Estimativa da oferta de biomassa florestal em povoamentos de &lt;i&gt;Pinus taeda&lt;/i&gt; L. após intervenções culturais

Ferreira, Juliana Ceccato; Stähelin, Thielly Schmidt Furtado; Jesus, Márcia Silva de; Muñiz, Graciela Inés Bolzón de; Brand, Martha Andréia; Freitas, Thaís Pereira

doi:10.5902/1980509815187

Cited by 3 publications

(3 citation statements)

References 10 publications

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“…The Secretariat, in this way, is responsible for urban cleaning such as pruning, weeding and sweeping and its proper destination where it is carried out by professionals trained to perform such action. It is estimated that in 2017, about 47.8 million tons of biomass residues were generated, originating from the forest base, including bark, branches, leaves, chips, sawdust and wood chips that can be reused especially for energy generation (FERREIRA et al, 2019). According to the survey carried out, tree branches were found intertwining the electrical network, as shown in Figure 4.…”

Section: Resultsmentioning

confidence: 99%

Municipal master plan for urban afforestation in a small town in Zona da Mata Mineira

Ribeiro

Oliveira²,

Araujo³

2022

Natural Resources

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OThe present work aimed to evaluate the existing afforestation in the central squares and public roads of the city of Guarará, MG. In the survey, 32 trees and 2 palm trees were identified, totaling 34 individuals, in 6 botanical families and 6 species, including unidentified ones. Individuals were evaluated: Identification of the origin of the planted species, Size, Root system about damage to sidewalks, Conflicts with pedestrians, For the species that were evaluated, the lack of planning of afforestation was analyzed, which presented trees in a bad situation with some evaluated characteristics identified. It is concluded Of the trees evaluated, 28% did not demonstrate the need for management, 9% presented the need for adequate management and have a conflict with the urban space such as the raising of the sidewalk, conflict with the passage of pedestrians. 15% are large, 7% medium, and 11% are small trees. The origin of the planted species, 1% are exotic and 99% are native species. It is suggested to the public management of the city of Guarará, that together with the professionals trained for such work, prepare an urban afforestation plan for the municipality.

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Section: Resultsmentioning

confidence: 99%

Municipal master plan for urban afforestation in a small town in Zona da Mata Mineira

Ribeiro

Oliveira²,

Araujo³

2022

Natural Resources

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“…Conforme Ferreira et al (2019), plantios florestais com maior espaçamento entre as árvores possibilitam maior crescimento em diâmetro, fornecendo madeira do fuste para fins mais nobres e com maior valor agregado. Os valores médios de DAP e altura encontrados neste estudo são semelhantes àqueles observados por Wink (2009), que avaliou o estoque de carbono em Eucalyptus spp.…”

Section: Discussionunclassified

Estimativa do estoque de carbono em um povoamento de Eucalyptus sp. de 25 anos estabelecido no Sul do Brasil

Saldanha¹,

Quevedo²,

Mendes³

et al. 2023

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O objetivo do presente estudo foi avaliar os estoques de carbono arbóreo de um povoamento de Eucalyptus sp. com aproximadamente 25 anos, em Santa Maria, região central do estado do Rio Grande do Sul, Brasil. Para isso, foram coletados dados de um povoamento de Eucalyptus sp., de 25 anos de idade, com espaçamento inicial de 4 m x 4 m, e estabeleceram-se aleatoriamente quatro parcelas de 30 m x 20 m para mensuração das variáveis diâmetro à altura do peito (DAP) e a altura total (H) de todas as árvores de cada parcela, utilizando-se fita diamétrica e hipsômetro Vertex IV, para posterior realização dos cálculos de área basal (g), volume (v) de cada árvore, quantificação da massa seca das árvores pelo método não destrutivo e estoque de carbono. Os valores médios encontrados para DAP e H foram 40,81 cm e 39,04 m, respectivamente, e a biomassa média total nas árvores de eucalipto foi 515,06 Mg.ha-1, com estoque médio total de carbono nas árvores de eucalipto de 242,08 Mg.ha-1. Dessa maneira, observa-se que o eucalipto apresenta grande potencial para alocação de biomassa e carbono orgânico por possuir rápido crescimento e elevada produtividade. Palavras-chave: inventário florestal; plantações florestais; variáveis dendrométricas.

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“…For Schikowski et al (2013), the biomass of the other compartments in addition to the stem is extremely important and representative in the total biomass estimation. When quantifying the residue biomass in a Pinus taeda stand after silvicultural interventions, Ferreira et al (2019) indicated the existence of great potential for the exploitation of residue biomass, especially in multiple-use reforestation, with 87.2% of residue remaining in the exploration area referring to the crown (branches and needles).…”

Section: Discussionmentioning

confidence: 99%

INFLUENCE OF INITIAL DENSITY ON BIOMASS PRODUCTION IN A Pinus taeda L. PLANTATION IN THE CENTRAL-SOUTH REGION OF PARANÁ, BRAZIL

Vale

Filho

Retslaff

et al. 2022

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The evaluation of the productive potential of a forest plantation through biomass production is fundamental for managing and planning forest-based industries, with the spacing one of the factors that has influence on biomass production. This study aimed to evaluate the production of aboveground biomass in Pinus taeda L. stands as a function of the spacing, in which three different stands (2.0 m x 2.0 m (smallest), 3.0 m x 2.0 m (medium) and 4.0 m x 2.0 m (larger)), implanted in the municipality of Irati, Paraná state, Brazil, were evaluated. Thus, 47, 43 and 46 trees (from the 3 different spacings) were sampled by the direct method, respectively, totaling 136 trees. Each tree was segmented into: stem, live branches, dead branches and needles. The F-test (ANOVA) and Tukey’s test was applied. For all individual components analyzed, the “larger” spacing accumulated more biomass than the “smallest” and “medium” spacings, being 34.5 and 14.9% higher for the individual total biomass, respectively. As for the production per hectare, the “smallest” spacing produced 36.0 and 20.2% more biomass than the “larger” and “medium” spacings, respectively, configuring itself as the most appropriate for the total biomass production. The “stem” component represented from 83.7 to 88.5% of the produced biomass, followed by “dead branches”, “live branches” and “needles”. Only the biomass for dead branches and needles were significantly influenced by spacing.

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Estimativa da oferta de biomassa florestal em povoamentos de <i>Pinus taeda</i> L. após intervenções culturais

Cited by 3 publications

References 10 publications

Municipal master plan for urban afforestation in a small town in Zona da Mata Mineira

Municipal master plan for urban afforestation in a small town in Zona da Mata Mineira

Estimativa do estoque de carbono em um povoamento de Eucalyptus sp. de 25 anos estabelecido no Sul do Brasil

INFLUENCE OF INITIAL DENSITY ON BIOMASS PRODUCTION IN A Pinus taeda L. PLANTATION IN THE CENTRAL-SOUTH REGION OF PARANÁ, BRAZIL

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