Today, water jousters still take the sport seriously in rivers and canals throughout France.
Several irrigation channels have dried up, while extra sediment in rivers has killed trout.
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The Orthodoxies celebrate it as the day of John the Baptist, when believers bathe in rivers and lakes.
Farmers in the Jiaxing area of Zhejiang province, upstream from Shanghai, have denied dumping the pigs in rivers.
BBC: China pig deaths: Toll from Shanghai rivers nears 14,000
The degradation of water quality in rivers, streams, lakes, and groundwater systems has a direct impact on ecosystems and human health.
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Engineers have completed work on a project to improve the quality of water in rivers near Penrith in Cumbria.
It also reiterated its advice to always avoid swimming in rivers and canals unless it is an organised event.
Water levels in rivers are low, with the result that hydroelectric plants are generating about a fifth less electricity than normal.
The bacterium, Shewanella oneidensis, occurred globally in rivers and seas, he said.
Where stones are scattered in rivers and shallow soil, as in Sierra Leone or Angola, armed rivals are likelier to scrap over them.
Similarly, a heatwave which leads to swimming in rivers and drownings, a cold front which leads to a larger than usual number of half frozen people.
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Local authorities also say they have found no links between cases of H7N9 and over 16, 000 dead pigs found in rivers near Shanghai, China Daily reports.
In southern states you'll find "noodlers"--men and women who submerge themselves in rivers and stick their arms into holes they believe (hope?) are occupied by golden-retriever-size catfish.
The Environment Agency says rain and melting snow are expected to lead to rising water levels in rivers in south-west England and has three flood warnings in place.
The problem is that the fish that formed the base of the hatchery brood stock used to replenish salmon in Maine's rivers came from the Penobscot River until 1992, when state officials began a river-specific stocking program that placed descendents only in rivers their stock came from.
CNN: Gene study seeks 'wildness' of Atlantic salmon - October 25 1999
Timber-cutting was blamed for a while, but most commercial tree farms have more fish in their rivers than in those of urban areas.
With torrential rain in Bangladesh and in the rivers' catchment areas in India, the annual deluge has begun.
Flood warnings that were in place along the Avon and Teme in Worcestershire and rivers in Herefordshire have been downgraded.
The report concludes that fewer adult salmon are returning to spawn and young salmon in the rivers are surviving at a lower rate than expected, even in the face of a considerable conservation effort.
Never have I been in one like I was in for Three Rivers, and I realize it's because Three Rivers is so in their wheelhouse.
The boats of both countries take fish returning to spawn in the rivers of either.
Environmental officials have recently been offered cash rewards by locals to swim in polluted rivers.
You can go snowshoeing on bogs in any season and hit the rivers in traditional dugout canoes.
The dense forest cover teems with birds and butterflies, and natural swimming holes in the rivers are not hard to find.
It would also bring enough sand for construction purposes without depleting sand in the rivers eventually killing these rivers.
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Environmental activists recently discovered an effective way of raising awareness: They offer a reward for officials willing to swim in local rivers.
Some terrifyingly large beasts hang out in the rivers, creeks and lakes.
Epiphany, celebrated in January, helps wash sins away - in icy rivers and lakes - but not before another healthy dose of fortunetelling.
The argument is that instead of pumping the substances back into emptied wells, Texaco dumped them in local rivers or directly into landfills.
Deep in the jungle of southern Burma (Myanmar) live 40, 000 villagers who tend to maize and rice farms, raise livestock and fish in the rivers.
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