Relação entre a precipitação anual e o incremento em volume de árvores amostradas em plantações de Pinus taeda

This work was based on a complete tree stem analysis to assess the growth behavior and current annual volume increment (CAI) of four individuals of Pinus taeda sampled in populations located in the 'Avare II' State Forest and 'Itapeva' Experimental Station, State of São Paulo. The relationship between the rainfall time series and CAI index was examined by means of cross-correlation coefficients. The convergence coefficients (GL) between the series were calculated. In the individuals that showed a statistical significance in the cross-correlation between the time series, the previous year's rainfall significantly affected the current annual volume increment in the year under consideration. The GL values between the series were higher in 'Itapeva'. Since the two sites showed no significant difference in rainfall distribution, the difference was attributed to the soil texture at 40-60 cm - medium in 'Avare' and clayey in 'Itapeva', so the CAI of the 'Itapeva' plantation reflects the higher availability of water.

Anatomia comparada do lenho de Tabebuia aurea (Bignoniaceae) e Tocoyena formosa (Rubiaceae) que ocorrem no cerrado e na caatinga

Pós-graduação em Ciências Biológicas (Botânica) - IBB

Variabilidade genética e variação das regiões heterocromáticas em linhagens de Triatoma infestans (Heteroptera : Reduviidae)

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Variabilidade genética e seleção de progênies de Eucalyptus Benthamii maiden et cambage

Pós-graduação em Ciência Florestal - FCA

Variabilidade fenótipica e interação com polinizadores ao longo de um gradiente latitudinal em Zeyheria montana Mart. (Bignoniaceae)

Pós-graduação em Ciências Biológicas (Botânica) - IBB

Emprego de imageamento passivo na análise da variabilidade espacial da turbidez no espelho d'água do Lago Paranoá, Distrito Federal

The water has an important role in human society, especially in Brazil. Its uses are multiple, including supply, energy production, recreation and others. The National Policy for Water Resources (Law No 9.433/97) states in its articles the importance of water use in accordance to their multiple uses, prioritizing the supply for humans and animals. In this approach, it is important to consider the physical and chemical quality of water to meet these demands, scope of the legal framework applied to the Brazilian water bodies according to their main uses, in order to guarantee the water quality compatible with the most demanding uses and to reduce the costs of pollution control through ongoing preventive actions. Among the various parameters that seek to analyze the physical and chemical quality of water it is intended to understand the spatial distribution of turbidity in the lake's surface, since the variation of the components that alter this parameter can be detected by means of passive remote sensing. The application of the Linear spectral mixture model allowed, satisfactorily, the identification of turbidity spatial distribution patterns in the lake.

Variabilidade espacial de atributos físicos de solos antropogênico e não antropogênico na região de Manicoré, AM

Better knowledge of the anthropogenic soils can help create future scenarios for the Amazon region through information that supports the sustainable planning. The aim of this study was to evaluate the spatial variability of soil physical anthropogenic and not anthropogenic in the region of Manipur, AM. In the study area we selected two, one with no anthropogenic soils (native forest) and another with anthropogenic soils (black earth archaeological). In each area, we established a grid measuring 70 x 70 m and the soils were sampled at the points of intersection of the grid with regular spacing of 10 by 10 feet, making a total of 64 sampling points in each landscape. Soil samples were collected at a depth from 0.0 to 0.10 I did the analyzes physical (texture, bulk density, macroporosity, microporososidade, porosity and aggregate stability). Then, the data were subjected to descriptive statistics and geostatistics. It was found that the anthropogenic and non-anthropogenic soils showed different behaviors in relation ace their spatial structures. The spatial variability that prevailed in anthropogenic and non-anthropogenic soil was moderate and weak indicating that these soils are strongly linked to changes in the soil by extrinsic factors. The soil was observed anthropogenic best results for total porosity, microporosity and bulk density, showing superior characteristics compared for agronomic soil not anthropogenic. And the range of values found in the above two areas were used in the mesh, showing greater spatial continuity in these environments.

Precipitação e aporte de nutrientes em diferentes estádios sucessionais de Floresta Atlântica, Pinheiral - RJ

Forest cover has importance within the context of the water balance of a particular site and may alter the mechanism of entry of water and nutrients to the soil surface. The aim of this study was to quantify the net precipitation, interception, addition of nutrients in throughfall and stem flow in a forest in different stages of regeneration of Mata Atlantica: early-stage secondary forest (ESSF), intermediary stage secondary forest (ISSF) and advanced stage secondary forest (AESF). The study was conducted in Pinheiral, Rio de Janeiro state. The data collection was performed during the period of April 2009 to March 2010. The values of incident precipitation, effective precipitation and interception were similar among the three stages evaluated. The AESF area showed higher values of Mg and P in the addition of nutrients from throughfall compared with other areas assessed. The pH of the precipitation incident did not differ among areas, but was higher than the pH of rainfall. The three areas evaluated showed no difference in the addition of nutrients to flow through the trunk. The AESF area showed a trend of higher levels of addition of nutrients from throughfall precipitation and runoff from stemflow.

Variabilidade genética e estruturação populacional do Bicudinho-do-brejo-paulista, Formicivora paludicola (aves: Thamnophilidae): uma espécie criticamente ameaçada do estado de São Paulo

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Avaliação do tipo de procedimento odontológico, cirurgia x dentística restauradora, na variabilidade do tempo de duração de dois anestésicos: bupivacaína x prilocaína

Pós-graduação em Odontologia - ICT

Estigma social e as famílias de doentes com tuberculose: um estudo a partir das análises de agrupamento e de correspondência múltipla

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Erosividade da chuva: distribuição e correlação com a precipitação pluviométrica de Teodoro Sampaio (SP)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Variabilidade espacial de atributos de solos coesos do leste maranhense

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Variabilidade da frequencia cardíaca em fase crônica de lesão cerebrovascular

The stroke, cause of morbidity and mortality, has been associated with imbalance in the neural control of the heart, which contributes to the decrease in heart rate variability (HRV) and a prognostic factor for cardiacevents and arrhythmias. The aim of this study was to in investigate the autonomic modulation of heart rate of men suffering from lesions stroke in chronicphase. Eight menaged 58.62 ± 2.88 years, 27.41 ± 5.33 kg/m2of bodymass índex, with paresis for at least six months were studied. Heart rate (HR) and RR intervals (iR-R) were recorded at rest in supine position for 10 minutes. Geometric índices of the Poincaré plot were calculated: SD1, associatedwith vagal activity; SD2, associated with global activity but sympathetic predominance, and the relationship of both (SD1/SD2). Geometric index values in the sample: SD1 = 20,54 ± 9,90ms; SD2 = 36,80 ± 30,61ms; SD1/SD2 = 0,49 ± 0,04. The reference values from literature for healthy subjects are: SD1 = 19.6 ± 9.4ms e 22.8 ± 16.1 ms; SD2 = 43.2 ± 17.7 ms e 56.3 ± 12.3 ms; SD1/SD2 = 0.49 ± 0.21ms. Men in chronic phase of stroke haven't autonomic dysfunction analyzed by nonlinear method – Poincaré geometricíndices.

Síndrome de Cornélia de Lange: relato de dois casos com variabilidade clínica

O objetivo deste trabalho é relatar dois casos de pacientes com síndrome de Cornelia de Lange, comparando seus quadros clínicos com os achados da literatura e ressaltando a variabilidade fenotípica existente que, eventualmente, pode dificultar o diagnóstico. São apresentados os relatos de dois pacientes com a síndrome. No primeiro caso a criança tem um quadro típico clássico, enquanto a segunda apresenta uma forma moderada da síndrome. O diagnóstico da síndrome de Cornelia de Lange é eminentemente clínico. A despeito de três genes terem sido identificados como possíveis causadores dessa síndrome, exames moleculares para confirmação diagnóstica não estão disponíveis na prática médica cotidiana e, mesmo quando factíveis, podem não confirmar uma suspeita clínica. Neste artigo se discutem as distintas apresentações fenotípicas da síndrome e os critérios clínicos mínimos necessários para confirmação diagnóstica.