Multivariate assessment of riverine water quality in the Ouémé Delta (Benin): ecological suitability and adaptive monitoring design. - Djihouessi MB; Tigo BA; Socohou AA; Hekpazo RCM; Okpeitcha OV; Mahunon SER; Aina MP; Youssouf A; Mama D (Environmental monitoring and assessment, 2026)