Daisy Christiane Zambiazi

Universidade Federal de Santa Catarina

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Alfredo Celso Fantini

Universidade Federal de Santa Catarina

Geferson Elias Piazza

Universidade Federal de Santa Catarina

Abdon Luiz Schmitt Filho

Universidade Federal de Santa Catarina

Jean Correia

Instituto Florestal

Lunel Joseph

Universidade Federal de Santa Catarina

Alexander Christian Vibrans

Universidade Regional de Blumenau

Alexandre Siminski

Universidade Federal de Santa Catarina

Heitor Felippe Uller

Universidade Regional de Blumenau

Luis Eduardo Britto Fialho

Universidade Federal de Santa Maria

João Paulo de Maçaneiro

Universidade Federal do Paraná

Cooperative Institutions

Wageningen University & Research

Universidad Nacional Autónoma de México

Universidade Federal de Santa Catarina

University of Arizona

Ecological Society of America

National Institute of Amazonian Research

Santa Fe Institute

Universidade de São Paulo

Amazon (United States)

Alexander von Humboldt Biological Resources Research Institute

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Sistemas silvipastoris e serviços ecossistémicos: a visão dos produtores de leite do Sul do Brasil

Revista de Ciências Agrárias (2019)

Lunel Joseph Abdon Luiz Schmitt Filho Paulo Antônio de Almeida Sinisgalli Joshua Farley Daisy Christiane Zambiazi

This research seeks to understand the dairy sector protagonists about the adoption of silvopastoral systems for shade and synergically rehabilitate the rural landscape of the Atlantic Forest Biome. The study was carried out in the Capital of Agroecology, southern Brazil. The data were collected through semi-structured interviews with the main groups of dairy farmers. Randomly, 30 producers using the Voisin system and 30 using semi-traditional confinement were interviewed. In order to understand the farmers’position it was used Pearson's Chi-Square, Fisher's exact, and a multivariate analysis as an alternative of ordering the producer groups, with Multiple Correspondence Analysis. Most of the producers presented a proactive position regarding the adoption of silvopastoral practices. The implementation of silvopastoral systems in the properties was accepted by the great majority. These results show a paradigm shift over the past decade boosting public policies to improve pasture based dairy, and mitigating livestock impacts on climate change and environmental degradation.

Agroecology

Biome

Position (finance)

10.19084/rca.17116

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Citations (3)

Analysis of genetic diversity in populations of heart-of-palm (Euterpe edulis Martius) using isoenzyme markers.

Revista CERES (2009)

Maisa Pimentel Martins-Corder Luis Eduardo Britto Fialho Daisy Christiane Zambiazi Enéas Ricardo Konzen

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Strong floristic distinctiveness across Neotropical successional forests

Science Advances (2022)

Catarina C. Jakovac Jorge A. Meave Frans Bongers Susan G. Letcher Juan Manuel Dupuy

Forests that regrow naturally on abandoned fields are important for restoring biodiversity and ecosystem services, but can they also preserve the distinct regional tree floras? Using the floristic composition of 1215 early successional forests (≤20 years) in 75 human-modified landscapes across the Neotropic realm, we identified 14 distinct floristic groups, with a between-group dissimilarity of 0.97. Floristic groups were associated with location, bioregions, soil pH, temperature seasonality, and water availability. Hence, there is large continental-scale variation in the species composition of early successional forests, which is mainly associated with biogeographic and environmental factors but not with human disturbance indicators. This floristic distinctiveness is partially driven by regionally restricted species belonging to widespread genera. Early secondary forests contribute therefore to restoring and conserving the distinctiveness of bioregions across the Neotropical realm, and forest restoration initiatives should use local species to assure that these distinct floras are maintained.

Floristics

Optimal distinctiveness theory

10.1126/sciadv.abn1767

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Citations (15)

Carbon sequestration potential of pastures in Southern Brazil: A systematic review

Revista Brasileira de Ciência do Solo (2024)

Eduardo Erpen Fronza Alexandre ten Caten Felipe Bittencourt Daisy Christiane Zambiazi Abdon Luiz Schmitt Filho

ABSTRACT Since the industrial revolution, human activities have emitted approximately 2,500 Gt of CO 2 , increasing the concentration of atmospheric CO 2 by 50 % compared to pre-industrial levels. To better understand the potential for mitigating greenhouse gas (GHG) emissions through proper management of degraded pasture areas, we conducted a systematic literature review and identified 23 publications reporting carbon sequestration values for pastures managed under different conditions in the south and southeast regions of Brazil. From this dataset, 17 publications considered to be in line with the research premises were selected to estimate the potential for soil carbon sequestration (SEQ) through pasture recovery in the southern region of Brazil, using conservative and regenerative agricultural management practices. Results show that managed pastures can sustain carbon sequestration rates of around 2.50 Mg C ha -1 yr -1 over approximately 20 years. However, due to the numerous variables influencing SEQ rates, the limited number of publications, and the lack of data for some variables among them, a more extensive analysis of publications and data is needed to establish causal and preponderance relationships regarding the effect of each variable on the found SEQ rates. Under current pasture occupation conditions in Brazil’s south region, it is estimated these areas could sequester between 0.433 and 1.273 Gt CO 2 at the end of 20 years if managed under appropriate practices. These numbers are not representative to reduce atmospheric CO 2 concentration from legacy emissions and significantly mitigate physical impacts of climate change, reinforcing the importance of prioritizing the reduction of global GHG emissions as the primary mitigation strategy. On the other hand, from the perspective of mitigating the national agricultural sector’s annual GHG emissions, this potential cannot be considered negligible. Carbon sequestration by soils under agricultural management can play a vital role in mitigating climate change, integrating the set of necessary solutions and actions for a Paris Agreement goals compatible trajectory of limiting global warming to between 1.5 and 2 °C by the end of the century.

Atmospheric carbon cycle

10.36783/18069657rbcs20230121

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Citations (1)

Análise da diversidade genética de populações de palmiteiro (Euterpe edulis MARTIUS) através de marcadores isoenzimáticos

Revista CERES (2009)

Maisa Pimentel Martins-Corder Luis Eduardo Britto Fialho Daisy Christiane Zambiazi Enéas Ricardo Konzen

Analysis of genetic diversity in populations of heart-of-palm (Euterpe edulis MARTIUS) using isoenzyme markers Heart-of-palm (Euterpe edulis Martius) was intensively exploited in the Atlantic Forest. Consequently, there was a change in the genetic structure of populations. The genetic diversity of heart-of-palm populations was analyzed in several sub-populations in the State of Rio Grande do Sul. Seedlings were analyzed using isoenzymes with starch gel electrophoresis (Penetrose 30, viscosity 53973”), through 15 loci, representing the systems: a-Esterase, Peroxidase, 6Phosphogluconate dehydrogenase, Phosphoglucomutase, Phosphoglucoisomerase, Leucine aminopeptidase, Malate

Phosphoglucomutase

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Regeneração natural de espécies madeireiras na floresta secundária da Mata Atlântica

Advances in Forestry Science (2017)

Geferson Elias Piazza Daisy Christiane Zambiazi Jean Correia Alfredo Celso Fantini

As florestas secundarias da Mata Atlântica sao ecossistemas de alta produtividade compostos por especies que produzem boas madeiras. Seu aproveitamento economico poderia gerar renda para agricultores, revertendo a tendencia de desmatamentos na regiao. Mas sao escassas as pesquisas que tem um olhar sobre o seu potencial para producao sustentavel de madeiras nesses ecossistemas. Neste estudo, objetivou-se determinar a composicao das especies regenerantes e sua relacao com a estrutura florestal, e descrever o seu potencial para recompor o estoque de especies madeiraveis em caso de colheita de arvores maduras. Em uma floresta em estagio avancado de sucessao, foram inventariadas 272 unidades amostrais de 4 m 2 , distribuidas em 17 parcelas permanentes de 40 m x 40 m, onde foram medidos todos os regenerantes (DAP < 5 cm e altura total ≥ 1,30 m). Os resultados obtidos revelaram que ha representativo numero de regenerantes de especies com potencial madeireiro, e que apresentam uma distribuicao espacial predominantemente aleatoria. Nao foi observada relacao entre a densidade de regenerantes com individuos arboreos e area basal da floresta.

10.34062/afs.v4i2.4034

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Citations (4)

Structure, Biomass and Diversity of a Late-Successional Subtropical Atlantic Forest in Brazil

Floresta e Ambiente (2022)

Laio Zimermann Oliveira João Paulo de Maçaneiro Daniel Augusto da Silva Heitor Felippe Uller Pedro Caldas Britto

The highly biodiverse Atlantic Forest has been heavily exploited and its remnant areas, which are mostly composed of secondary forests, cover less than 20% of its original extension. This study analyzed the structure, aboveground biomass (AGB) and species diversity of a secondary evergreen rainforest in the state of Santa Catarina, southern Brazil. Individuals with diameter at breast height ≥ 5 cm on 22 sample plots were measured, totalizing 3.49 hectares of sampled area. A mean AGB of 201.6 Mg ha-1 (standard deviation = 35.5) was found; Hyeronima alchorneoides and Miconia cinnamomifolia represented 29.1% and 7.6% of the community AGB ha-1, respectively. A total of 153 species distributed in 107 genera and 55 families was observed; it was estimated that 121 species (95% confidence interval: [117, 125]) occurred in one hectare. These results highlight the importance of secondary forests for biodiversity restoration/conservation and carbon sequestration.

Atlantic forest

10.1590/2179-8087-floram-2021-0095

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Citations (1)

Dynamics of Natural Regeneration: Implications for Landscape Restoration in the Atlantic Forest, Brazil

Frontiers in Forests and Global Change (2021)

Alexandre Siminski Daisy Christiane Zambiazi Karine Louise dos Santos Alfredo Celso Fantini

This study aimed to understand post-agricultural natural forest regeneration in the Southern Brazilian Atlantic Forest and its possible role as a cost-effective, passive approach to forest restoration. The study characterized vegetation structure, floristic composition, and the dynamics of secondary forest chronosequences. Data were collected from 159 plots (10 × 10 m each) across forest remnants in Santa Catarina State, covering forest ages that ranged from 2 to 60 years of regeneration after swidden agriculture. Only areas with no signs of degradation were sampled in order to provide a description of vegetation characteristics that could be used to identify and monitor natural regeneration. A total of 11,455 woody plants were identified and classified into 334 species representing 71 families. As the succession process unfolds, the continuous turnover of species makes forests more diverse and structurally complex. Floristic similarity among forest types is observed during the early stages of succession, but decreases over time. Pioneer species dominate young secondary forests, representing about 40% of the basal area up to 10 years of regeneration. Shade-tolerant species start colonizing the sites at early ages; however, they become more important structural elements only after 30 years of succession. The observed patterns of forest structure and species diversity largely conform to the post-agricultural succession seen in many tropical forests. The high species diversity found in this study highlights the importance of natural regeneration as a strategy to restore ecosystems. Floristic data can be used as a reference for choosing suitable species for active restoration, as well as contributing to the design of integrated restoration strategies. We herein reinforce the potential of natural regeneration as part of large-scale restoration programs, which would be particularly attractive to family farmers by the low cost of supplies and labor.

Secondary succession

Floristics

Secondary forest

Basal area

10.3389/ffgc.2021.576908

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Citations (24)

Timber stock recovery in a chronosequence of secondary forests in Southern Brazil: Adding value to restored landscapes

Forest Ecology and Management (2021)

Daisy Christiane Zambiazi Alfredo Celso Fantini Daniel Piotto Alexandre Siminski Alexander Christian Vibrans

Chronosequence

Secondary succession

Secondary forest

Clearcutting

Old-growth forest

Basal area

Stand development

10.1016/j.foreco.2021.119352

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Citations (19)

Structure, Biomass and Diversity of a Late-Successional Subtropical Atlantic Forest in Brazil

Figshare (2022)

Laio Zimermann Oliveira João Paulo de Maçaneiro Daniel Augusto da Silva Heitor Felippe Uller Pedro Caldas Britto

Abstract The highly biodiverse Atlantic Forest has been heavily exploited and its remnant areas, which are mostly composed of secondary forests, cover less than 20% of its original extension. This study analyzed the structure, aboveground biomass (AGB) and species diversity of a secondary evergreen rainforest in the state of Santa Catarina, southern Brazil. Individuals with diameter at breast height ≥ 5 cm on 22 sample plots were measured, totalizing 3.49 hectares of sampled area. A mean AGB of 201.6 Mg ha-1 (standard deviation = 35.5) was found; Hyeronima alchorneoides and Miconia cinnamomifolia represented 29.1% and 7.6% of the community AGB ha-1, respectively. A total of 153 species distributed in 107 genera and 55 families was observed; it was estimated that 121 species (95% confidence interval: [117, 125]) occurred in one hectare. These results highlight the importance of secondary forests for biodiversity restoration/conservation and carbon sequestration.

Atlantic forest

10.6084/m9.figshare.21383122

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Citations (0)