Foreword to Series from Chinese Ecosystem Research Network Sun Hong Lie Preface Dong Jinhai Part Ⅰ OVERVIEW Introduction to Ecology of Jiaozhou Bay Dong Jinhai and Jiao Nianzhi Part Ⅱ STUDIES ON ENVIRONMENTAL CONDITIONS OF JIAOZHOU BAY ECOSYSTEM The Climate Around Jiaozhou Bay Zhao Yongping,Chen Yongli and Lin Zixin Measurement and Analysis of the Gradients of Wind Speed and Temperature over Jiaozhou Bay in Summer Chen Yongli and Zhao Yongping The Influcence of Jiaozhou Bay’s Deposition and Sea-level Changes on the Coastal Environment and Its Countermeasures Zhang Minghan Determination of Dimethyl Sulfide in Seawater Wang Yonghua and Jiao Nianzhi The Carbon Dioxide System in Jiaozhou Bay Seawaters Shen Zhiliang,Liu Mingxing and Li Guoji The Variations of Nutrients in Jiaozhou Bay Shen Zhiliang A Modified Method for Determination of Particulate Organic Carbon(POC)and Particulate Nitrogen(PN)in Seawater Yang Heming and Liu Qun Distribution and Variation of Particulate Organic Carbon(POC)and Particulate Nitrogen(PN)in Seawater of Jiaozhou Bay Yang Heming and Liu Qun A Study on COD Dynamics in Jiaozhou Bay Zhang Shumei Characteristic of Marine Biological Sounds in Jiaozhou Bay and Near Coastal Water Qi Meng’e,Tang Haobin,Xu Lanying Zhu Jianping,Chen Minghua and Song Zhengxiu A Pollution Analysis of the Effect of the Accident Oilspill on the Water Environment in Jiaozhou Bay Wu Yongcheng,Weng Xuechuan and Yang Yuling The Investigation of the Sea-water on Sanitary Quality over Some Bathing-beaches in Qingdao Qian Zhenru and Zhang Jingyong Part Ⅲ STUDIES ON LIVING RESOURCES AND ECOLOGICAL PROCESSES IN JIAOZHOU BAY Thalassiosira(Bacillariophyta):Four New Records in China Gao Yahui and Jiao Nianzhi Ecological Studies on Nanoplanktonic Diatoms in Jiaozhou Bay,China Jiao Nianzhi and Gao Yahui Light-dependences of Size-Fractionated Photosynthesis and PDOC Release by Natural Phytoplankton AssemBlages Jiao Nianzhi and Wang Rong Bacterial Secondary Production in Jiaozhou Bay Jiao Nianzhi and Xiao Tian Quantitative Distribution of Cyanobacteria and Heterofrophic Bacteria in Jiaozhou Bay Xiao Tian,Jiao Nianzhi and Wang Rong Primary Production and New Production in Jiaozhou Bay Wang Rong,Jiao Nianzhi,Li Chaolun,Ji Peng and Shen Zhiliang Distributional Characteristics of Chlorophyll-a and Primary Productivity in Jiaozhou Bay Wu Yulin and Zhang Yongshan Abundance and Distribution of Zooplankton in Jiaozhou Bay Gao Shangwu and Wang Ke A Study on Biomass and Density of the Macrobenthic Infauna in Jiaozhou Bay Sun Daoyuan,Zhang Baolin and Wu Yuequan Survival rate and Optimum size of Juveniles of Hatchery-reared Flounder Paralichthys olivaceus(T.et S.)Released in Jiaozhou Bay Wang Xincheng,Ma Daoyuan,Wu Hezhou,Ruan Hongchao,Zhu Xinhua and Cheng Guisha The Effects of Sound on Sparus Macrocephalus Behavior Qi Meng’e,Zhu Jianping,Song Zhengxiu Chen Minghua,Xu Lanying and Tang Haobin Part Ⅳ SOME PROGRESSES IN MARINE ECOLOGY STUDY Prochlorococcus-A New Study Field of Marine Ecology Jiao Nianzhi and Chen Nianhong Application of Bioenergetics Models to Population Ecology of Marine Fishes Zhu Xinhua Flow Cytometry and Its Application to the Study of picoplankton Chen Nianhong and Jiao Nianzhi