Examinei os efeitos da degradação antrópica sobre diferentes aspectos da diversidade de espécies e interações entre plantas da família Asteraceae e os insetos herbívoros cujas larvas se alimentam no interior de seus capítulos. Toda a amostragem de campo foi realizada em vinte áreas de cerrado com diferentes níveis de degradação antrópica em três municípios vizinhos do estado de São Paulo. A densidade de gramíne...
I investigated the flowering phenology of an important weed in its native habitat, in order to ask if plant phenological parameters, such as onset, end, duration and flowering synchrony, were spatially structured and if so, what are the possible consequences of such structure for plant seed production. Plants were spatially aggregated, at the leveI of both species and genus. I found spatial autocorrelation in s...
OBJECTIVE: This study evaluates a new technique of an extracardiac conduit in total cavopulmonary connection in complex congenital heart disease. METHODS: Between May 2000 and October 2002, 18 extracardiac conduit surgeries were performed. The patients' weights ranged from 11 to 29 kilograms, the ages ranged from 1 to 12 years old and 10 patients were male. There were eight patients with tricuspid atresia, eigh...
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