Dongoran, K.Z. and Nyompa, A.H. 2025. Analysis of primary productivity and phytoplankton abundance across coastal ecosystems: Implications for sustainable aquaculture and ecosystem management. Journal of Earth Kingdom. 2, 2 (Jan. 2025), 129–145. DOI:https://doi.org/10.61511/jek.v2i2.2025.1497.