Organonitrogen pesticides in Beibu gulf seawater: spatiotemporal distribution, key influencing factors, sources, and ecological risks.
Organonitrogen pesticides (ONPs) are widely used in agriculture and can enter the ocean via surface runoff, posing potential threats to marine ecosystems. This study systematically investigated the occurrence and spatiotemporal distribution of 49 ONPs in seawater of the Beibu gulf, China, examined their key influencing...