Limnological theory posits that phosphorus (P) limits primary production in freshwater lakes, in part because fixation of atmospheric nitrogen (N2) can compensate for limitations in nitrogen (N) supply to phytoplankton. However, quantitative estimates of the degree to which N2 fixation satisfies planktonic N demand are rare.

The death of thousands of freshwater fish in the Euphrates river in Iraq was due to high levels of coliform bacteria, heavy metals and ammonia in the water, the World Health Organization (WHO) said

The Living Planet Report, WWF’s flagship publication released every two years, is a comprehensive study of trends in global biodiversity and the health of the planet.

The Save the Vaal Environment (Save) has called for someone to be held accountable and even face jail time for the sewerage that has been running into the Vaal River for years.

The Government has outlined plans which include applying ‘polluter pays principle’ as well as replenishment of River Mugara, River Mukungwa and three ponds owned by farmers in Musanze District with

Healthy freshwater ecosystems are essential for nature, for society and for economies. Yet not even half the waters in the EU are currently considered healthy.

Healthy freshwater ecosystems are essential for nature, for society and for economies. Yet not even half the waters in the EU are currently considered healthy.

Ecosystems replenish and purify water resources and need to be protected to safeguard human and environmental resilience. Ecosystem monitoring, including that of ecosystem health, highlights the need to protect and conserve ecosystems and enables policy- and decision makers to set de facto management objectives.

In this report, CHIKA OKEKE examines issues bordering on resuscitation of Lake Chad and the need for regional governments to tackle the problem headlong.

The East African wetlands are in great danger due to human activities including human settlement.

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