Estuarine pollution imposes rapid, increasing and lasting environmental modifications. In the
present review, especial attention is given to estuaries in South America (SA), where …

South America possesses a variety of estuaries along both tropical and temperate coastal
regions, with most of these systems facing uncontrolled urban settlement and industrial …

Excessive phosphorus emissions by anthropogenic activities are closely related to
eutrophication in the Yangtze River. Quantitative spatial distribution of total phosphorus (TP) …

The increased input of anthropogenic phosphorus to watershed ecosystems has caused
eutrophication in the Yangtze River. Identifying total phosphorus (TP) sources is important …

This study aims to assess the water quality and trophic state of the Parnaíba River Delta, in
the Brazilian northeast, under different hydrological conditions. Surface water samples were …

The Earth is warming, ecosystems are being overexploited, oceans are being polluted, and
thousands of species are going extinct—all fueled by the need for a permanent increase in …

In this study, we sampled for the first time the main channel of the Parnaíba Delta, the largest
open sea delta in the Americas, and two of its secondary channels, during the rainy season …

Land use and land cover changes (LULCC) are a global environmental issue that has
impacted biogeochemical cycles worldwide. Sedimentary records can demonstrate the …

This work reviews the limnology of the largest multi-use reservoir in NE Brazil, the
Castanhão Reservoir in Ceará State, during 5 years of an extended drought when the …

Shrimp farms cause environmental impacts in coastal ecosystems, compromising water
quality by discharging effluents rich in nutrients and organic matter. The impacts of shrimp …