Species richness of pteridophytes in a montane Atlantic rain forest plot of Southern Brazil

Dittrich, Vinícius Antonio de Oliveira; Waechter, Jorge Luiz; Salino, Alexandre

doi:10.1590/s0102-33062005000300013

Cited by 34 publications

(26 citation statements)

References 23 publications

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“…For instance, Dittrich et al (2005), Paciencia (2008), andSylvestre (1997) have recorded 62.9%, 60.8%, and 48.7% of epiphytic species, respectively. On the other hand, studies that involved more than one type of phytophysiognomy obtained results similar to those found in this study as is the case of works of Salino and Almeida (2008) Thus, the presence of these relatively dry environments may be less attractive for the attachment and growth of some epiphytes.…”

Section: Discussionmentioning

confidence: 99%

Checklist of ferns and lycophytes from the Parque Estadual Turístico do Alto Ribeira, Iporanga, São Paulo, Brazil

Mazziero¹,

Labiak²,

Paciência³

2015

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Section: Discussionmentioning

confidence: 99%

Checklist of ferns and lycophytes from the Parque Estadual Turístico do Alto Ribeira, Iporanga, São Paulo, Brazil

Mazziero¹,

Labiak²,

Paciência³

2015

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“…Most floristic studies on coastal ferns have been restricted to vegetation fragments, parks, conservation units or some specific synusiae (Behar & Viégas 1992;Labiak & Prado 1998;Kersten & Silva 2001;Santos et al 2004;Dittrich et al 2005;Athayde Filho & Windisch 2006;Gonzatti et al 2014b). Despite having an extensive survey area, the richness observed in the present study is lower than that found by other authors in smaller tropical rain and Araucaria forest areas (Mynssen & Windisch 2004;Schwartsburd & Labiak 2007;Salino & Almeida 2008;Prado & Labiak 2009;Gasper & Sevegnani 2010;Souza et al 2012), all of which were in lower latitudes.…”

Section: Discussionmentioning

confidence: 99%

“…At a local scale, climatic factors, such as temperature and humidity (Kessler 2001;Kessler et al 2011), variation in the chemical composition of the edaphic matrix (Tuomisto & Ruokolainen 1993;Tuomisto & Poulsen 1996;Tuomisto et al 2003a;Tuomisto et al 2003b;Tuomisto et al 2014), variation in pH (Ranal 1995a), environmental heterogeneity (Sylvestre & Windisch 2003;Dittrich et al 2005;Nettesheim et al 2014), and fragmentation and edge eff ect (Paciencia & Prado 2005) have been implicated in determining fern and lycophyte distribution.…”

Section: Introductionmentioning

confidence: 99%

“…There are about 140 lycophyte and 1,100 fern species in Brazil (Prado & Sylvestre 2015), with the greatest number occurring in the montane regions of the Atlantic Forest biome (Windisch 2002;Dittrich et al 2005;Prado & Labiak 2009). The presence of a center of diversity and endemism of ferns and lycophytes in the Atlantic Forest of southeastern Brazil (Tryon 1972), is relevant for the diversity of southern Brazil, including the Coastal Region of the state of Rio Grande do Sul.…”

Section: Introductionmentioning

confidence: 99%

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Distribution patterns of ferns and lycophytes in the Coastal Region of the state of Rio Grande do Sul, Brazil

2016

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A survey of ferns and lycophytes of the Coastal Region of the state of Rio Grande do Sul (CRRS) was performed based on fi eld work and collections of the main regional herbaria. Th e following were evaluated for each species: preferential habits (terrestrial, epiphytic or aquatic), geographic distribution patterns and habitats (forest, grassland, and wetland). Th e occurrence of a latitudinal gradient in diversity was tested over fi ve latitudinal ranges using the Sørensen Similarity Index. A total of 17 lycophyte and 206 fern species representing 28 families was found between the latitudes of 29° and 34°S. Exclusively terrestrial species were predominant (162), with the majority (113) exhibiting wide Neotropical distributions, followed by species that also occurred in the state of Paraná (44). Th e forest habitat harbored the greatest number of species (159), while grasslands had the fewest (26). Cluster analysis showed pronounced fl oristic diff erentiation among latitudinal Ranges III (31°01' to 32°S) and IV (32°01' to 31°S), with a similarity index of only 0.41. Our results demonstrate a strong north-to-south reduction in species richness in the study area, which is related to environmental conditions along the latitudinal gradient and, especially, microclimatic diff erences in the transition zone between the Atlantic Forest and Pampa biomes.

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“…Only the Blechnum binervatum subsp. acutum has a preference for hemicorticicolous substrate; the individuals in this species germinate in the soil and later climb a phorophyte, apparently to produce fertile leaves (Dittrich et al, 2005).…”

Section: Cites)mentioning

confidence: 98%

Species richness of fern and lycophyte in an urban park in the Rio dos Sinos basin, Southern Brazil

Schmitt

Goetz

2010

Braz. J. Biol.

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In the northeastern region of the State of Rio Grande do Sul in Southern Brazil, specifically in the Rio dos Sinos basin, urban parks are an important alternative for the conservation of the remaining natural habitats, as well as for the maintenance and perpetuation of biodiversity. A floristic survey of fern and lycophyte species in the Parque Municipal Henrique Luís Roessler (PMHLR) (29° 41' S and 51° 06' W; alt. 16.4 m) in Novo Hamburgo, (State of Rio Grande do Sul, RS) described their life-forms, as well as substrates and preferential environments. Forty-three species, 30 genera and 15 families were found, 39 of which were ferns. The hemicryptophytes had the highest species richness (26), 17 of which were repent, and nine, rosulate. Most species were found in terrestrial substrates (32) and inside the forest (29). Species richness in the PMHLR corresponded to about 13% of the total fern and lycophyte species listed for the State of Rio Grande do Sul, which demonstrates the importance of conservation areas in the Rio dos Sinos basin as an alternative to the preservation of local biodiversity.Keywords: floristic survey, pteridophytes, protected areas, Southern Brazil. Riqueza de espécies de samambaias e licófitas em um parque urbano na bacia do Rio dos Sinos, sul do Brasil ResumoNo sul do Brasil, no nordeste do Rio Grande do Sul, especificamente na bacia do rio dos Sinos, os parques urbanos representam uma alternativa importante para a conservação de remanescentes de hábitats naturais, bem como a manutenção e a perpetuação da biodiversidade. Foi realizado um inventário florístico das espécies de samambaias e licófitas ocorrentes no Parque Municipal Henrique Luís Roessler (PMHLR) (29° 41' S e 51° 06' W; alt. 16,4 m), no município de Novo Hamburgo (RS), enfatizando a forma biológica e de crescimento, bem como o substrato e ambiente preferencial das plantas. Foram registradas 43 espécies, 30 gêneros e 15 famílias, das quais 39 são samambaias. A forma de vida hemicriptófita apresentou a maior riqueza específica (26), sendo 17 espécies de crescimento reptante e nove de rosulado. A maioria das espécies foi encontrada em substrato terrícola (32) e ocorreram no interior florestal (29). A riqueza específica registrada no PMHLR representou cerca de 13% do total de espécies de samambaias e licófitas listadas para o Rio Grande do Sul e demonstra a importância de unidades de conservação, na bacia do rio dos Sinos, como alternativa de preservação da biodiversidade local.Palavras-chave: inventário florístico, pteridófitas, áreas protegidas, sul do Brasil.

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Species richness of pteridophytes in a montane Atlantic rain forest plot of Southern Brazil

Cited by 34 publications

References 23 publications

Checklist of ferns and lycophytes from the Parque Estadual Turístico do Alto Ribeira, Iporanga, São Paulo, Brazil

Checklist of ferns and lycophytes from the Parque Estadual Turístico do Alto Ribeira, Iporanga, São Paulo, Brazil

Distribution patterns of ferns and lycophytes in the Coastal Region of the state of Rio Grande do Sul, Brazil

Species richness of fern and lycophyte in an urban park in the Rio dos Sinos basin, Southern Brazil

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