Buscar
Mostrando ítems 1-10 de 1146
Assessment of fish farming effects on aquatic systems in Assis and Candido Mota, Sao Paulo, by using a water quality index and multivariate statistical analysis
(Soc Brasileira Quimica, 2007-01-01)
In this work, the impact of fish farming activities on the Queixada, Macuco and Pari-Veado Rivers in the Paranapanema watershed was evaluated. Physical, chemical and microbiological parameters were quantified in these ...
Multivariate analysis to research innovation complementarities
(Taylor & Francis, 2017-10)
It is widely recognized that orthodox economics is obsessed with econometrics tools. However, econometrics techniques have a limited capacity to deal with qualitative variables coming from surveys. This paper presents a ...
Water quality assessment using multivariate statistical techniques in Río Tercero Reservoir, Argentina
(Nordic Association for Hydrology, 2015-06)
Water quality monitoring programs generate complex multidimensional data sets. In this study, multivariate statistical techniques were employed as an effective tool for the analysis and interpretation of these water quality ...
Assessment of anthropogenic pollution using multiple hydrogeochemical tools and statistical analysis in rural plain basins of the Argentinian Pampean Plain
(John Wiley & Sons Ltd, 2021-04)
Chemistry of surface water and groundwater can beconditioned by geology, anthropic influence, and exchange of flow between them.The Pampean Plain located in Argentina has gaining streams and mainly ruralactivities. An ...
Multivariate statistical analysis of morpho-anatomical data of nine sect. Caulopterae species (Baccharis – Asteraceae) used in folk medicine
(Elsevier, 2018-07)
Baccharis species belonging to sect. Caulopterae are difficult to identify. Most countries are controlling the quality of herbal medicines destined for the internal market or export. “Carquejas” are used arbitrarily for ...