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dc.contributor.authorSILVA-JUNIOR, J. N. N.
dc.contributor.authorLIRA-GUEDES, A. C.
dc.contributor.authorBUFALINO, L.
dc.contributor.authorGUEDES, M. C.
dc.date.accessioned2023-11-07T17:31:02Z-
dc.date.available2023-11-07T17:31:02Z-
dc.date.created2023-11-07
dc.date.issued2023
dc.identifier.citationCerne, v. 29, e-103183, 2023.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1157908-
dc.descriptionBackground: Many gaps in the copaifera oleoresin yield remain unfulfilled, preventing the sustainable management of this valuable non-timber forest product. This work aimed to characterize a natural Copaifera reticulata population in the Amazon rainforest, test different positions and depths in the trees to flow oleoresin, and analyze changes in the productiveness between two harvests ten months-spaced. The study was conducted in a Brazilian rainforest area at the Jari Ecological Station (ESEC) in 2017 and 2018, including 26 trees. Results: The diametric and height distributions evidenced light-demanding and mostly medium-class-diameter trees. The annual increment (0.45 ± 0.003 cm/year) was average, while the occurrence was rare. The area hosts yielding and unyielding trees, providing an average oleoresin production of 603.60 mL/tree. Oleoresin only flowed by reaching the inner heartwood or the pith. Oleoresin was not fully replenished after ten months, but the first drilling stimulated some unyielding trees to deliver it later. Collecting should focus on medium-diameter trees. Conclusion: The growth and distribution behaviors may challenge Copaifera?s sustainable management, which depends on the individual tree mechanisms to provide and replenish the oleoresin
dc.language.isoeng
dc.rightsopenAccess
dc.subjectDiâmetro de classe
dc.subjectCanais intercelulares
dc.subjectProduto florestal não madeireiro
dc.subjectEspécies raras
dc.titleChange in oleoresin productivity between harvests and variable drillings of a Copaifera reticulata natural population in the Amazon.
dc.typeArtigo de periódico
dc.subject.thesagroProduto Florestal
dc.subject.thesagroCerne
dc.subject.nalthesaurusHeartwood
dc.subject.nalthesaurusForest products
dc.subject.nalthesaurusNontimber forest products
dc.subject.nalthesaurusRare species
riaa.ainfo.id1157908
riaa.ainfo.lastupdate2023-11-07
dc.identifier.doi10.1590/01047760202329013183
dc.contributor.institutionJOÃO NELSON NASCIMENTO SILVA-JUNIOR, UNIVERSIDADE FEDERAL DO AMAPÁ; ANA CLAUDIA LIRA GUEDES, CPAF-AP; LINA BUFALINO, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA; MARCELINO CARNEIRO GUEDES, CPAF-AP.
Aparece en las colecciones:Artigo em periódico indexado (CPAF-AP)

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