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Dissolved nitrogen in rivers: comparing pristine and impacted regions of Brazil
(Instituto Internacional de Ecologia, 2010)
Riverine nitrogen distribution is increasingly controlled by anthropogenic activities in their watersheds, regardless of spatial scale, climate, and geographical zone. Consequently, modelling efforts to predict the export ...
Phytoplankton assemblages in a reservoir cascade of a large tropical - subtropical river (SE, Brazil)
(Instituto Internacional de Ecologia, 2010-10-01)
As assembleias fitoplanctônicas de oito reservatórios do rio Paranapanema foram estudadas durante dois anos consecutivos. Chlorophyceae e Bacillaryophyceae foram os grupos dominantes em riqueza. O elevado número de táxons ...