The distribution of phytoplankton size and major influencing factors in the surface waters near the northern end of the Antarctic Peninsula

作     者：Lu Liu Mingzhu Fu Kaiming Sun Qinzeng Xu Zongjun Xu Xuelei Zhang Zongling Wang Lu Liu;Mingzhu Fu;Kaiming Sun;Qinzeng Xu;Zongjun Xu;Xuelei Zhang;Zongling Wang

作者机构：College of Environmental Science and EngineeringOcean University of ChinaQingdao 266100China Key Laboratory of Marine Eco-environmental Science and Technology of Ministry of Natural ResourcesFirst Institute of OceanographyQingdao 266061China Pilot National Laboratory for Marine Science and Technology(Qingdao)Qingdao 266237China 

出 版 物：《Acta Oceanologica Sinica》 (海洋学报（英文版）)

年 卷 期：2021年第40卷第6期

页      面：92-99页

核心收录：

学科分类：07[理学] 0713[理学-生态学] 

基　　金：The Foundation of China Ocean Mineral Resources R&D Association under contract No.DY135-E2-4 the Basic Scientific Fund for National Public Research Institutes of China under contract Nos 2018Q09,2018S02 the National Natural Science Foundation of China under contract Nos 41706190,41876231 

主　　题：Antarctic Peninsula phytoplankton size flow cytometry Chl a microscopy 

摘      要：The waters near the Antarctic Peninsula have always been a study hot spot because of their variable and unique oceanographic *** determine the distribution and possible influencing factors on phytoplankton size and abundance near the Antarctic Peninsula,a large-scale survey was conducted during the austral summer *** were collected in 27 stations located in the Drake Passage(DP),South Shetland Islands(SSI),and South Orkney Islands(SOI).Phytoplankton communities were described using chlorophyll a(Chl a),flow cytometry and light microscopy to cover a size range from pico-to ***,especially small nanophytoplankton(2-6μm)with abundance ranging from 0.66×10^(3) cells/mL to 8.46×10^(3) cells/mL,was predominant throughout the study *** different regions,there was an obvious size *** proportion of picophytoplankton near the Elephant Island(EI)and DP was higher than other regions,and larger cells were found mainly in east of *** distribution of phytoplankton abundance detected by flow cytometry was not completely consistent with Chl a concentrations due to the contribution of larger cells to Chl *** influencing factors on the phytoplankton size distribution were *** properties of water masses such as temperature and salinity can influence the phytoplankton size *** analysis revealed that only picophytoplankton is significantly correlated with *** and Fe availability might affect phytoplankton abundance and size distribution especially near the waters of SSI and EI in this *** was also speculated that the abundance of cryptophytes is possibly related to ice melting.