Floristic, Diversity and Spatial Distribution of Tree Species in a Dry Forest in Southern Brazil

Freitas, Welington Kiffer de

doi:10.15666/aeer/1501_511524

Cited by 5 publications

(5 citation statements)

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“…It has as the center of origin the Asia, in regions with high-altitude tropical and subtropical climates. It is a plant with spontaneous and aggressive growth, developing well both inside and at the edge of forests (FREITAS et al, 2016b.). This species occupied the eleventh position among the most important species in SDF of Santa Catarina according to IFFSC (VIBRANS et al, 2013).…”

Section: Resultsmentioning

confidence: 99%

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Diametric structure of a deciduous forest fragment in the agribusiness region of western Santa Catarina State, Brazil

Freitas¹,

Ferreira²,

Noronha³

et al. 2019

Biosci. J.

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Forest structure studies may be carried out through the diametric distribution of individuals within a population, which is defined by characterizing the number of trees per unit area and diameter class intervals. The De Liocourt's q quotient can be used to assess the relationship between recruitment and mortality in forest communities because when a constant ratio occurs between the classes, it represents that the recruitment rate is similar to the mortality rate and the distribution can be considered as regular or balanced. This study aims to analyze the diametric structure of the arboreal component of a seasonal deciduous forest fragment located in the Peixe River Valley, Midwest of Santa Catarina State, Brazil. The sampled individuals were distributed in diameter classes with an amplitude of 5 cm, in which the center of the first class presented a value of 6.5 cm. Subsequently, the observed and estimated diametric distribution curves were constructed for the overall sampling and for species with the highest importance value (IV) and with different ecological attributes. The study area presented a deficit of trees in the overall and per species diameter classes when compared to a balanced forest. The De Liocourt's q quotient can be used to assess the diametric structure of deciduous forest fragments.

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Section: Resultsmentioning

confidence: 99%

“…The heavily structurally controlled portions in the landscape, with steep slopes and deep valleys, present little or moderately developed soils (Inceptisol) whereas watershed portions with more smoothed relief present more developed soils (Oxisols) (FREITAS et al, 2016b).…”

Section: Study Areamentioning

confidence: 99%

Diametric structure of a deciduous forest fragment in the agribusiness region of western Santa Catarina State, Brazil

Freitas¹,

Ferreira²,

Noronha³

et al. 2019

Biosci. J.

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“…Species richness is related to the high or low environmental heterogeneity present in these sites (SARAIVA, 2011), that is largely dictated by soil hydromorphy, which imposes a certain degree of selectivity on species adapted to these conditions (CARVALHO et al, 2009). Araucaria angustifolia, for example, tends to disappear in riverside environments, being restricted to areas with better soil drainage, while "branquilho" (Gymnanthes klotzschiana), a species that stood out in both strata, is common in hydromorphic soils and can become dominant in such environments (FREITAS et al, 2017).…”

Section: Discussionmentioning

confidence: 99%

Ecological Aspects of Riparian Forest Remnants in the São João River Basin, Paraná

Gomes

Silva

Pilati

et al. 2021

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ResumoAs florestas ripárias são aquelas que acompanham os cursos d'água, formando corredores naturais de grande importância biológica para o ambiente em que estão inseridas. Assim, tendo em vista a relevância dessas áreas, o presente trabalho objetivou levantar informações sobre os remanescentes de floresta ripária localizados na Bacia do Rio São João, Paraná, como forma de subsidiar o diagnóstico ecológico da vegetação e permitir a definição de ações de conservação e restauração da área, bem como sua utilização em futuros planos de manejo. Para o estudo foram amostradas espécies lenhosas dos estratos superior (PAP ≥ 15cm) e inferior (PAP ˂ 15cm e altura ≥ 2m), por meio do método de quadrantes, em oito estações de coleta ao longo do rio São João. Com base no levantamento florístico e parâmetros fitossociológicos observados foi possível verificar que os remanescentes de floresta ripária se encontram bastante degradados, apresentando predominantemente plantas típicas de estágios iniciais da sucessão, resultado de ações antrópicas em seu entorno. Por outro lado, a análise dos atributos reprodutivos revelou a existência de espécies em floração e frutificação durante o ano todo, bem como de elevado número de plantas zoófilas e zoocóricas, atributos essenciais para a manutenção dos processos ecológicos e garantia de manutenção dos serviços ecossistêmicos. Avigora-se a necessidade de ações de conservação e restauração dessa área, para reduzir os efeitos da fragmentação da paisagem, provendo suporte adequado ao desenvolvimento da comunidade.

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“…In the maintenance and conservation of our planet's biodiversity, knowledge of current biogeographical patterns [23], Earth-historical changes [24,25], and speciation processes [26] have outstanding importance. Many areas of biodiversity are still completely undiscovered nowadays [27].…”

Section: Biodiversitymentioning

confidence: 99%

Introductory Chapter: The Main Directions and Tasks of Pure and Applied Biogeography in Solving the Global Problems of Our Time

Hufnágel¹

2018

Pure and Applied Biogeography

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Additional information is available at the end of the chapterPure and applied biogeography is the study of the spatial and temporal distribution of taxa, life forms, communities, biomes, and natural or human-influenced ecosystems of our planet in large scales.Biogeography is one of the oldest life sciences, because already since Alexander von Humboldt's work (1769-1859) it has been a theoretically grounded discipline.Phytogeography and zoogeography are classical subdisciplines of biogeography that study the spatial and temporal distribution of plants and animals, the flora and fauna. Also impor- However, many new theoretical trends have emerged recently [14,15], a number of new methods are used [16], and biogeography has gained outstanding social significance through the effects of human land use on natural communities [17].

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Floristic, Diversity and Spatial Distribution of Tree Species in a Dry Forest in Southern Brazil

Cited by 5 publications

References 24 publications

Diametric structure of a deciduous forest fragment in the agribusiness region of western Santa Catarina State, Brazil

Diametric structure of a deciduous forest fragment in the agribusiness region of western Santa Catarina State, Brazil

Ecological Aspects of Riparian Forest Remnants in the São João River Basin, Paraná

Introductory Chapter: The Main Directions and Tasks of Pure and Applied Biogeography in Solving the Global Problems of Our Time

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