2013
DOI: 10.1590/s2236-89062013000300009
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Necromassa em reflorestamentos com espécies nativas da Mata Atlântica com 4, 6 e 8 anos de implantação

Abstract: -(Necromass in 4, 6 and 8-year old Atlantic Forest restoration sites). In addition to the recognized contribution of ecological restoration to ecosystem services, the fixation of atmospheric carbon has gained attention, as a result of the carbon uptake by growing trees, which can accumulate in different compartments, including the necromass. The goal of this study was to identify factors that explain the variability in necromass amount in reforestations with native species after a period of 4, 6, and 8 years o… Show more

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Cited by 5 publications
(6 citation statements)
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“…It is worth to remember that at the study time, the area of study was two-years old and the canopy had not yet closed. Mota and Torezan (2013) found increases of necromass and woody fractions of litterfall with age in areas of restoration of 4, 6 and 8 years in the Atlantic Forest biome in Paraná. However, there were no differences between the fractions when comparing the first two years of planting in the present study.…”
Section: Campagnaro Vhmentioning
confidence: 80%
“…It is worth to remember that at the study time, the area of study was two-years old and the canopy had not yet closed. Mota and Torezan (2013) found increases of necromass and woody fractions of litterfall with age in areas of restoration of 4, 6 and 8 years in the Atlantic Forest biome in Paraná. However, there were no differences between the fractions when comparing the first two years of planting in the present study.…”
Section: Campagnaro Vhmentioning
confidence: 80%
“…Studies on fine necromass usually account leaves, reproductive material, and bark, but do not specify a threshold diameter in which dead branches and boles are included. Some authors consider a minimum diameter of 1 cm (Wood et al, 2005;Mota and Torezan, 2013), while others account for pieces with a diameter over 2 cm (Arato et al, 2003;Lima et al, 2010). Several studies did not mention the threshold diameter for dead branches inclusion in sampling.…”
Section: Size Of Pieces and Measurement Rangementioning
confidence: 99%
“…Keller et al, 2004;Polo et al, 2013;Aryal et al, 2014) and the fixed area plot (e.g. Fonseca et al, 2011;Mota and Torezan, 2013). IPCC ( 2003) suggests using the intercepting line method when the estimated amount of deadwood is approximately 10 to 15% of the aboveground biomass and the fixed area plot method when it is greater than 15%.…”
Section: Aboveground Woody Necromassmentioning
confidence: 99%
“…Em todos os períodos avaliados, observamos maior percentual de mortos no cerradão e na floresta estacional, o que favorece maior entrada de necromassa nessas fitofisionomias, corroborando com os achados de Chao et al (2009), em um gradiente ambiental na Amazônia. Adicionalmente, a sucessão da composição de espécies ao longo do tempo também conduz ao aumento na necromassa acumulada, devido ao adensamento da vegetação e a substituição de espécies de pequeno porte por espécies de maior porte e que, geralmente, possuem maiores diâmetros (Mota & Torezan 2013), complementando os achados deste estudo.…”
Section: Estoque De Necromassaunclassified
“…Maiores perdas de necromassa nas fitofisionomias florestais, podem estar relacionadas com as características do hábitat, as quais podem potencializar a decomposição. Por exemplo, as florestas possuem dossel fechado, refletindo em menor entrada de luz, redução da temperatura e aumento da umidade, possibilitando um microclima mais favorável ao processo de decomposição (Weedon et al 2009;Rebetez et al 2012;Hoffmann et al 2012;Mota & Torezan 2013). Por outro lado, a umidade relativa do ar, principalmente durante o dia, é mais baixa em ambientes savânicos (Hoffmann et al 2012), o que pode retardar a perda da necromassa no cerrado típico (Palace et al 2008;Luccas 2011;Mota & Torezan 2013).…”
Section: Perda De Necromassa Ao Nível De Comunidadeunclassified