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Abstract-Intertidal zone is a significant wetland between land and ocean. It plays an important rolein maintaining local ecological balance. Both Mai Po and Futian intertidal mudflats are located in Shen-zhen Bay and are important “refueling” point along the East Asian/Australian flyway of migratory birds.The environmental quality of Mai Po and Futian mudflats have aroused great concern due to rapid eco-nomic developments in Hong Kong and Shenzhen in recent decades. Microinfauna of Mai Po and Futianmudflats was investigated in December 2000 and the faunal data were used to assess their environmentalquality. Two other mudflats, namely Ma Wan Typhoon Shelter (a more disturbed area) and Luk Kengintertidal mudflat (a place with relatively less human disturbance), were also sampled for macroinfaunaand used as reference mudflats. Shannon-Weaver species diversity index (I_(sd)), biotic coefficient (C_b)and macrofaunal pollution index (I_(mp)) of the macrofauna community on four intertidal mudflats wereused to
Abstract-Intertidal zone is a significant wetland between land and ocean. It plays an important rolein maintain local ecological balance. Both Mai Po and Futian intertidal mudflats are located in Shen-zhen Bay and are important “refueling ” point along the East Asian / Australian flyway of migratory birds.The environmental quality of Mai Po and Futian mudflats have aroused great concern due to rapid eco-nomic developments in Hong Kong and Shenzhen in recent decades. Microinfauna of Mai Po and Futianmudflats was investigated in December 2000 and the faunal two other mudflats, both Ma Wan Typhoon Shelter (a more disturbed area) and Luk Kengintertidal mudflat (a place with more less human disturbance), also also sampled for macroinfauna and used as reference mudflats. Shannon-Weaver species diversity index (I_ (sd)), biotic coefficient (C_b) and macrofaunal pollution index (I_ (mp)) of the macrofauna community on four intertidal m udflats wereused to