Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/43366
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Campo DCValorIdioma
dc.creatorLedo, Alicia-
dc.creatorSmith, Pete-
dc.creatorZerihun, Ayalsew-
dc.creatorWhitaker, Jeanette-
dc.creatorVicente, José Luis Vicente-
dc.creatorQin, Zhangcai-
dc.creatorMcNamara, Niall P.-
dc.creatorZinn, Yuri L.-
dc.creatorLlorente, Mireia-
dc.creatorLiebig, Mark-
dc.creatorKuhnert, Matthias-
dc.creatorDondini, Marta-
dc.creatorDon, Axel-
dc.creatorDiaz‐Pines, Eugenio-
dc.creatorDatta, Ashim-
dc.creatorBakka, Haakon-
dc.creatorAguilera, Eduardo-
dc.creatorHillier, Jon-
dc.date.accessioned2020-10-08T21:43:05Z-
dc.date.available2020-10-08T21:43:05Z-
dc.date.issued2020-
dc.identifier.citationLEDO, A. et al. Changes in soil organic carbon under perennial crops. Global Change Biology, [S.I.], v. 26, n. 7, p. 4158-4168, July 2020. DOI: https://doi.org/10.1111/gcb.15120.pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/43366-
dc.description.abstractThis study evaluates the dynamics of soil organic carbon (SOC) under perennial crops across the globe. It quantifies the effect of change from annual to perennial crops and the subsequent temporal changes in SOC stocks during the perennial crop cycle. It also presents an empirical model to estimate changes in the SOC content under crops as a function of time, land use, and site characteristics. We used a harmonized global dataset containing paired‐comparison empirical values of SOC and different types of perennial crops (perennial grasses, palms, and woody plants) with different end uses: bioenergy, food, other bio‐products, and short rotation coppice. Salient outcomes include: a 20‐year period encompassing a change from annual to perennial crops led to an average 20% increase in SOC at 0–30 cm (6.0 ± 4.6 Mg/ha gain) and a total 10% increase over the 0–100 cm soil profile (5.7 ± 10.9 Mg/ha). A change from natural pasture to perennial crop decreased SOC stocks by 1% over 0–30 cm (−2.5 ± 4.2 Mg/ha) and 10% over 0–100 cm (−13.6 ± 8.9 Mg/ha). The effect of a land use change from forest to perennial crops did not show significant impacts, probably due to the limited number of plots; but the data indicated that while a 2% increase in SOC was observed at 0–30 cm (16.81 ± 55.1 Mg/ha), a decrease in 24% was observed at 30–100 cm (−40.1 ± 16.8 Mg/ha). Perennial crops generally accumulate SOC through time, especially woody crops; and temperature was the main driver explaining differences in SOC dynamics, followed by crop age, soil bulk density, clay content, and depth. We present empirical evidence showing that the FAO perennialization strategy is reasonable, underscoring the role of perennial crops as a useful component of climate change mitigation strategies.pt_BR
dc.languageenpt_BR
dc.publisherJohn Wiley & Sons Ltdpt_BR
dc.rightsacesso abertopt_BR
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.sourceGlobal Change Biologypt_BR
dc.subjectAgriculturept_BR
dc.subjectArable cropspt_BR
dc.subjectCarbon balancept_BR
dc.subjectEmission factorspt_BR
dc.subjectFruit cropspt_BR
dc.subjectLand use changept_BR
dc.subjectMeta‐analysispt_BR
dc.subjectWoody cropspt_BR
dc.subjectCarbono orgânicopt_BR
dc.subjectMudança do uso da terrapt_BR
dc.subjectCulturas perenespt_BR
dc.titleChanges in soil organic carbon under perennial cropspt_BR
dc.typeArtigopt_BR
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