Potential of agroforestry for carbon sequestration and mitigation of greenhouse gas emissions from soils in the tropics

Mutuo, Patrick K.; Cadisch, Georg; Albrecht, Alain; Palm, Cheryl; Verchot, Louis

doi:10.1007/s10705-004-5285-6

Cited by 185 publications

(102 citation statements)

References 41 publications

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“…Uma alternativa, supostamente sustentável, que vem sendo apresentada para essa região é o uso de sistemas agroflorestais (MUTUO et al, 2005). Esses sistemas de produção, por manterem uma cobertura vegetal semelhante às áreas sob floresta, permitem a manutenção da fertilidade do solo fundamentada no aporte e ciclagem dos resíduos orgânicos (SILVA et al, 2011).…”

Section: Introductionunclassified

“…2016. Freitas, I. C. de et al ISSN eletrônico 1982 10.5380/rf.v46i1.42065 matéria orgânica nas propriedades físicas, químicas e biológicas do solo, possibilita grande acúmulo de carbono nos compartimentos biomassa, serapilheira e solo (MUTUO et al, 2005;FROUFE et al, 2011). Na literatura, a maioria dos trabalhos relativos à serapilheira estuda a produção e o acúmulo em ecossistemas preservados (FERREIRA et al, 2007;SA NCHES et al, 2009) ou agroecossistemas silviagrícolas (VIEIRA et al, 2009).…”

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Carbono No Solo, Acúmulo E Qualidade Da Serapilheira Em Sistemas De Produção Familiar

Freitas¹,

Santos²,

Filho³

et al. 2016

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ResumoNa Amazônia, a conversão das florestas em agroecossistemas tem se caracterizado pela redução nos estoques de carbono vegetal, o que não se alinha com os princípios da sustentabilidade. O objetivo deste estudo foi avaliar os impactos do uso do solo pela agricultura familiar nos estoques de carbono do solo, na quantidade acumulada e na qualidade da serapilheira. As formas de uso avaliadas foram: SAF = sistema agroflorestal, PA = pastagem cultivada, RT = roça de toco e M A = mata nativa, todos sobre Neossolo Quartzarênico. Em cada sistema foram coletadas sete amostras de serapilheira e de solo nas profundidades de 0-5, 5-10, 10-20 e 20-40 cm nos meses de julho de 2010 e janeiro de 2011. Foram analisados os teores de macro e micronutrientes, relação C/N, lignina, polifenóis e carbono na serapilheira e no solo. Entre os sistemas antropizados, o SAF apresentou maior produção de serapilheira e acúmulo de nutrientes nos resíduos nos dois períodos avaliados e maior estoque de carbono no solo no período seco. No entanto, seus resíduos foram mais recalcitrantes que os tratamentos MA e PA. Palavras-chave: Sistema agroflorestal; agricultura itinerante; agricultura familiar. AbstractCarbon in soil, accumulation and quality litter in family production systems. In the Amazon, the conversion of forests into agricultural ecosystems has been characterized by a reduction in carbon stocks in vegetation, which does not align with the principles of sustainability. The aim of this study was to evaluate the impacts of soil use by family farmers in soil carbon stocks, quantity and quality of litter accumulated. Forms of use were evaluated: SAF = agroforestry system, PA = pasture, RT = stump field and M A = preserved forest, all about Quartzipsamment. In each system were collected seven samples of litter and soil at depths of 0-5, 5-10, 10-20 and 20 -40 cm in July 2010 and January 2011. The contents of macro and micronutrients, C/N ratio, lignin, polyphenols and carbon in the litter and soil were analyzed. Among the anthropogenic systems the SAF system presented higher litter production, accumulation of nutrients in the residues in these two periods of collection and increased carbon storage in the soil during the dry season. However, their residues were more recalcitrant than those of the M A and PA treatments. Keywords: Agroforestry system; shifting agriculture; family farming. INTRODUÇÃONa A mazônia, a conversão das florestas em agroecossistemas tem sido marcada pela redução dos estoques de carbono (C) na biomassa, o que implica sua transferência para a atmosfera. Segundo Matheus (2012), as plantações e pastos podem ter de 20 a 100 vezes menos carbono estocado por unidade de área que as florestas, e a estimativa de transferência de C para a atmosfera, decorrente dessa conversão, corresponde a 1,7 bilhões de toneladas por ano. No solo, a quantidade de C armazenada chega a quase 1.500 Gt (1 Gt = 10 9 toneladas), enquanto a atmosfera contém, apro ximadamente, 750 Gt , ou seja, metade do C do solo. Assim, pequena mudança no carbono d...

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Section: Introductionunclassified

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Carbono No Solo, Acúmulo E Qualidade Da Serapilheira Em Sistemas De Produção Familiar

Freitas¹,

Santos²,

Filho³

et al. 2016

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“…Deforestration and forest degradation leads to a decrease of land-based carbon stock, and thus to carbon emission (Hairiah et al, 2006;Mutuo et al, 2005;Silver et al, 2004;van Noordwijk et al, 2002;Woomer et al, 2000;). Countering this trend and establishing treebased farming systems (agroforestry) can lead to carbon sequestration in the long term (Van Noordwijk et al, 2008;Wang et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

“…In general, the carbon stock (five pools: trees, understory vegetation, litter, roots and Corg in top 30 cm) in tropical ranges from 350 -500 Mgha -1 (Mutuo et al, 2005). Conversion of natural forest into agroforestry system may reduce carbon stocks to around 260 Mgha -1 , and carbon stock will drop seriously until 38% or 133 Mgha -1 when forest lands are converted into cassava land .…”

Section: Introductionmentioning

confidence: 99%

Contribution of Agroforestry System in Maintaining Carbon Stocks and Reducing Emission Rate at Jangkok Watershed, Lombok Island

Markum¹,

Ariesoesiloningsih²,

Suprayogo³

et al. 2013

Agrivita.J.Agr.Sci

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Agroforestry systems under rules of communitybased forest management support local livelihoods in the Jangkok watershed, Lombok Island. One of the conditions from the forest authoritiesfor allowing agroforestry system is that it should maintain forest conditions. Since 1995 the Jangkok watershed has undergone rapid land use change, especially in the forest area. These changes led to a reduction of carbon stocks and thus to emission of CO2. This research aimed to: (1) Measure the carbon stocks in several land use system within the Jangkok watershed, (2) Assess the contribution of agroforestry systems in maintaining carbon stocks and reducing emissions. The assesment was performed based on the RaCSA (Rapid Carbon Stock Appraisal) method using three phases: (1) Classify land use change applying TM5 Landsat Satellite images for the period 1995-2009, (2) Measure carbon stock in the main land uses identified, (3) Quantify the contribution of agroforestry practices. Results showed that (1) The total amount of carbon stock at Jangkok watershed (19,088 ha) was 3.69 Mt (193 Mgha -1 ); about 23% of this stock found in the agroforestry systems (32% of the area),(2) Gross CO2 emission from the Jangkok watershed was 8.41 Mg ha -1 yr -1 , but due to the net gain in agroforestry of 2.55 Mgha -1 yr -1 the net emission became 5.86 Mgha -1 yr -1

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“…By adopting the plantation of perennial crops in an area about 24, 29 and 16 ha in Nacharam, Yagantipalli and Chamaluru resulted in the mitigation potential of 12.4, 12.9 and 8.1 %, respectively. Perennial crops improve the soil condition (Mutuo et al 2005) and would enhance the C sequestration (Dixon 1995) by improving crop productivity, thereby reducing soil loss by erosion. The land use change through afforestation or reforestation should increase C sequestration per unit of land, and the rate of C sequestered by trees within a system will depend on tree species, age and density (Quinkenstein et al 2009) besides the edapho-climatic conditions, management, fertilization and land clearing.…”

Section: Afforestation and Perennial Cropsmentioning

confidence: 99%

Assessing village-level carbon balance due to greenhouse gas mitigation interventions using EX-ACT model

Srinivasarao

Rani

Veni

et al. 2015

Int. J. Environ. Sci. Technol.

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Under National Initiative on Climate Resilient Agriculture (NICRA) project, a range of climate smart agricultural practices were evaluated with on-farm demonstrations during 2011-2013 in eight climatically vulnerable villages of Andhra Pradesh, India. Proven climate smart practices viz residue recycling, soil, water and nutrient management, afforestation and feeding ? breeding practices in livestock were implemented in annual and perennial crops, irrigated rice, horticulture, fodder, forestry and livestock. An EX-ante carbon-balance tool (EX-ACT) developed by the FAO was used with a combination of various climate smart interventions to know the mitigation potentials in eight climatically vulnerable villages of Andhra Pradesh, India. Based on our observations, EX-ACT model had shown that these practices were effective to mitigate CO 2 emissions apart from enhancing soil productivity. In Nacharam, Yagantipalli, Sirusuwada and Matsyapuri villages, climate smart practices implemented in annual crops along with crop residue recycling, crop and water management practices resulted in negative carbon (C) balance by -16,410, -8851, -7271 and -6125 t CO 2 e, respectively. The EX-ACT model predicted positive carbon balance with irrigated module in the rice-growing villages of Sirusuwada and Matsyapuri villages. The negative values suggest a sink, and positive values a source for CO 2 emissions. In Chamaluru village, although there were CO 2 emissions (source) due to livestock and nonforest and land use changes, there was a carbon sink due to other activities as predicted by the model. The results suggested that various climatic smart practices at the village level were successful in creating net sink of CO 2 emissions (t CO 2 e).

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Potential of agroforestry for carbon sequestration and mitigation of greenhouse gas emissions from soils in the tropics

Cited by 185 publications

References 41 publications

Carbono No Solo, Acúmulo E Qualidade Da Serapilheira Em Sistemas De Produção Familiar

Carbono No Solo, Acúmulo E Qualidade Da Serapilheira Em Sistemas De Produção Familiar

Contribution of Agroforestry System in Maintaining Carbon Stocks and Reducing Emission Rate at Jangkok Watershed, Lombok Island

Assessing village-level carbon balance due to greenhouse gas mitigation interventions using EX-ACT model

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