At the end of the 18th and the beginning of the 19th centuries the pastures were impoverished, at many places destroying the natural vegetation cover and at many places causing movement of the sand that seriously endangered the town, too.
At the end of the 18th and the beginning of the 19th centuries, the pastures had become impoverished. Overgrazing by cattle had destroyed the natural vegetation cover; the movement of sand seriously endangered the town, too.