Nutrient cycling from leaf litter in multistrata successional agroforestry systems and natural regeneration at Brazilian Atlantic Rainforest Biome

Froufe, L. C. M.; Schwiderke, D. K.; Castilhano, Amanda Costa; Cezar, Raul Matias; Steenbock, Walter; Seoane, Carlos Eduardo Sícoli; Bognola, I. A.; Vezzani, Fabiane Machado

doi:10.1007/s10457-019-00377-5

Cited by 32 publications

(30 citation statements)

References 44 publications

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“…Litter is an important component of the net primary productivity of terrestrial ecosystems, of which the yield and composition affect the material cycle of the ecosystem [ 1 ]. The material cycle of forest ecosystems mainly depends on the balance between plant growth and litter decomposition [ 2 ].…”

Section: Introductionmentioning

confidence: 99%

Differences in Microbial Community and Metabolites in Litter Layer of Plantation and Original Korean Pine Forests in North Temperate Zone

Wang

et al. 2020

Microorganisms

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In order to explore the relationship between microbial diversity and metabolites in the litter layer of northern temperate forests, the microbial community structure and metabolite species in the litter layer of an original Korean pine forest and Korean pine plantation of northern temperate climate were determined on the basis of high-throughput sequencing and metabonomic techniques. The results showed that there were 698 bacterial genera and 363 fungal genera in the litter samples in the original Korean pine forest. Linear discriminant effect size (LEfSe) analysis showed that there were 35 indicator bacterial species and 19 indicator fungal species. In the litter samples of the Korean pine plantation, there were 622 bacterial genera and 343 fungal genera. Additionally, LEfSe analysis showed that there were 18 indicator bacterial species and 5 indicator fungal species. The litter of the two forest types contained 285 kinds of organic compounds, among which 16 different metabolites were screened, including 6 kinds of organic acids, 5 kinds of amino acids, 2 kinds of sugars, 2 kinds of sugar alcohols, and 1 kind of lipid. Latescibacteria, Rokubacteria, and Olpidiomycota are unique to the original Korean pine forest. They can catalyze the degradation rate of litter and decompose cellulose and chitin, respectively. Subgroup 6 was abundant in the lower litter layer. Subgroup 6 can grow with carbon compounds as substrate. It was clear that the microbial diversity of the litter layer in the original Korean pine forest was higher than that of the Korean pine plantation. Moreover, whether original forest or plantation forest, the lower-litter layer microbial diversity was higher than that in the middle-litter layer. CCA showed that the main metabolites were related to Chitinophagaceae_uncultured were saccharopine. The main metabolites associated with Mortierella and Polyscytalum were myo-inositol. At the same time, analysis of the difference between the litter layer of the original Korean pine forest and the Korean pine plantation also provides a theoretical basis for their participation in the element cycles of forest ecosystems.

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Section: Introductionmentioning

confidence: 99%

Differences in Microbial Community and Metabolites in Litter Layer of Plantation and Original Korean Pine Forests in North Temperate Zone

Wang

et al. 2020

Microorganisms

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“…Dominant life forms and functional groups change along forest succession (Ostertag et al 2008;Nunes et al 2014;Feng et al 2019) and related shifts in plant carbon allocation patterns can alter leaf chemistry (Endara and Coley 2011) and, consequently, decomposition rates (Aerts 1997). Litter decomposition on the forest floor can accelerate the potential return of N and P in the soil (Yang et al 2004;Feng et al 2019;Froufe et al 2019) and mediate plant competitive interactions, usually favoring the replacement of pioneer species by intermediate-and late-successional species (Chazdon 2008). Litterfall can also change plant recruitment rates, acting as an insulating layer and reducing soil evaporation and the density of weeds (Facelli and Pickett 1991).…”

Section: Introductionmentioning

confidence: 99%

Litterfall dynamics along a successional gradient in a Brazilian tropical dry forest

et al. 2019

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Background: This study aimed to determine the influence of soil traits, vegetation structure and climate on litterfall dynamics along a successional gradient in a tropical dry forest (TDF) in southeastern Brazil. We used a chronosequence design consisting of three successional stages (early, intermediate, and old-growth) defined based on forest age and vertical and horizontal structures. Methods: Litterfall was recorded monthly for three years in 12 plots of 50 × 20 m (four plots per stage) where vegetation parameters (species richness, basal area, density and height for trees with diameter at breast height ≥ 5 cm) and soil chemical and physical traits were previously obtained. We placed eight 0.5-m 2 litter traps in each plot, totalling 96 traps. Samples were sorted into leaves, twigs, reproductive parts, and debris. Results: Litterfall mass was composed mainly of leaves and varied slightly among years (4 to 4.5 Mg•ha − 1), within the range observed for other TDFs. Annual litterfall mass was higher at the old-growth forest than at the early and intermediate forest stages and this successional pattern was driven by vegetation characteristics (forest structural parameters and plant functional groups) and soil traits related to water-holding capacity. Litter amount in the intermediate stage was lower than expected for its forest structure (and similar to the early stage), possibly because its higher soil clay content increased the water holding capacity and leaf retention during the dry season. Seasonal variations in monthly litterfall were strongly driven by forest deciduousness and affected by climatic factors related to water availability. This pattern was consistent across the successional gradient, although differences for each litterfall component were observed. Conclusions: Our results suggest that litter production in the studied TDF is influenced by multiple factors along succession, such as above-ground biomass and the degree of leaf retention mediated by soil water-holding capacity. Further studies on community phenological patterns can allow a better understanding of successional changes on litterfall and how fast this fundamental function recovers in secondary forests.

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“…A permeabilidade da água no solo das agroflorestas também foi recuperada, fazendo brotar nascentes onde estas já haviam secado. Tudo isso em meio à produção de 15 a 40 toneladas de alimento por hectare/ano, gerando segurança alimentar e renda para os agricultores (STEENBOCK et al, 2013b;SEOANE et al, 2014;CEZAR et al, 2015;FROUFE et al, 2019).…”

Section: Agroflorestas No Campo Da Agroecologia: O Caminho Possível Para Regenerar O Metabolismo Entre Ser Humano E Naturezaunclassified

Agrofloresta agroecológica: por uma (re)conexão metabólica do humano com a natureza

Steenbock

Vezzani

Coelho

et al. 2021

Guaju

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Busca-se neste trabalho fazer uma contextualização do potencial das agroflorestas agroecológicas para a reconexão entre ser humano e natureza a partir de uma breve análise histórica fundamentada na percepção sobre o rompimento do metabolismo (fratura metabólica) entre esses elementos. Essa análise segue apontando diferentes formas de agricultura – invisibilizadas e constantemente pressionadas para sua extinção – em que os processos ecológicos são percebidos e utilizados para a produção. Discute-se a resiliência dessas agriculturas a partir de aspectos socioeconômicos da Agricultura Familiar e, nesse contexto, foram trazidos alguns fundamentos de práticas agroflorestais agroecológicas, apontando para sua capacidade de integração entre processos ecológicos e culturais na efetivação de uma forma de produção de alimentos que aproxima humanidade e natureza. Propõe-se, a partir dessa análise, caminhos para a reconexão da fratura metabólica entre esses elementos.

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Nutrient cycling from leaf litter in multistrata successional agroforestry systems and natural regeneration at Brazilian Atlantic Rainforest Biome

Cited by 32 publications

References 44 publications

Differences in Microbial Community and Metabolites in Litter Layer of Plantation and Original Korean Pine Forests in North Temperate Zone

Differences in Microbial Community and Metabolites in Litter Layer of Plantation and Original Korean Pine Forests in North Temperate Zone

Litterfall dynamics along a successional gradient in a Brazilian tropical dry forest

Agrofloresta agroecológica: por uma (re)conexão metabólica do humano com a natureza

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