Photosynthetically Active Radiation
Modeling the reflection of Photosynthetically active radiation in a monodominant floodable forest in the Pantanal of Mato Grosso State using multivariate statistics and neural networks
... of radiation entrance and exit dynamics and energy consumption in a system is important for understanding the environmental processes that rule the biosphere-atmosphere interactions of all ...of ...
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Ground level photosynthetically active radiation dynamics in stands of Acacia mearnsii De Wild
... In each stand, three sampling units with a subsampling of 15 points for the assessment of Photosynthetically Active Radiation (PAR) were established, i.e. in each stand 45 subsampling points were ...
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Emerald zoyzia grass development regarding photosynthetically active radiation in different slopes
... the photosynthetically active radiation (PAR) and to correlate it with the dry matter (MMSPA) of the emerald zoysia (Zoysia japonica ...solar radiation, it was installed an automated weather ...
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Conversion Efficiency of Photosynthetically Active Radiation Into Acacia mearnsii Biomass
... in radiation as well as better ...of radiation inside the canopy, causing the lower leaves to increase the interception and use of ...better radiation use efficiency in plants that were more densely ...
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Testing arbitrary classes of light in a physiognomically heterogeneous area of “campo rupestre” vegetation
... The Brazilian “campo rupestre” vegetation shows high light heterogeneity, characteristic which is often disregarded in ecophysiological studies due the diffi cult of obtaining accurate measurements in a complex ...
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Solar radiation use effi ciency by soybean under fi eld conditions in the Amazon region
... solar radiation under natural ! eld conditions, in the Amazon region, ...The radiation use ef! ciency (RUE) was obtained from the ratio between the above-ground biomass production and the intercepted ...
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EFICIÊNCIA DO USO DA RADIAÇÃO SOLAR DE ERVA-MATE EM CULTIVO CONSORCIADO E SOLTEIRO PARA O ACÚMULO DE CARBONO
... solar radiation due to the interception of this climatic element by the plants of the superior extract (in this case the pinus), considering that when reaching the top of the population of the highest ...The ...
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The flux of carbonyl sulfide and carbon disulfide between the atmosphere and a spruce forest
... ratory results (Kluczewski et al., 1983, 1985; Taylor et al., 1983; Goldan et al., 1988; Fried et al., 1993; Kesselmeier and Merk, 1993). However, it is not generally supported by field studies. While some in-situ ...
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Abstract - The objective of this study was to evaluate gas exchange and production of Maçã
... solar radiation incident on the leaf would be verified (DONATO et ...of photosynthetically active radiation occur during spring on Northeast and Center-West regions, and during the summer, in ...
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Seed Reserves Partition and Light Compensation Point of Mahogany (Swietenia macrophylla King) Seedlings Growth Under Low Photosynthetic Active Radiation
... At the first harvest, no statistical differences between the treatments were verified in the dry mass of seedlings and seed reserves (Table 1). During the experimental period there was no difference in the dry mass of ...
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Metabolic responses and β-carotene production by the unicellular green alga Dunaliella salina exposed to leaf extracts
... No difference in the fresh weight of cells was observed between time zero and 48 h in leaf extracts-free cultures (control) (Fig. 2C). However, the fresh weight of cells exposed to leaf extracts was significantly higher ...
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Spatial distribution analysis of Dicksonia sellowiana Hook. in Araucaria forest fragments with different sizes
... sellowiana ; (2) to verify the relation of the structure of the populations with soil moisture, litter, temperature, photosynthetically active radiation (PAR) and canopy opening; (3) [r] ...
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Revista Brasileira de Zootecnia
... with photosynthetically active radiation Onset sensors of silicon cell placed within the foliage, similarly to the Onset thermistor sensors that measure air and soil ...
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Growth of tree species and sugarcane production in agroforestry systems
... less photosynthetically active radiation in its understory was available for the sugarcane (Figure ...of photosynthetically active radiation and resulted in a reduction of 50% ...
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Partitioning of the diffuse attenuation coefficient for photosynthetically available irradiance in a deep dendritic tropical lake
... of photosynthetically active radiation (PAR) (between 10:00 and 14:00) were performed using a radiometer (BIC Biospherical ...collecting radiation data PAR and depth during descent and ascent ...
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Acclimation of Red Sea macroalgae to solar radiation: photosynthesis and thallus absorptance
... of photosynthetically active radiation (PAR) and UVR (Stambler 2005); neverthe- less, the effect of UVR on macroalgal photosynthesis in the Red Sea has never been ...
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José Luiz de Andrade Rezende Pereira
... photosynthetically active radiation efficiency. Therefore, plant density in soybean cultivation is an important management tool in order to maximize grain yield, thereby reducing production costs. In ...
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PALAVRAS-CHAVE: Capsicum annuum L., sombreamento, radiação fotossinteticamente ativa,
... solar radiation, photosynthetically active radiation, air temperature and relative humidity by sensors attached to dataloggers (Spectrum ® , Series ...solar radiation (SR) and ...
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Microclimate under different shading screens in greenhouses cultivated with bromeliads
... solar radiation (Rg - model CM3, Kipp & Zonen) and another (NR-lite model, Kipp & Zonen) for net radiation ...the photosynthetically active radiation (PAR), a Licor ...
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Rev. Assoc. Med. Bras. vol.61 número2
... Radiotherapy has evolved in recent decades thanks to the advances of computer systems that allow the recogni- tion of internal body structures. Such recognition is per- formed by imaging tests on the patient, generally ...
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