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dc.contributor.authorRODRIGUES-HONDA, K. C. da S.
dc.contributor.authorJUNKES, C. F. de O.
dc.contributor.authorLIMA, J. C.
dc.contributor.authorWALDOW, V. de A.
dc.contributor.authorROCHA, F. S.
dc.contributor.authorSAUSEN, T. L.
dc.contributor.authorBAYER, C.
dc.contributor.authorTALAMINI, E.
dc.contributor.authorFETT-NETO, A. G.
dc.date.accessioned2023-03-10T18:50:46Z-
dc.date.available2023-03-10T18:50:46Z-
dc.date.created2023-03-10
dc.date.issued2023
dc.identifier.citationBiology v. 12, n. 324, 2023.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1152265-
dc.descriptionEvery year more than 150,000 tons of resin used in a myriad of industrial applications are produced by Brazilian plantations of Pinus elliottii Engelm. (slash pine), which are also used for timber. A pine tree can be tapped for resin over a period of several years. Resin is a complex mixture of terpenes, which are carbon-rich molecules, presumably influencing pine plantation carbon budgets. A total of 270 trees (overall mean DBH of 22.93 ± 0.11 cm) of 14-, 24-, and 26-year-old stands had their C content measured. Three different treatments (intact, wounded panels, and wounded + chemically stimulated panels, 30 trees each) were applied per site. Above- and belowground biomass, as well as resin yield, were quantified for two consecutive years. Data were statistically evaluated using normality distribution tests, analyses of variance, and mean comparison tests (p ≤ 0.05). The highest resin production per tree was recorded in the chemically stimulated 14-year-old stand. Tree dry wood biomass, a major stock of carbon retained in cell wall polysaccharides, ranged from 245.69 ± 11.73 to 349.99 ± 16.73 kg among the plantations. Variations in carbon concentration ranged from 43% to 50% with the lowest percentages in underground biomass. There was no significant difference in lignin concentrations. Soils were acidic (pH 4.3 ± 0.10?5.83 ± 0.06) with low C (from 0.05% to 1.4%). Significantly higher C stock values were recorded in pine biomass compared to those reported for temperate zones. Resin-tapping biomass yielded considerable annual increments in C stocks and should be included as a relevant component in C sequestration assessments of planted pine forests.
dc.language.isopor
dc.rightsopenAccess
dc.subjectSequestro de carbono
dc.titleCarbon Sequestration in Resin-Tapped Slash Pine (Pinus elliottii Engelm.) Subtropical Plantations.
dc.typeArtigo de periódico
dc.subject.thesagroPinus Elliottii
dc.subject.thesagroResina
dc.subject.thesagroCarbono
dc.format.extent226 p.
riaa.ainfo.id1152265
riaa.ainfo.lastupdate2023-03-10
dc.contributor.institutionKELLY CRISTINE DA SILVA RODRIGUES-HONDA; CAMILA FERNANDA DE OLIVEIRA JUNKES; JÚLIO CÉSAR DE LIMA; VINICIUS DE ABREU WALDOW; FERNANDO SOUZA ROCHA, CPAC; TANISE LUISA SAUSEN; CIMÉLIO BAYER; EDSON TALAMINI; ARTHUR GERMANO FETT-NETO.
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