TY CONF TI EVALUATION OF MOUNTAIN AREA AS NON-POINT SOURCE OF NITROGEN FOR SETO INLAND SEA: THE NORTHERN SHIKOKU REGION, JAPAN KW Mountain Stream KW Nitrate Nitrogen KW Non-Point Source JO XXVI International Shore Conference "Managing risks to coastal regions and communities in a changing world" AU Morisawa, S.. AU Komai, Y.. AU Kunimatsu, T.. PY 2024 PB Academus Publishing