A composição florística e a diversidade de pteridófitas diferem entre a Floresta de Restinga e a Floresta Ombrófila Densa das Terras Baixas do Núcleo Picinguaba/PESM, Ubatuba/SP?

Nóbrega, Giseli Areias; Eisenlohr, Pedro V.; Paciência, Mateus Luís Barradas; Prado, Jefferson; Aidar, Marcos Pereira Marinho

doi:10.1590/s1676-06032011000200015

Cited by 16 publications

(14 citation statements)

References 36 publications

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“…Patterns found in this study were also found by Nóbrega et al (2011, Salino et al (2013), which supports the hypothesis in this work and the results in the dendrogram.…”

Section: Similaritysupporting

confidence: 92%

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Lycophytes and ferns composition of Atlantic Forest conservation units in western Paraná with comparisons to other areas in southern Brazil

et al. 2015

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This study surveyed lycophyte and fern species in four forest fragments in western Paraná, Brazil, and compared them to 15 other fragments with different plant formations from the Atlantic Forest biome in southern Brazil. In total, five lycophyte species (in two families and two genera) and 98 species and two varieties of ferns (in 16 families and 38 genera) were registered in the four fragments. The most represented families were Pteridaceae (23 spp.), Polypodiaceae (18 spp.), Aspleniaceae (13 spp.), and Thelypteridaceae (11 spp.). Asplenium (12 spp.), Thelypteris (10 spp.), and Blechnum (seven spp.) were among the most represented genera. The occurrence of Dicksonia sellowiana was noteworthy because it was associated with seasonal semideciduous forest and is threatened in Brazil. Similarity among areas was determined by a cluster analysis (UPGMA and Sørensen's index) and the relation between similarity and geographic distance was determined through Matel's analysis. The analyses revealed greater similarity among the four study areas and, for these areas as a whole, greater similarity to fragments in Rio Grande do Sul, which is evidence that these areas have similar environmental conditions.

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“…Patterns found in this study were also found by Nóbrega et al (2011, Salino et al (2013), which supports the hypothesis in this work and the results in the dendrogram.…”

Section: Similaritysupporting

confidence: 92%

“…Thus, also in the four areas under study in western Paraná, the greatest similarity was found between fragments with the same forest formation. Additionally, other factors could influence this similarity, such as environmental heterogeneity (Jones et al 2006;Gasper et al 2012) and disturbance history (Jones et al 2008;Nóbrega et al 2011).…”

Section: Similaritymentioning

confidence: 99%

Lycophytes and ferns composition of Atlantic Forest conservation units in western Paraná with comparisons to other areas in southern Brazil

et al. 2015

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“…the distinction among forest types regarding species composition) of the Atlantic forest in Brazil is well known for tree species (OliveiraFilho and Fontes 2000). For ferns, to our knowledge, this has only been documented by Nóbrega et al (2011). These authors noted a strong differentiation in species composition between a restinga and a lowland rain forest, which could be related to physical and chemical characteristics of soil and water dynamics, among other factors.…”

Section: Discussionmentioning

confidence: 87%

Climate-related variables and geographic distance affect fern species composition across a vegetation gradient in a shrinking hotspot

Gasper

Eisenlohr

Salino

2013

Plant Ecology & Diversity

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Background: The Atlantic Forest biome is a top hotspot for conservation priorities, but the variations in fern species composition and the factors driving these are still poorly known. The vegetation gradient found in the state of Santa Catarina, southern Brazil, constitutes an interesting environmental model for examining such patterns. Aims: We analysed the variation in fern species composition across a vegetation gradient in the southern Atlantic Forest and the variables that might influence it. Methods: We applied cluster analysis (TWINSPAN and WPGMA), ordination (DCA), regression (OLS and GWR) and variance partitioning to species occurrence, environmental and spatial data in 40 sample units (50 × 50 km 2 ), using metadata. Results: Bioclimatic variables, mainly those related to humidity (water being an essential medium for fern reproduction), and geographic distance were related to variation in fern species composition. Dispersal constraints, probably related to neutral processes, could be evoked to explain the significance of the geographic distance. Overall, a great deal of uncertainty remained with regard to the determinants of floristic composition. Conclusions: Our study emphasises, for the first time in the Atlantic Forest, a significant role of environmental determinism and dispersal constraints on the variation of fern species composition.

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“…Although lycophytes and ferns reach high frequency and abundance in humid forests, they also occur in dry environments, where some genera can be quite species-rich (Moran 2008). Locally pteridophytes are not randomly distributed, as their presence or absence reflects microhabitat characteristics, such as soil texture and fertility, atmospheric temperature and humidity, precipitation, and light intensity (Nóbrega et al 2011, Patil et al 2016. Hence the distribution of pteridophytes being strongly related with abiotic variables, this group presents a great potential as EI.…”

Section: Introductionmentioning

confidence: 99%

Pteridophytes as ecological indicators: an overview

Della

Falkenberg

2019

Hoehnea

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Pteridophytes as ecological indicators: an overview). The pteridophytes present a great but poorly explored potential as ecological indicators (EIs), shown only in some sparse studies. Therefore, to analyze this potential, we reviewed published articles, websites, or books with pteridophytes as EIs, searching on five scholar databases and also on Google. We selected 134 studies, conducted in all continents (118 in mainland areas and 16 in islands). Brazil is the country with the highest number of studies (N = 33). In general, several species were considered as EIs in a given study, not only a single. The use of Pteridophytes in these works was classified in seven different types: a) classification of vegetation, soils, environments, and ecosystems (N = 65), b) environmental integrity (or quality) (N = 21), c) disturbance (N = 17), d) regeneration/restoration of habitats and/or ecosystems (N = 10), e) climate changes (N = 10), f) contamination of air, soil, or water (N = 14), and g) association with other groups of organisms (N = 12). The vast majority of these studies merely hypothesized the potential use of the Pteridophytes as EIs, with few presenting helpful criteria for the selection of EIs. Although there is an increasing recognition of the potential use of Pteridophytes as EIs, a more in-depth discussion about the criteria for selecting Pteridophytes as indicators and the real uses of such plants is needed.

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A composição florística e a diversidade de pteridófitas diferem entre a Floresta de Restinga e a Floresta Ombrófila Densa das Terras Baixas do Núcleo Picinguaba/PESM, Ubatuba/SP?

Cited by 16 publications

References 36 publications

Lycophytes and ferns composition of Atlantic Forest conservation units in western Paraná with comparisons to other areas in southern Brazil

Lycophytes and ferns composition of Atlantic Forest conservation units in western Paraná with comparisons to other areas in southern Brazil

Climate-related variables and geographic distance affect fern species composition across a vegetation gradient in a shrinking hotspot

Pteridophytes as ecological indicators: an overview

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