Caracterização dos Solos e da Estrutura Fitossociológica da Vegetação de Veredas da Chapada no Triângulo Mineiro

Ramos, M.; Haridasan, M.; Araújo, Glein Monteiro

doi:10.21664/2238-8869.2014v3i2.p180-210

Cited by 13 publications

(16 citation statements)

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“…Th e families with the largest number of species were Poaceae (n = 53), Cyperaceae (n = 44), Asteraceae (n = 24), Eriocaulaceae (n = 18), Xyridaceae (n = 17), Lentibulariaceae (n = 16), Melastomataceae (n = 12), Rubiaceae (n = 12) and Fabaceae (n = 11), collectively accounting for 71.9% of the sampled angiosperms. In the studies conducted by Araújo et al (2002), Guimarães et al (2002), Ramos (2004), and Oliveira et al (2009), these same families, with the exception of Lentibulariaceae, also showed the highest species richness. Guimarães et al (2002) registered no Lentibulariaceae species and only three Xyridaceae species.…”

Section: Resultsmentioning

confidence: 82%

“…In the studies conducted by Araújo et al (2002), Guimarães et al (2002), Ramos (2004), andOliveira et al (2009), these same families, with the exception of Lentibulariaceae, also showed the highest species richness. Guimarães et al (2002) registered no Lentibulariaceae species and only three Xyridaceae species.…”

Section: Resultsmentioning

confidence: 82%

“…As can be seen, at the fi rst two sites, there was a slight increase from October to March. Th is small variation in species number might have occurred because palm swamps have a seasonal area and a perennial area, the soil in the latter remaining water-saturated for several months of the year (Ramos 2004, Oliveira 2005.…”

Section: Eleocharis Fi Liculmismentioning

confidence: 99%

“…bras. (Araújo et al 2002; Guimarães et al 2002;Ramos 2004;Oliveira et al 2009). However, there have been no studies on the plant diversity of this physiognomy in the central part of the Cerrado.…”

Section: Introductionmentioning

confidence: 99%

“…Th us, it will be possible to understand the aspects that characterize palm swamps and to support measures to mitigate possible environmental impacts. Th ere have been a few studies on palm swamp vegetation (Araújo et al 2002;Guimarães et al 2002;Ramos 2004;Oliveira et al 2009). However, there have been no studies on the plant diversity of this physiognomy in the central part of the Cerrado.…”

Section: Introductionmentioning

confidence: 99%

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Floristic and phytosociological analysis of palm swamps in the central part of the Brazilian savanna

2013

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We analyzed the fl oristics and phytosociology of three palm swamps in the municipality of Bela Vista de Goiás, located in the state of Goiás, Brazil, in the central part of the Brazilian savanna (Cerrado). Th e fl oristic surveys were conducted monthly from May 2008 to April 2009, and 310 species were recorded (seven bryophytes, 15 ferns and 288 angiosperms). Bryophytes belonged to fi ve genera and fi ve families; ferns belonged to nine genera and nine families; and angiosperms belonged to 134 genera and 45 families. Th e angiosperm families with the highest species richness were Poaceae, Cyperaceae, Asteraceae, Eriocaulaceae, Xyridaceae, Lentibulariaceae, Melastomataceae, Rubiaceae and Fabaceae. Th e palm swamps were divided into three zones of increasing humidity: edge, middle and core. Th e number of species was higher in the middle than at the edge and the core. Th e families with the highest cover values were Cyperaceae, Melastomataceae, Arecaceae and Poaceae. Although the palm swamps had been disturbed to varying degrees, those disturbances did not aff ect the fl ora in the middle or the core. Floristic similarity was high between these two zones within a given palm swamp and low between the edges of diff erent palm swamps. Acta Botanica Brasilica 27(1): 205-225. 2013. IntroductionWetlands are environments in which water is the determining factor of abiotic and biotic conditions (Keddy 2000, Steinke & Saito 2008. Th ese areas support several typical animal and plant species and foster a large number of ecological processes that sustain those species (Maltchik et al. 2003), making wetlands some of the most productive environments on the planet (Steinke & Saito 2008).In the Brazilian savanna (Cerrado), despite the dominance of phytophysiognomies on well-drained soils, wetlands such as palm swamps also occur (Meireles et al. 2002). Palm swamps are communities composed of a continuous herb-grass layer, which occupies most of their area, and a tree-shrub layer dominated by individuals of the palm Mauritia fl exuosa L. f. (local name, buriti), with a canopy cover of between 5% and 10% (Ribeiro & Walter 2008).In addition to the diversity of plant species (Araújo et al. 2002, Guimarães et al. 2002, palm swamps present some distinct micro-ecosystems in which there are some plant-animal interactions that are still poorly understood (Oliveira et al. 2009). Th ese environments serve as refuges, food sources and reproduction sites for the aquatic and terrestrial fauna of the adjacent phytophysiognomies (Guimarães et al. 2002). Th ey are also sites of great scenic beauty with economic and sustainable potential for ecotourism and for extractivism involving species such as M. fl exuosa and Syngonanthus nitens (Bong.) Ruhland (capim-dourado, which means "golden grass") by small rural communities (Schmidt et al. 2008).Palm swamps are categorized as areas of permanent preservation, for ensuring the maintenance of springs and the quality of watercourses (Araújo et al. 2002). Although legally protected, palm swamps ha...

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Section: Resultsmentioning

confidence: 82%

Section: Resultsmentioning

confidence: 82%

Section: Eleocharis Fi Liculmismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Floristic and phytosociological analysis of palm swamps in the central part of the Brazilian savanna

2013

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Plant communities in veredas: distribution of native tree/shrubby regeneration and of the invasive species Pinus caribaea Morelet

et al. 2022

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This work aimed to identify: (1) heterogeneity patterns in veredas, considering tree/shrubby regeneration and chemical and physical characteristics of the soil;(2) how the vereda zones (edge, intermediate and core) can influence the tree/ shrubby regeneration and (3) which microenvironmental characteristics determine the distribution of native tree/shrubby regenerants and of the invasive species Pinus caribaea Morelet. For this, we collected environmental and biophysical data and sampled the regeneration of tree/shrubby species in 30 plots in two different veredas. The moisture and chemical characteristics of the soil, and regeneration composition were similar among the vereda zones, but showed important variations among sample units. In addition to soil moisture, soil chemical elements and canopy coverage characteristics also formed environmental gradients. The native tree/shrubby species occupied different positions along the environmental gradient of the veredas. The invasive species P. caribaea was more concentrated in less declined sites, in more basic and more humid soils, together with most native species. In general, the results demonstrate the absence of clear zoning, as well as the importance of environmental heterogeneity and the control of biological invasion for the maintenance of native tree/shrub regeneration.

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The importance of palm swamps for carbon storage in a multifunctional landscape in the Brazilian savanna

et al. 2021

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Caracterização dos Solos e da Estrutura Fitossociológica da Vegetação de Veredas da Chapada no Triângulo Mineiro

Cited by 13 publications

References 0 publications

Floristic and phytosociological analysis of palm swamps in the central part of the Brazilian savanna

Floristic and phytosociological analysis of palm swamps in the central part of the Brazilian savanna

Plant communities in veredas: distribution of native tree/shrubby regeneration and of the invasive species Pinus caribaea Morelet

The importance of palm swamps for carbon storage in a multifunctional landscape in the Brazilian savanna

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