Plant species composition, richness, and diversity in the palm swamps ( veredas ) of Central Brazil

Bijos, Natália Rodrigues; Eugênio, Chesterton‬ Ulysses Orlando; Mello, Thiago de Roure Bandeira; Souza, Gabriella Ferreira de; Munhoz, Cássia Beatriz Rodrigues

doi:10.1016/j.flora.2017.10.002

Cited by 18 publications

(3 citation statements)

References 26 publications

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“…Species from these families in the Cerrado store reserves and biomass in a great diversity of thickened underground organs that can support regeneration of individual plants after seasonal droughts or fire (Simon et al 2009;Pausas et al 2018;Pilon et al 2020). Poaceae and Cyperaceae, the families with highest richness and cover in the moist grassland, are usually the richest families in wet open grassland ecosystems in the Cerrado (Amorim and Batalha 2007;Munhoz et al 2008;Bijos et al 2017). The most abundant species of the moist grassland in the present study were Paspalum lineare Trin., Arthropogon filifolius Filg.…”

Section: Savannamentioning

confidence: 49%

“…The Cerrado flora has high species richness and a high degree of endemism, especially for the herb-shrub layer, with six times more species than the tree layer (Filgueiras 2002; Flora do Brasil 2020). High dissimilarity has been found in the herb-shrub flora composition between different Cerrado vegetation types (e.g., Batalha and Mantovani 2001) or within the same vegetation type (Bijos et al 2017). In spite of this, evaluations of the species abundance (i.e., density or cover) for the herb-shrub layer along of different vegetation types in the Cerrado are scarce (Cianciaruso and Batalha 2009), especially with regard to the proportion of the composition (Batalha and Martins 2002) and abundance of growth forms that shape the Cerrado lower stratum.…”

Section: Introductionmentioning

confidence: 99%

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Herbaceous-shrub species composition, diversity and soil attributes in moist grassland, shrub grassland and savanna in Central Brazil

et al. 2020

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Section: Savannamentioning

confidence: 49%

Section: Introductionmentioning

confidence: 99%

Herbaceous-shrub species composition, diversity and soil attributes in moist grassland, shrub grassland and savanna in Central Brazil

et al. 2020

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“…Palynological records from central Brazil showed that wet soil vegetations of wetlands (palm swamp or veredas) reach the present values after 7.000 year BP and from 5.600 year BP the climate was similar to that of the present day and as well the types of vegetation grew on top of the plateau: arboreal Cerrado, gallery forest, and palm swamp [73]. The heterogeneity in the species cover, richness, and diversity of endemic vegetation in the wetlands of Cerrado (in nine palm swamps investigated was found a total of 331 species, 167 genera, and 58 families and in all the sites had exclusive species) indicating that these environments are paths isolated from each other by the typical vegetation of Cerrado on dry soils [74]. The hydromorphic causes the collapse of soil structure and reduces the hydraulic conductivity creating an environment that sustains a suspended aquifer that reaches the maximum lateral expansion during the rainfall season.…”

Section: The Depressional Wetland's Landscape and Infiltration Architmentioning

confidence: 99%

The interactive pedological-hydrological processes and environmental sensitivity of a tropical isolated wetland in the Brazilian Cerrado

et al. 2021

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In seasonal flooding isolated wetlands, the degree of wetness suggests a close synergy between soil processes, landscape evolution and hydrology along space and time. Until now, that subject has received insufficient attention despite natural wetlands supply essential environmental services to society and are surrounded by intensive agriculture that uses agrochemicals and fertilizers in their management. The objectives of this study were to propose an infiltration architecture model based on local surface and subsurface water-fluxes in isolated wetland embedded in lateritic plateau covered by savanna and qualify the environmental sensitivity as an area of aquifer recharge. Grain size, soil bulk density, and hydraulic conductivity were determined in five profiles in a soil catena. Unmanned Aerial Vehicle high-resolution images were obtained to generate a digital elevation model and discriminate areas with different vegetation, water accumulation, and environmental sensitivity. Electrical tomography was performed to unveil the soil architecture and infiltration. The soils (Plinthosols) developed on aquic conditions determine the linkage between the surface–subsurface hydrodynamics with the soil's physical properties. We have identified vertical and lateral water-flows in the soil architecture. Vertical flow occurs exclusively at the center, where the wetland is characterized as a recharge zone. Lateral flow towards the borders characterizes a discharge zone. The recharge zone is a depression surrounded by crops; therefore, it is a point of high environmental sensitivity. This hydrodynamic model is essential to support studies related to the dispersion of contaminants since soybean agriculture dominates the whole area of well-drained soils in the Brazilian Cerrado.

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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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Plant species composition, richness, and diversity in the palm swamps ( veredas ) of Central Brazil

Cited by 18 publications

References 26 publications

Herbaceous-shrub species composition, diversity and soil attributes in moist grassland, shrub grassland and savanna in Central Brazil

Herbaceous-shrub species composition, diversity and soil attributes in moist grassland, shrub grassland and savanna in Central Brazil

The interactive pedological-hydrological processes and environmental sensitivity of a tropical isolated wetland in the Brazilian Cerrado

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

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