Bioassessment of surface waters is one of the most important approaches to predict the
deterioration of ecosystems and achieve environmental sustainability according to the …

Diatoms have been widely used to detect changes in streams and rivers water quality due to
their specific sensibility to a variety of ecological conditions. Their tolerances and …

This research aimed at developing the Trophic Water Quality Index (TWQI) for subtropical
temperate Brazilian lotic systems based on a review of the indicative values of diatom …

The contemporaneous effect of natural and anthropogenic factors involved in a watershed
contribution to the seasonal and spatial variation of diatom community composition is widely …

The use of borrowed indices to assess stream health has limitations and research suggests
a need to develop more reliable regionally based indices that are sensitive to the …

Résumé Epilithic diatom communities are particularly suitable for the evaluation of
freshwater quality. In Ecuador, however, no water quality index includes this biotic …

Abstract In the Basin of Mexico, one of the most important economic regions in the country
with over 22 million inhabitants, peri-urban streams have been transformed into sewers …

Phyton merupa an salah satu omunitas biota yang dapat beradaptasi dan ber embang
dengan bai di sungai, memili i sifat hidup menempel dengan eberadaan relatif menetap di …

The Gravataí river situated in the metropolitan region of Porto Alegre has an area of
approximately 2.020 km² and provides public water supply to about 500,000 inhabitants in 5 …

Aiming to study the flora of epilithic diatoms of the Pardinho River, southern Brazil, we
collected samples of epilithic diatoms in five sampling stations along the river during an …