《2024中国海洋生态环境状况公报》

comprehensive pollution sources

density of zooplankton

density of phytoplankton

coastal clean-up inspections

density of mangrove plants

Beautiful Bay Construction

water quality inferior to Grade IV standard

biomass of zooplankton

Luanhe River Estuary-Beidaihe

green industry-oriented bay

light eutrophication

ecological conservation-oriented bays