Search Results - "Marenco, R. A."

Mesophyll conductance variations in response to diurnal environmental factors in Myrcia paivae and Minquartia guianensis in Central Amazonia by Nascimento, H. C. S, Marenco, R. A

“…Mesophyll conductance (g ₘ) is essential to determine accurate physiological parameters used to model photosynthesis in forest ecosystems. This study aimed to…”
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Leaf gas exchange and carbohydrates in tropical trees differing in successional status in two light environments in central Amazonia by Marenco, R A, de C Gonçalves, J F, Vieira, G

“…Monoculture and mixed stands of mahogany (Swietenia macrophylla King) and tonka bean (Dipteryx odorata Willd.) trees were established on degraded land in…”
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Leaf trait plasticity in six forest tree species of central Amazonia by Marenco, R. A., Camargo, M. A. B., Antezana-Vera, S. A., Oliveira, M. F.

“…Tropical rainforest trees adjust leaf traits during ontogeny to cope with changes in the physical environment and maximize their carbon uptake. The aim of this…”
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Photoinhibition of photosynthesis in Minquartia guianensis and Swietenia macrophylla inferred by monitoring the initial fluorescence by Dias, D. P., Marenco, R. A.

“…We assessed the effect of the exposure to full sunlight (5, 35, and 120 min, i.e. T5, T35, and T120) on fluorescence parameters of two young tropical trees,…”
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ORTHOGONAL EFFECTS OF MICROMETEOROLOGICAL VARIABLES ON TWO AMAZONIAN SPECIES OF CONTRASTING GROWTH RATES by Camargo, MAB, Marenco, RA

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ORTHOGONAL EFFECTS OF MICROMETEOROLOGICAL VARIABLES ON TWO AMAZONIAN SPECIES OF CONTRASTING GROWTH RATES by Camargo, MAB, Marenco, RA

“…Intra-annual micrometeorological variability leads to a mild dry season in the central Amazon, but how rainfall seasonality affects tree growth is still…”
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Growth and physiological changes in saplings of Minquartia guianensis and Swietenia macrophylla during acclimation to full sunlight by Azevedo, G. F. C, Marenco, R. A

“…Low light availability under a forest canopy often limits plant growth; however, sudden increase in light intensity may induce photoinhibition of…”
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Stomatal conductance in Amazonian tree saplings in response to variations in the physical environment by Marenco, R. A, Nascimento, H. C. S, Magalhães, N. S

“…In juvenile trees growing at the rainforest understory, light is the most limiting factor for growth. It has been assumed that stomata quickly respond to light…”
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Intra-annual tree growth responds to micrometeorological variability in the central Amazon by Antezana-Vera, SA, Marenco, RA

“…Intra-annual distribution of precipitation in central Amazonia leads to a short mild dry season, which is associated with an increase in irradiance and…”
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Gas exchange, biomass allocation and water-use efficiency in response to elevated CO2 and drought in andiroba (Carapa surinamensis, Meliaceae) by Oliveira, MF, Marenco, RA

“…Prolonged droughts are predicted for some parts of the Amazon; however, it is still unclear how Amazonian trees will respond to water stress under the ongoing…”
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SPECIFIC LEAF AREA AND PHOTOSYNTHETIC PARAMETERS OF TREE SPECIES IN THE FOREST UNDERSTOREY AS A FUNCTION OF THE MICROSITE LIGHT ENVIRONMENT IN CENTRAL AMAZONIA by Marenco, R. A., Vieira, G.

“…The effect of the microsite light environment (MLE) on specific leaf area (SLA), light-saturated photosynthesis (Amax), maximum transpiration (Emax) and…”
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Photosynthesis and biomass accumulation in Carapa surinamensis (Meliaceae) in response to water stress at ambient and elevated CO2 by OLIVEIRA, M.F., MARENCO, R.A.

“…Climate models predict an increase in atmospheric CO2 concentration and prolonged droughts in some parts of the Amazon, but the effect of elevated CO2 is still…”
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Relationship between specific leaf area, leaf thickness, leaf water content and SPAD-502 readings in six Amazonian tree species by Marenco, R.A, Antezana-Vera, S.A, Nascimento, H.C.S

“…The aim of this work was to assess the effect of leaf thickness, leaf succulence (LS), specific leaf area (SLA), specific leaf mass (Ws) and leaf water content…”
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Photosynthesis and Leaf Nutrient Contents in Ochroma Pyramidale (Bombacaceae) by Marenco, R.A., de Gonçalves, J.F. C., Vieira, G.

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Is stomatal conductance of Central Amazonian saplings influenced by circadian rhythms under natural conditions? by Mendes, K. R., Marenco, R. A.

“…Stomata control CO 2 uptake and transpirational water loss, and their functioning is closely regulated by external factors, such as light, CO 2 concentration,…”
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Erratum to: Leaf trait plasticity in six forest tree species of central Amazonia by Marenco, R. A., Camargo, M. A. B., Antezana-Vera, S. A., Oliveira, M. F.

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Density, size and distribution of stomata in 35 rainforest tree species in Central Amazonia by Camargo, MAB, Marenco, R A

“…Stomata are turgor-operated valves that control water loss and CO sub(2) uptake during photosynthesis, and thereby water relation and plant biomass…”
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Tree growth, wood and bark water content of 28 Amazonian tree species in response to variations in rainfall and wood density by Dias, DP, Marenco, RA

“…Pole diameter and wood density are variables commonly used in allometric equations to estimate tree biomass and carbon stocks in tropical forests. The effect…”
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The SPAD-502 as alternative for determining chlorophyll content in fruit tree species by de Jesus, SV, Marenco, R A

“…The relationship between the absolute chlorophyll content and the relative chlorophyll content (SPAD-502 values) was determined in four fruit trees species…”
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Soil solarization for weed control in carrot by MARENCO, RICARDO ANTONIO, LUSTOSA, DENISE CASTRO

“…Soil solarization is a technique used for weed and plant disease control in regions with high levels of solar radiation. The effect of solarization (0, 3, 6,…”
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