Citizen‐participatory nationwide survey of mountain streamwater chemistry in Japan in 2022: Comparison of nitrate concentrations with the 2003 survey. - Makino, Soyoka; Tokuchi, Naoko; Akaishi, Daisuke; Koyama, Lina A.; Komai, Yukio; Itaya, Yoshimi; Maung, Nay Lin; Ishimaru, Kanae; Oda, Tomoki; Shibata, Rei; Numamoto, Shinya (Ecological Research, 2025)