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Carbon sink potential of multistrata agroforestry systems at Atlantic Rain Forest Potencial de sistemas agroflorestais multiestrata para sequestro de carbono em áreas de ocorrência de Floresta Atlântica

By Luís Cláudio Maranhão Froufe, Marcos Fernando Gluck Rachwal and Carlos Eduardo Sicoli Seoane

Abstract

&lt;p&gt;Carbon storage of agroforestry systems, regenerated areas, conventional agriculture and pasture was evaluated at Alto Ribeira Valley region, São Paulo State, Brazil, in different compartments of Land-use systems (LUS). In soil, classified as Entisols and Inceptisols, we found similarities among all LUS, dued to their low contents of organic carbon, and similar values of bulk density. The total carbon stocked on land-use systems, greater amounts were determined on regenerated areas (115.78 Mg ha-1), followed by agroforestry systems (75.38 Mg ha-1), agriculture (47.07 Mg ha-1), and pasture (36.01 Mg ha-1). Despite their conservative characteristic, the silvicultural practices of multistrata agroforestry systems have to be improved for forest production and carbon sequestration.&lt;/p&gt;doi: 10.4336/2011.pfb.31.66.143<br>&lt;p&gt;&lt;span style="font-size: 12pt; font-family: "&gt;Foi avaliado o estoque de carbono no solo, serapilheira, biomassa arbórea e biomassa herbácea de SAFs multiestratos, em comparação a capoeiras em diferentes estágios de regeneração, sistemas agrícolas convencionais e pastagem, todos na região do Alto Vale do Ribeira, SP. Nos Neossolos e Cambissolos, com baixos teores de carbono orgânico e similaridade dos valores de densidade aparente, as capoeiras contribuíram com 115,78 Mg ha-1 de carbono total estocado, seguidas dos SAFs (75,37 Mg ha-1), das áreas agrícolas (47,07 Mg ha-1) e das pastagens (36,01 Mg ha-1). Apesar do grande potencial de sequestro de carbono dos SAFs, há necessidade de melhoria em suas práticas silviculturais.&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style="font-size: 12pt; font-family: "&gt;doi: 10.4336/2011.pfb.31.66.143&lt;br /&gt;&lt;/span&gt;&lt;/p&gt

Topics: Conservação dos recursos naturais, Floresta Ombrófila Densa, Estoque de carbono, SAF, Sistemas de uso do solo, Forestry, SD1-669.5, Agriculture, S, DOAJ:Forestry, DOAJ:Agriculture and Food Sciences
Publisher: Embrapa Florestas
Year: 2011
DOI identifier: 10.4336/2011.pfb.31.66.143
OAI identifier: oai:doaj.org/article:166ea09da2964f1eb0a34c054f3d64ce
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