Metabolic characteristics and community diversities of airborne microbes at different functional regions in Qingdao in winter Applications of stable isotope techniques in aquatic ecological studies A NEW SPECIES OF CAREX FROM SHANDONG Using Bryophytes as Biomonitor Atmospheric Heavy Metal Deposition in the City of Qingdao Evaluation and optimization of woodland ecological patterns for Qingdao based on the agent-based model A STUDY ON THE RAPTOR MIGRATION HABITS IN THE EASTERN COAST OF CHINA Environment purification service value of urban green space ecosystem in Qingdao City Annual quantitative distribution of meiofauna in relation to sediment environment in Qingdao Bay Effect of fertilization on yield, net income and soil environment in Qingdao protected vegetable production systems