Recreation areas have primary environmental contact matrices (water and sand) with the population and therefore need to be monitored periodically,dueto to the risks to human and animal health posed by the potencial presence of pathogenic microorganisms. The purpose of this work was to recommend methods which can be used in the investigation of bioindicators of importance in the area of environm...

In order to determine the willingness of the population of São Carlos (a city in the state of São Paulo, Brazil) to pay for the environmental protection (WTP) of the Feijão River's watershed, the Contingent Valuation Method (CVM), as well as the bidding-games technique, were used. In October 2010, 280 questionnaires were applied to a probabilistic sample of the population. A multivariate logist...

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We examine the influence of using a restart mechanism on stationary distributions particular class Markov chains. Namely, we consider family multivariate autoregressive stochastic sequences that when hit neighbourhood origin, and study their distributional limits coefficient tends to one, noise scaling parameter zero, size varies. show may change significantly limiting distribution. obtain limi...

The purpose of the study was to investigate the mineralogical and Heavy Metals (HMs) present in the granite mining soils in Chimakurthy, India. The mineral exploration of mining soils were identified by X-Ray Diffractometer (XRD) pattern analysis. However, the morphological features and quantitative HMs were detected by Scanning Electron Microscopy/Energy Dispersed Spectroscopy (SEM/...