Estuarine microplastics under megacity pressure: methodological fragmentation, ecological exposure and management priorities in Can Gio Mangroves
Microplastic (MP) pollution in tropical mangroves is an emerging environmental concern, yet the mechanisms governing particle retention, remobilization, and ecological exposure remain poorly understood. This critical review synthesizes current evidence from the Can Gio Mangrove Biosphere Reserve (Vietnam) using a three-tiered evidence hierarchy to distinguish local observations, contextual evidence, and testable hypotheses. Existing studies reveal severe methodological fragmentation, including…