Fungos micorrízicos arbusculares na recuperação de florestas ciliares e fixação de carbono no solo

Braghirolli, Felipe Luiz; Sgrott, Andressa Franzoi; Pescador, Rosete; Uhlmann, Alexandre; Stürmer, Sidney Luiz

doi:10.1590/s0100-06832012000300005

Cited by 16 publications

(11 citation statements)

References 48 publications

(11 reference statements)

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“…According to Braghirolli et al (2012), the fungi are abundant components of the soil biota and, therefore, the MOS, which explains the correlations observed in the present work. Additionally, the structures formed by these fungi can contribute significantly to the amount of C fixed in the soil.…”

Section: /6supporting

confidence: 82%

Arbuscular mycorrhizal fungi in soils of arboreal Caatinga submitted to forest management

Pereira

Barreto-Garcia

Scoriza

et al. 2018

Agraria

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ABSTRACT:The arbuscular mycorrhizal fungi (AMF) community presents a variable tolerance to changes in the medium, to which it responds modifying the number of propagules. For this reason, the study of the effect of different management practices on this community can help to understand the magnitude of the changes caused to the ecosystem. The objective of this study was to evaluate changes in the community of arbuscular mycorrhizal fungi in the soil in an area of arboreal Caatinga submitted to forest management. The study was conducted in Contendas do Sincorá (BA). Three types of forest management (clear-cutting, selective logging based on diameter, and selective logging based on species) and one control area were evaluated. Soil samples were collected at 0-10 cm depth in two periods (five and 10 months after management). AMF spores were present in low density (< 1 spore g -1 soil), dry and non-viable, and were generally more abundant in managed areas. Fewer species were observed in the control area. The AMF community showed to be related to the attributes of the soil and sensitive to management practices, demonstrating greater impact under clear cut management.Key words: AMF community; spore diversity; indicator of sustainability Fungos micorrízicos arbusculares em solo sob Caatinga arbórea submetida a manejo florestal RESUMO: A comunidade de fungos micorrízicos arbusculares (FMA) apresenta diferentes tolerâncias a alterações no meio, respondendo a estas mudanças com modificações no seu número de propágulos. Por essa razão, o estudo do efeito de diferentes práticas de manejo sobre esta comunidade pode auxiliar no entendimento da magnitude das alterações ocasionadas no ecossistema. O objetivo deste estudo foi avaliar mudanças na comunidade de fungos micorrízicos arbusculares do solo em área de Caatinga arbórea submetida a manejo florestal. O estudo foi realizado em Contendas do Sincorá (BA). Foram avaliados três tipos de manejo florestal (corte raso, corte seletivo por diâmetro e corte seletivo por espécie) e uma área testemunha. As amostras de solo foram coletadas na profundidade de 0-10 cm, em dois períodos (cinco e 10 meses após a execução do manejo). Os esporos de FMA apresentaram-se em baixa densidade (< 1 esporo g -1 de solo), secos e inviáveis e, geralmente, em maior quantidade nas áreas manejadas. Menor número de espécies foi observado na testemunha. A comunidade de FMA mostrou-se relacionada aos atributos do solo e sensível as práticas de manejo, demonstrando maior impacto do manejo corte raso.

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Section: /6supporting

confidence: 82%

Arbuscular mycorrhizal fungi in soils of arboreal Caatinga submitted to forest management

Pereira

Barreto-Garcia

Scoriza

et al. 2018

Agraria

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“…Relatively high GRSP concentrations and high GRSP/SOC ratio highlighted the importance of AMF production in soil C accumulation. Moreover, our results indicated that AMF is a larger C sink in tropical forest soils than previously assumed based on live extraradical or intraradical hyphae 49 .…”

Section: Discussionsupporting

confidence: 51%

Recalcitrant carbon components in glomalin-related soil protein facilitate soil organic carbon preservation in tropical forests

Zhang

Tang

Zhong

et al. 2017

Sci Rep

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Glomalin-related soil protein (GRSP) is known as an important microbial by-product which is crucial for preserving or accumulating soil organic carbon (SOC). However, the underlying mechanisms are not well understood. In this study, we investigated the chemical structures of GRSP and its relationship with SOC using 13C nuclear magnetic resonance (NMR) in three tropical forests. The three forests, including a planted forest (PF), a secondary forest (MF) and a primary forest (BF), were selected to represent the natural successional process after disturbance in southern China. Results showed that the average concentrations of GRSP were (3.94 ± 1.09) mg cm−3 and accounting for (3.38 ± 1.15)% of the SOC in the top 10 cm soil. NMR analysis indicated rich aromatic C (~30%) and carboxyl C (~40%) in GRSP, and abundant alkyl C (~30%) and O-alkyl C (~50%) in SOC. The recalcitrance indexes (RI), as defined as the ratio of sum of alkyl C and aromatic C over sum of O-alkyl C and carboxyl C, was (98.6 ± 18.9)%, (145.5 ± 10.9)% and (20.7 ± 0.3)% in GRSP higher than that in SOC in the PF, MF and BF, respectively. This study demonstrated that the stubborn structure of GRSP probably regulate the resistance of SOC sequestration in tropical forests, especially in the planted and secondary forests.

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“…Arbuscular mycorrhizal fungi (AMF) promote plant development in degraded environments and their inoculation in K. rubriflora species can guarantee their establishment in mined areas. Studies on mycorrhizal dependence in the field are important to understand plant responses to mycorrhization, as these may have symbiotic associations and responses which vary according to environmental conditions such as soil phosphorus concentration, water content, pH, salinity, temperature, quality and light intensity, among others (BRAGHIROLLI et al, 2012). There are reports of plants which depend on mycorrhizae to develop, as is the case with Piptadenia gonoacantha (Mart.)…”

Section: Introductionmentioning

confidence: 99%

GROWTH OF Kielmeyera rubriflora INOCULATED WITH ARBUSCULAR MYCHORRIZAL FUNGI ON IRON MINING SUBSTRATES

Lara

silva

Oliveira

et al. 2019

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Mining results in major landscape changes. Restoring areas after exploitation of natural resources can be accomplished through adopting techniques used to optimize the restoration process. Among such techniques, planting seedlings of species adapted to adverse edaphoclimatic conditions and which have interspecific associations with microorganisms stand out. One of these indigenous species which occur in the Southern Espinhaço Mountain Range with potential for use in restoring degraded areas is Kielmeyera rubriflora (Spreng) Mart. Thus, the objective of this study was to evaluate the influence of inoculating arbuscular mycorrhizal fungi on the survival and growth of Kielmeyera rubriflora Cambess. on two substrates from iron mining. The experiment was carried out in a nursery of the UFVJM Plant Species Propagation Center (CIPEF) in a randomized block design and treatments arranged in a 2 x 2 factorial design, using two iron mining substrates and inoculated and uninoculated plants with five repetitions. The seedlings received 25 g of the soil-inoculum mixture of Paraglomus occultum (C. Walker) JB Morton & D. Redecker and Claroideoglomus etunicatum (WN Becker & Gerd) C. Walker & A. Schüßler at the transplantation time to 17 dm3 pots. Stem diameter and leaf number were influenced only by the main effects of substrate and inoculation, while plant height was influenced by the interaction between substrate and inoculation. Inoculation with mycorrhizal fungi in Kielmeyera rubriflora ensures survival, species growth and root development on both iron mining substrates and is a suggested strategy for planting in areas degraded by iron mining.

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Fungos micorrízicos arbusculares na recuperação de florestas ciliares e fixação de carbono no solo

Cited by 16 publications

References 48 publications

Arbuscular mycorrhizal fungi in soils of arboreal Caatinga submitted to forest management

Arbuscular mycorrhizal fungi in soils of arboreal Caatinga submitted to forest management

Recalcitrant carbon components in glomalin-related soil protein facilitate soil organic carbon preservation in tropical forests

GROWTH OF Kielmeyera rubriflora INOCULATED WITH ARBUSCULAR MYCHORRIZAL FUNGI ON IRON MINING SUBSTRATES

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