Figure 3. Mean annual variations in Total Phosphorus concentrations at Nb-5

From

Major Nutrients and Their Stoichiometry over 45 Years (May 1963-May 2008) at the Northern and Southern Basin of Lake Biwa, Japan

Asheesh Shrivastava

World Journal of Environmental Engineering. 2014, 2(1), 6-11 doi:10.12691/wjee-2-1-2