The phosphorus cycle in the Sanggou Bay
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The phosphorus cycle in the Sanggou Bay XU Wenqi1, 2, LI Ruihuan1, 2, LIU Sumei1, 2*, NING Zhiming1, 2, JIANG Zengjie3 1 Key Laboratory of Ministry of Education for Marine Chemistry Theory and Technology, Ocean University of China/
Qingdao Collaborative Innovation Center of Marine Science and Technology, Qingdao 266100, China 2 Laboratory of Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and
Technology, Qingdao 266100, China 3 Department of Mariculture Ecology and Carrying Capacity Laboratory, Yellow Sea Fisheries Research Institute,
Chinese Academy of Fishery Sciences, Qingdao 266100, China Received 22 November 2015; accepted 18 May 2016 ©The Chinese Society of Oceanography and Springer-Verlag Berlin Heidelberg 2017
Abstract
The phosphorus cycle is studied during 2013–2014 in the Sanggou Bay (SGB), which is a typical aquaculture area in northern China. The forms of measured phosphorus include dissolved inorganic phosphorus (DIP), dissolved organic phosphorus (DOP), particulate inorganic phosphorus (PIP), and particulate organic phosphorus (POP). DIP and PIP are the major forms of total dissolved phosphorus (TDP) and total particulate phosphorus (TPP), representing 51%–75% and 53%–80%, respectively. The concentrations and distributions of phosphorus forms vary among seasons relative to aquaculture cycles, fluvial input, and hydrodynamic conditions. In autumn the concentration of DIP is significantly higher than in other seasons (P
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