in 18 1-ha logged over permanent sample plots set up in a terra firme rain forest in the Eastern Amazon (Brazil, Paragominas). Both tree survival and growth were investigated among three Diameter at Breath Height (DBH) classes (20?40, 40?60, ⩾60 cm) to assess the contribution of each DBH class to the post-logging AGB recovery. Before logging, mean tree density and AGB per plot (dbh ⩾ 20 cm) were 187 ± 14 trees ha−1 and 377.6 ± 62.8 Mg ha−1 respectively. Although big trees (dbh ⩾ 60 cm) only represented 9.3% of the total tree density, they gathered almost half of total AGB. During the post-logging period (8 years), the mortality of large trees was found to drive the annual net changes and largely overcame the AGB gain in the smaller DBH classes. Indeed, plots with high post-logging mortality of large trees showed negative carbon balance t over the study period (8 years). The over mortality of large trees injured by logging contributed significantly to the annual AGB losses (up to 40%) in the first years after logging. Due to the overwhelming importance of this size class in carbon stocks and dynamic, reducing logging damages and intensity might have great impact in the post-logging biomass dynamics. We estimated that reducing logging intensity from 6 to 3 stems ha−1 would save 27.7 Mg C ha−1 for a 35 years rotation cycle. To compensate this loss of profits, compensatory payments of avoided CO2 emission should worth US $ 6.5/Mg of CO2. This price falls into the range of prices of the international carbon market. Sustainable forest management aiming at enhancing carbon stocks could therefore promote the preservation of the large trees. At our study site, we recommend the adoption of a maximum diameter cutting limit of 110 cm.
650 $aAmazonia
650 $aCarbono
653 $aDinâmica da biomassa
653 $aGestão florestal
653 $aSilvicultura tropical
700 1 $aMAZZEI, L.
700 1 $aBLANC, L.
700 1 $aRUTISHAUSER, E.
773 $tForest Ecology and Management$gv. 318, p. 103-109, Apr. 2014.
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| Registros recuperados : 51 | |
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