Timetable The Xiamen Symposium on Marine Environmental Sciences (XMAS 2025)

Timetable

Timezone：Asia/Shanghai

Day 2,Jan. 14, 2025Tuesday

S3-1	Start	End	Duration	ID
S3-1	The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry@Session 3-The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry 14 Jan 2025, 10:10-11:40 Xiamen International Conference Center 2A Meeting Room \| 2A 会议室 Session convener：Xin Sun/Carnegie Science at Stanford；Wei Qin/University of Oklahoma；Xianhui Wan/Xiamen University；Yao Zhang/Xiamen University；Yue Zheng/Xiamen University Session block convener：Xianhui Wan/Xiamen University Offline Conference Oral&Poster Session Timetable V63 Updated：01 Jan 2025, 06:58
10:10	10:40	30	1222	Nitrite oxidation and reduction dominate the nitrogen cycle of low oxygen waters Bess Ward Professor/Princeton University Oral (invited)
10:40	10:55	15	796	Global nitrogen deposition emboided in international trade Qiang Zhang Professor/Tsinghua University Oral Presentation
10:55	11:10	15	798	The marine nitrogen cycle under anthropogenic nitrogen input and climate variability Jin-Ming Tang PhD/ETH Zurich Oral Presentation
11:10	11:25	15	819	Shifting from inventory-based monitoring towards process-oriented time-series studies Qixing Ji Assistant Professor/Hong Kong University of Science and Technology (Guangzhou) Oral Presentation
11:25	11:40	15	773	Modeling NOx reduction competition to identify thresholds of inorganic nitrogen retention and loss in aquatic ecosystems Jemma Fadum Postdoctor/Carnegie Science Oral Presentation

S3-2	Start	End	Duration	ID
S3-2	The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry@Session 3-The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry 14 Jan 2025, 13:30-15:00 Xiamen International Conference Center 2A Meeting Room \| 2A 会议室 Session convener：Xin Sun/Carnegie Science at Stanford；Wei Qin/University of Oklahoma；Xianhui Wan/Xiamen University；Yao Zhang/Xiamen University；Yue Zheng/Xiamen University Session block convener：Xin Sun Postdoctoral fellow/Carnegie Science Offline Conference Oral&Poster Session Timetable V63 Updated：01 Jan 2025, 06:58
13:30	13:45	15	1621	Dissolved N2O in the Marginal Seas of the Western North Pacific: Distribution, Production and Fluxes Gui-Ling Zhang Professor/Ocean University of China Oral (invited)
13:45	14:00	15	774	Ecological dynamics and interactions govern N2O production in oxygen-minimum-zones Daniel Mccoy Postdoctor/Carnegie Science Oral Presentation
14:00	14:15	15	1622	Isotopomer Labeling and Oxygen Dependence of Hybrid Nitrous Oxide Production Colette Kelly Postdoctor/Woods Hole Oceanographic Institution Oral Presentation
14:15	14:30	15	822	The N2O source sink characteristic of the open Arctic Ocean Liyang Zhan Other/Third Institute of Oceanography Oral Presentation
14:30	14:45	15	843	Competition between diazotrophic nitrous oxide assimilation and dinitrogen fixation: The role of substrate availability Guangbo Li PhD Student/The Hong Kong University of Science and Technology Oral Presentation
14:45	15:00	15	811	Freshening of coastal wetlands weakens nitrogen removal and carbon preservation potential: The role of sulfate Ziyan Wang PhD/The Chinese University of Hong Kong Oral Presentation

S3-3	Start	End	Duration	ID
S3-3	The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry@Session 3-The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry 14 Jan 2025, 15:20-16:50 Xiamen International Conference Center 2A Meeting Room \| 2A 会议室 Session convener：Xin Sun/Carnegie Science at Stanford；Wei Qin/University of Oklahoma；Xianhui Wan/Xiamen University；Yao Zhang/Xiamen University；Yue Zheng/Xiamen University Session block convener：Xin Sun Postdoctoral fellow/Carnegie Science Offline Conference Oral&Poster Session Timetable V63 Updated：01 Jan 2025, 06:58
15:20	15:35	15	807	Impacts of ocean acidification on cyanobacterial diazotrophs Haizheng Hong Professor/Xiamen University Oral Presentation
15:35	15:50	15	829	Large uncertainty in the rate of global marine N2 fixation: A reanalysis Yangchun Xu Ph.D student/Xiamen University Oral Presentation
15:50	16:05	15	834	Autotrophic dissolved organic phosphorus uptake stimulates subtropical gyre's nitrogen fixation Yuxin Shen Master's student/Xiamen University Oral Presentation
16:05	16:20	15	985	A novel mechanism explaining the temperature dependence of marine unicellular nitrogen-fixing cyanobacteria Lixia Deng postdoc researcher/Hong Kong University of Science and Technology Oral Presentation
16:20	16:35	15	981	Heterotrophic nitrogen fixation in the South China Sea Run Zhang Professor/Xiamen University Oral Presentation
16:35	16:50	15	837	Dissolved organic nitrogen in oligotrophic oceans regulated by nitrogen fixation Jinyu Yang Dr./Xiamen University Oral Presentation

S3-P	Start	End	Duration	ID
S3-P	The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry@Session 3-The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry 14 Jan 2025, 16:50-18:30 Xiamen International Conference Center Poster Hall Session convener：Xin Sun/Carnegie Science at Stanford；Wei Qin/University of Oklahoma；Xianhui Wan/Xiamen University；Yao Zhang/Xiamen University；Yue Zheng/Xiamen University Session block convener：Xianhui Wan/Xiamen University；Xin Sun Postdoctoral fellow/Carnegie Science Offline Conference Oral&Poster Session Timetable V63 Updated：01 Jan 2025, 06:58
16:50	17:05	15	979	Effects of CO2 on the nitrogen isotopic composition of marine diazotrophic cyanobacteria Zuozhu Wen associate professor/Xiamen University Poster Presentation
17:05	17:20	15	828	Biological N2 fixation and its nutrient controls in the North Pacific Subtropical Gyre Ruotong Jiang PhD student/Xiamen University Poster Presentation
17:20	17:35	15	823	Inferring depth-integrated nitrogen fixation rates from surface measurements in global ocean Weili Chen PhD/Xiamen University Poster Presentation
17:35	17:50	15	805	The impact of vertical migration of Trichodesmium on the contradiction between oxygen production from photosynthesis and nitrogen fixation Jionghua Li Master/Xiamen University Poster Presentation
18:05	18:20	15	980	Nitrogen fixation in the river-estuary-coastal ocean continuum: Jiulong River-Xiamen Bay Jiaying Zhang master student/Xiamen University Poster Presentation
17:50	18:05	15	804	The contribution of diazotroph to the temporal decoupling of nitrogen fixation and export production: Insights from the Hawaii Ocean time-series Chongxiang Li Master/Xiamen University Poster Presentation
18:20	18:35	15	836	Observation datasets of atmospheric reactive nitrogen deposition fluxes over China marginal seas Li Luo Other/Hainan University Poster Presentation
18:35	18:50	15	831	Ocean warming enhances iron use efficiencies of marine ammonia-oxidizing archaea Lei Hou Postdoctor/University of Oklahoma Poster Presentation
18:50	19:05	15	826	Machine learning insights the impact of water masses and climate change on planktonic archaeal community biogeography in the East China Sea Wei Xie Professor/Sun Yat-sen University Poster Presentation
19:05	19:20	15	820	Urea amidolyase as the enzyme for urea utilization in algae：Functional display in Chlamydomonas reinhardtii and evolution in algae Honghao Liang Master/Shantou University Poster Presentation
19:20	19:35	15	799	Metagenomic insight into spatio-temporal variations of nitrogen cycling mediated by particle-attached and free-living microorganisms in the Yangtze River Estuary and adjacent regions Yuhao Chen PhD student/Shanghai Jiao Tong University Poster Presentation
19:35	19:50	15	775	A novel order of anammox bacteria and their adaption in the coastal aquifer Jiapeng Wu Assistant Professor /Guangzhou University Poster Presentation
19:50	20:05	15	830	Isotopic composition of nitrate in the Western Pacific Ocean: Biogeochemical signals and their transport Wentao Wang Associate Professor/Institute of Oceanography, Chinese Academy of Sciences Poster Presentation
20:05	20:20	15	810	Quantifying the impact of microhabitats on nitrogen removal in coastal wetland sediments Nga Man Chung Master/The Chinese University of Hong Kong Poster Presentation
20:20	20:35	15	809	Changes in nitrogen utilization in a tropical estuary caused by temperature and phytoplankton community Min Xu Associate Researcher/Hainan University Poster Presentation
20:35	20:50	15	808	Increased particle export stimulates ammonium consumption through varied pathways in a eutrophic estuary Sijing Kang PhD/Xiamen University,State Key Laboratory of Marine Environmental Science Poster Presentation
20:50	21:05	15	795	Nitrogen oxidation and uptake processes in a semi-enclosed mariculture bay Rong Fu postgraduate student/Hainan University Poster Presentation
21:05	21:20	15	778	Urea and cyanate oxidation rates along a salinity gradient - Pearl River Estuary as a case study Siqi Wu PhD student/State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University Poster Presentation
21:20	21:35	15	825	Biogeochemical drivers of N2O dynamics along a river-estuary continuum: The critical role of N2O reduction in lowering emissions Xinxiao Wu Master/Guangdong University of Technology Poster Presentation
21:35	21:50	15	797	The temperature effects of ammonia oxidation and associated nitrous oxide production in the coastal waters Tong Liu Undergraduate/Hainan University Poster Presentation
21:50	22:05	15	776	Coupled stable isotope tracing and ferric iron oxidation (SIT-FIO) method to simultaneous determine the 45N2O and 46N2O with membrane inlet mass spectrometer Xiaoyi Li Master/Guangzhou University Poster Presentation
22:05	22:20	15	777	Acidified potassium iodide reduction method: A rapid and precise method for measuring microbial nitrification rate across environments Yuexi Ma Master/Guangzhou University Poster Presentation

Day 3,Jan. 15, 2025Wednesday

S3-4	Start	End	Duration	ID
S3-4	The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry@Session 3-The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry 15 Jan 2025, 08:30-10:00 Xiamen International Conference Center 2A Meeting Room \| 2A 会议室 Session convener：Xin Sun/Carnegie Science at Stanford；Wei Qin/University of Oklahoma；Xianhui Wan/Xiamen University；Yao Zhang/Xiamen University；Yue Zheng/Xiamen University Session block convener：Yao Zhang/Xiamen University Offline Conference Oral&Poster Session Timetable V63 Updated：01 Jan 2025, 06:58
08:30	08:45	15	772	Unconditional nutrient niches for open ocean phytoplankton taxa Sarah Fawcett Associate Professor/University of Cape Town Oral (invited)
08:45	09:00	15	987	The cycling of dissolved organic nitrogen - From coastal to deep ocean Yu Xin Asso. Prof./Ocean University of China Oral Presentation
09:00	09:15	15	983	Top-down control of marine nitrifiers by zooplankton in the West Pacific and South China Sea Silin Ni PostDOC/Hainan university Oral Presentation
09:15	09:30	15	801	Dominant anammox bacteria in the global oxygen deficient zones Rui Zhao Dr./Massachusetts Institute of Technology Oral Presentation
09:30	09:45	15	802	Comammox Nitrospira clade B as a key nitrification driver in coastal Antarctica Ping Han Professor/East China Normal University Oral Presentation
09:45	10:00	15	793	Candidatus Nitrosomaritimum, an overlooked genus of ammonia-oxidizing archaea in intertidal aquifers and marine sediments Ze Zhao Master/Westlake University Oral Presentation

Important Date

Conference Date

Jan 13

2025

to

Jan 17

2025
Sep 27 2024

Draft paper submission deadline
Feb 17 2025

Registration deadline

Organized By

State Key Laboratory of Marine Environmental Science, Xiamen University
Department of Earth Sciences, National Natural Science Foundation of China

Contact Information

Kejing GU
xm******@xmu.edu.cn
+86*********

The Xiamen Symposium on Marine Environmental Sciences (XMAS 2025)

Timetable

Day 2,Jan. 14, 2025Tuesday

The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry@Session 3-The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry

The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry@Session 3-The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry

The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry@Session 3-The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry

The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry@Session 3-The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry

Day 3,Jan. 15, 2025Wednesday

The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry@Session 3-The Nitrogen Cycle Towards a Sustainable Ocean: From Microbes to Global Biogeochemistry

Important Date

Conference Date

Sponsored By

Organized By

Contact Information