Moreover, a decreasing trend along the river course toward the Łękno Lake has been observed, until the value reached 0.2 μg/L at the river outflow to the lake (sub-basin 62).
1
—
—
Moreover, a decreasing trend along the river course toward the Łękno Lake has been observed, until the value reached 0.2 μg/L at the river outflow to the lake (sub-basin 62).