In the Doubs, agricultural intensification suffers the rivers – Liberation
At the end of April, the Comtoise city of Ornans, in the Doubs, shows itself in its best light. Tourists crowd on the bridges crossing the Ruer River. The facades of the many houses on stilts, overlooked by limestone cliffs, are reflected in the river. But a few minutes of walking along the river is enough to break this idyllic setting. Alexandre Cheval, fishery guard at the Fishing Federation of the department, points the finger at a white spot at the bottom of the water. A fish corpse, a fario trout, lies on a muddy pebble. Further on, it is a common shadow, another kind of salmonid, which failed near the edge.
« In a sense, we could almost consider ourselves happy to see dead fish, because that means that there are still a little », Launches the forties, rubber boots on the feet. From the window of her house which borders it, a local resident « Here for fifty years » And « At the forefront of this carnage », challenges him. “It is often that there are lots of dead fish like that. It can be seven or eight, right there, deplore the retiree. And look at all these algae at the bottom, there are more and more. ”
« We should see the bottom and all the white stones », Acquiesce Alexandre Horse. Now the lan bed is here covered with a thick carpet of filamentous green algae. These « Colate the bottom » And « Cover the slightest place where the peas
