A5038727760- Ecology and Vegetation Dynamics Studies
- Plant and animal studies
- Plant Diversity and Evolution
- Plant Water Relations and Carbon Dynamics
- Fern and Epiphyte Biology
- Fire effects on ecosystems
- Leaf Properties and Growth Measurement
- Forest ecology and management
- Growth and nutrition in plants
- Plant Parasitism and Resistance
- Environmental and biological studies
- Soil Management and Crop Yield
- Plant responses to water stress
- Seed Germination and Physiology
- Botanical Research and Applications
- Rangeland and Wildlife Management
- Tree-ring climate responses
- Aluminum toxicity and tolerance in plants and animals
- Phytochemistry Medicinal Plant Applications
- Plant Molecular Biology Research
- Conservation, Biodiversity, and Resource Management
- Banana Cultivation and Research
- Plant Stress Responses and Tolerance
- Species Distribution and Climate Change
- Silicon Effects in Agriculture
Universidade Estadual Paulista (Unesp)
2015-2024
Frequentis (Germany)
2019
Fundação de Apoio à Universidade Federal de São Paulo
2015
Núcleo de Pesquisas Aplicadas (Brazil)
2015
Universidade de Brasília
2008-2014
Tropical savannas have been increasingly viewed as an opportunity for carbon sequestration through fire suppression and afforestation, but insufficient attention has given to the consequences biodiversity. To evaluate biodiversity costs of increasing sequestration, we quantified changes in ecosystem stocks associated communities plants ants resulting from Brazilian Cerrado, a global hotspot. Fire resulted increased 1.2 Mg ha
Summary Patterns of growth, activity and renewal stems branches are primary determinants ecosystem function strongly influence net productivity, water energy balance. Here we compare patterns leaf phenology, stem radial growth branch co‐occurring savanna forest trees in the Cerrado region central Brazil to gain insight into these parameters forest–savanna boundary dynamics. We hypothesized that species would have higher rates but later flush than species. studied 12 congeneric pairs, each...
Abstract. The seasonal climate drivers of the carbon cycle in tropical forests remain poorly known, although these account for more assimilation and storage than any other terrestrial ecosystem. Based on a unique combination pan-tropical data sets from 89 experimental sites (68 include aboveground wood productivity measurements 35 litter measurements), their associated canopy photosynthetic capacity (enhanced vegetation index, EVI) climate, we ask how allocation are related to seasonality...
Abstract Silicon (Si) application has improved yield and stress tolerance in sugarcane crops. In this respect, C:N:P stoichiometry makes it possible to identify flows interaction between elements plants their relationship with growth. However, few studies have investigated the influence of Si on physiological variables sugarcane. As such, study aimed assess effect increasing concentrations growth stoichiometric composition early stage. The experiment was conducted pots, using four (0, 0.8,...
Abstract In addition to trees and grasses, the savannas of central Brazil are characterised by a diverse herbaceous dicot flora. Here we tested whether coexistence highly diversified assemblage species resulted in stratification or strong overlap use soil water resources. We measured oxygen hydrogen isotope ratios stem from herbs, grasses growing side side, as well isotopic composition profile, groundwater rainfall, predawn (Ψ pd ) midday md leaf potentials. used stable mixing model estimate...
Abstract The ability of vegetation to ameliorate or exacerbate environmental extremes can generate feedbacks that mediate the distribution biomes. It has been suggested between and frost damage may be important for maintaining savanna, particularly at edge tropics. We quantified air temperature across a network 30 permanent plots distributed tropical savanna–forest boundaries in Brazil during an uncommonly hard frost. Tree cover strongly buffered temperatures events, such forest sites were...
Vegetation-fire feedbacks are important for determining the distribution of forest and savanna. To understand how vegetation structure controls these feedbacks, we quantified flammability across gradients tree density from grassland to in Brazilian Cerrado. We experimentally burned 102 plots, which measured structure, fuels, microclimate, ignition success fire behavior. Tree had strong negative effects on success, rate spread, fire-line intensity flame height. Declining grass biomass was...
Abstract In tree‐dominated ecosystems, the behaviour of surface fires is largely controlled by structure fine fuels. Because leaves make up most fuels, traits those leaves—their size, shape and leaf area for a given mass—help determine impacts vegetation on fire regimes. this study, we developed several methods to better quantify linkage between improve our understanding role tree species in Brazilian forest/savanna mosaic regime. We novel framework partition volume into linear combination...
Gochnatia polymorpha (Less.) Cabrera is a widespread Asteraceae species found in different physiognomies of cerrado (Neotropical savanna) and forest formations southeast Brazil. This study describes some leaf anatomy characteristics this quantitatively evaluates them relation to environments, as well under light conditions. We quantitative differences all anatomical parameters analyzed. The results demonstrate that high plasticity an adaptive advantage allows occur diverse
In the Amazonian floodplains plants withstand annual periods of flooding which can last 7 months. Under these conditions seedlings remain submerged in dark for long since light penetration water is limited. Himatanthus sucuuba a tree species found 'várzea' (VZ) and adjacent non-flooded 'terra-firme' (TF) forests. Biochemical traits enhance flood tolerance colonization success H. periodically flooded environments were investigated. Storage carbohydrates seeds VZ TF populations extracted...
Savannas are characterized by sparsely distributed woody species within a continuous herbaceous cover, composed mainly grasses and small eudicot herbs. This vegetation structure is variable across the landscape, with shifts from open grassland to savanna woodland determined factors that control tree density. These often appear coupled environmental variations, such as topographic gradients. Here we investigated whether differ in their use of soil water along gradient about 110 m, spanning...
Abstract. The seasonal climate drivers of the carbon cycle in tropical forests remain poorly known, although these account for more assimilation and storage than any other terrestrial ecosystem. Based on a unique combination pan-tropical data sets from 89 experimental sites (68 include aboveground wood productivity measurements 35 litter measurements), their associate canopy photosynthetic capacity (enhanced vegetation index, EVI) climate, we ask how allocation are related to seasonality...