2011年春季东海赤潮高发区尿素分布特征及影响因素

王雪景; 石晓勇; 赵玉庭; 张传松

doi:10.3969/j.issn.0253-4193.2015.02.007

2011年春季东海赤潮高发区尿素分布特征及影响因素

doi: 10.3969/j.issn.0253-4193.2015.02.007

1.
中国海洋大学化学化工学院, 山东青岛 266100;中国海洋大学海洋化学理论与工程技术教育部重点实验室, 山东青岛 266100
2.
中国海洋大学化学化工学院, 山东青岛 266100;中国海洋大学海洋化学理论与工程技术教育部重点实验室, 山东青岛 266100;国家海洋局海洋减灾中心, 北京 100194
3.
山东省海洋资源与环境研究院, 山东烟台 264003

基金项目: 国家重点基础研究发展计划(973)项目(2010CB428701);国家自然科学基金(41376106).

计量
- 文章访问数: 1624
- HTML全文浏览量: 23
- PDF下载量: 1139
- 被引次数: 0
出版历程
- 收稿日期: 2014-03-19
- 修回日期: 2014-08-01

Distribution and concentration of urea in the East China Sea in spring of 2011

1.
College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China;Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China
2.
College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China;Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China;National Marine Hazard Mitigation Service, Beijing 100194, China
3.
Shandong Marine Resource and Environment Research Institute, Yantai 264003, China

摘要

摘要: 2011年春季(3-5月)在东海赤潮高发区硅藻和甲藻赤潮暴发及演替过程中进行了3个航次的现场调查,通过对调查资料的分析,对该海域尿素的含量变化、平面分布特征及影响因素进行了初步探讨.结果表明:调查海域尿素的含量在检出限~6.32 μmol/L范围内,平均浓度为(1.33±0.84) μmol/L,是该海域一种重要的溶解有机氮组分.其中,在DIN中所占比例8.73%~18.04%,在DON中所占比例5.63%~15.73%.赤潮的暴发对尿素含量和分布影响较大,能够影响并控制该海区尿素的实际浓度水平和分布特征.其中,硅藻赤潮暴发前后尿素和DIN含量下降百分比分别为36.67%和49.88%,甲藻赤潮暴发前后尿素和DIN含量下降百分比分别为8.78%和28.97%.硅藻赤潮期,尿素的高值区和叶绿素高值区一致,其含量明显高于正常海区;甲藻赤潮期,叶绿素的高值区对应着尿素低值区,赤潮区内尿素含量普遍降低至1 μmol/L以下,尿素是一种能够被研究海区甲藻类浮游植物吸收利用的有效氮源.在调查海域大规模硅藻和甲藻赤潮暴发和演替期间,尿素的平面分布上未呈现明显的近岸低、远岸高的分布特点,与盐度数值没有明显的相关性,该时期陆源输入不是影响该海域尿素分布的主要因素.
- 长江口 /
- 东海 /
- 赤潮 /
- 尿素 /
- 分布
Abstract: Based on the data of three cruises in Spring (March to May) of 2011 that carried out in the south of Yangtze estuary where was high frequent occurrence of harmful algal blooms, the concentration and the spatial distribution of urea were analyzed and its influencing factors were discussed. The results showed: The concentration of urea ranged from detection limit to 6.32 μmol/L and its average was(1.33±0.84 )μmol/L. Urea was an important form of dissolved organic nitrogen during the survey. The ratio of urea to DIN was 8.73%-18.04% and the proportion of urea in DON was 5.63%-15.73%.The occurrence of diatom HABs and dinoflagellate HABs could affect the content and distribution of urea in the invested area and control the urea concentration and distribution characteristics in this area. The decreased ratio of urea and DIN were 36.67%, 49.88% after diatom HABs, respectively; after dinoflagellate HABs, urea and DIN decreased 8.78% and 28.97%. In the diatom HABsarea, the zones of high urea concentration and high chlorophyll were in the same position and the urea content was significantly higher than that of normal zones. In the dinoflagellate HABs area, the zones of high chlorophyll values were corresponded to the zones of low urea values, urea generally reduced to 1 μmol/L in this area. Urea was a kind of effective nitrogen source for phytoplankton of dinoflagellate. During the large scale HABs of diatom and dinoflagellate and their succession process in the invested area, the distribution of urea had no characteristic of gradual reduction from inshore to offshore. Urea concentration and salinity had no significant correlation. During the investigation, terrigenous input was not the main factor affecting the distribution of urea.
- Yangtze estuary /
- East China Sea /
- HABs /
- urea /
- distribution

HTML全文

参考文献(30)

中国海洋信息网. 国家海洋环境质量公报[EB/OL]. [2013-09-18]. http://www.coi.gov.cn/gongbao/. Chinese Oceanic Information Network. The national Marine environment quality bulletin[EB/OL]. [2013-09-18] . http://www.coi.gov.cn/gongbao/.

张述伟. 东海近岸海域溶解态碳和氮的分布变化特征[D]. 青岛: 中国海洋大学,2012. Zhang Shuwei.The Distribution and Variation of Dissolved Carbon and Nitrogen in the East China Sea[D]. Qingdao:Ocean University of China,2012.

Furnas M J. Nitrogen dynamics in lower Narragansett Bay,Rhode Island. Uptake by size fractionated phytoplankton populations[J]. J Plankton Res,1983,5(5): 657-676.

Harrison W G,Head E J H,Conover R J,et al. The distribution and metabolism of urea in the eastern Canadian Arctic[J]. Deep-Sea Res,1985,32(1): 23-42.

Kaufman Z G,Lively J S,Carpenter E J. Uptake of nitrogenous nutrients by phytoplankton in a barrier island estuary: Great South Bay,New York[J]. Estuarine,Coastal and Shelf Science,1983,17(5): 483-493.

Varela D E,Harrison P J. Seasonal variability in nitrogenous nutrition of phytoplankton assemblages in the northeast subarctic Pacific Ocean[J]. Deep-Sea Research Ⅱ: Topical Studies in Oceanography,1999,46(11/12): 2505-2538.

Chang F H,Bradford-Grieve J M,Vincent W F,et al. Nitrogen uptake by summer size-fractionated phytoplankton assemblages in the Westland,New Zealand,upwelling system[J]. New Zealand Journal of Marine and Freshwater Research,1995,29(2): 147-161.

Bronk D A. Dynamics of DON [C]// Hansell D A,Carlson C A.Biogeochemistry of Marine Dissolved Organic Matter. Amsterdam,Boston: Academic Press,2002: 153-247.

Solomon C M,Collier J L,Berg G M,et al. Role of urea in microbial metabolism in aquatic systems: a biochemical and molecular review[J]. Aquat Microb Ecol,2010,59(1): 67-88.

Cochlan W P,Wikner J. Nitrogen uptake by size-fractionated microorganisms in the Gulf of Bothnia,Sweden[D]. The Oceanography Society Meeting,Seattle,WA. 1993.

Bekheet I A,Syrett P J. Urea-degrading enzymes in algae[J]. British Phycological Journal,1977,12: 137-143.

Oliveira L,Antia N J. Some observations on the urea-degrading enzyme of the diatom Cyclotella cryptica and the role of nickel in its production[J]. J Plank Res,1986,8(2): 235-242.

Gu B,Haven K,Schelske C,et al. Uptake of dissolved nitrogen by phytoplankton in a eutrophic subtropical lake[J]. J Plank Res,1997,19(6): 759-770.

Li J,Glibert P M,Zhou M J. Temporal and spatial variability in nitrogen uptake kinetics during harmful dinoflagellate blooms in the East China Sea[J]. Harmful Algae,2010,9(6): 531-539.

Taylor G T, Gobler C J, Sañudo-Wilhelmy S A. Speciation and concentrations of dissolved nitrogen as determinants of brown tide Aureococcus anophagefferens bloom initiation[J]. Marine Ecology Progress Series, 2006, 312: 67-83.

Solomon C M,Glibert P M. Urease activity in five phytoplankton species[J]. Aquatic Microbial Ecology,2008,52(2): 149-157.

胡章喜,徐宁,段舜山. 不同氮源对4种海洋微藻生长的影响[J]. 生态环境学报,2010,19(10): 2452-2457. Hu Zhangxi,Xu Ning,Duan Shunshan. Effects of nitrogen sources on the growth of Heterosigma akashiw,Karenia sp.,Phaeocystis globosa and Chaetoceros sp.[J]. Ecology and Environmental Sciences,2010,19(10): 2452-2457.

吕颂辉,欧美珊. 不同N源及N/P对东海原甲藻生长的影响[J]. 海洋环境科学,2006,25(2): 33-36. Lv Songhui,Ou Meishan. Effects of different nitrogen sources and N/P ratios on the growth of a marine dinoflagellate Prorocentrum donghaiense[J]. Marine Environmental Science,2006,25(2):33-36.

黄凯旋,谢雅慧,吕颂辉. 米氏凯伦藻对氮源的吸收利用特征[J]. 生态环境学报,2009,18(2): 453-457. Huang Kaixuan,Xie Yahui,Lv Songhui.Effects of nitrogen availability on growth of Karenia mikimotoi[J]. Ecology and Environmental Sciences,2009,18(2): 453-457.

秦岭. 中国尿素行业生产快速发展[J]. 化工文摘,2001(9): 54. Qin Ling.Rapid development of urea industry in China[J]. Chemical Engineering Abstracts,2001(9):54.

Glibert P M,Harrison J,Hei C A,et al. Escalating worldwide use of urea-a global change contributing to coastal eutrophication[J]. Biogeochemistry,2006,77(3): 441-463.

Beman J M,Arrigo K R,Matson P A. Agricultural runoff fuels large phytoplankton blooms in vulnerable areas of the ocean[J]. Nature,2005,434(7030): 211-214.

黄爽,石晓勇,张传松,等. 2010 年春季杭州湾邻近海域尿素含量及平面分布[J]. 海洋环境科学,2012,31(1): 58-61. Huang Shuang,Shi Xiaoyong,Zhang Chuansong,et al,Urea concentration and its distribution in the adjacent area of Hangzhou Bay in spring of 2010[J]. Marine Environmental Science,2012,31(1): 58-61.

张云. 不同类群代表性浮游植物对尿素的生理生态响应[D]. 广州: 暨南大学,2013. Zhang Yun. Comparative Study on the Ecophysiological Responses of Different Groups of Phytoplankton to Urea[D]. Guangzhou:Ji'nan University,2013.

赖海燕,徐宁,段舜山. 大亚湾裸甲藻种群动态及其关键调控因子[J]. 生态环境学报,2011,31(2): 307-315. Lai Haiyan,Xu Ning,Duan Shunshan. Relationship between population dynamics of Gymnodinium spp. and key environmental factors in Daya Bay[J]. Ecology And Environmental Sciences,2011,31(2): 307-315.

Grasshoff K,Kremling K,Ehrhardt M. Methods of Seawater Analysis[M]. 3rd ed. Weinheim: Wiley Press,1999: 203-223.

谭加强,于志刚,林桂炽,等. 过硫酸盐氧化法测定海水中溶解总磷[J]. 青岛海洋大学学报,2001,31(2): 256-262. Tan Jiaqiang,Yu Zhigang,Lin Guizhi,et al. The decomposition and analysis method for dissolved total phosphorus in sea water by persulphate oxidation[J].J Ocean Univ Qingdao,2001,31(2):256-262.

侯继灵. 不同氮源和铁对浮游植物生长影响的围隔实验研究[D]. 青岛: 中国海洋大学,2006. Hou Jiling. Influence of Nitrogen Nutrients and Iron to the Growth of Phytoplankton in mesocosm Experiments .Qingdao: Ocean University of China,2006.

刘莉,杨桂朋,陈岩. 秋季中国东海海水中溶解氨基酸的分布与组成[J]. 海洋环境科学,2013,32(4): 510-517. Liu Li,Yang Guipeng,Chen Yan. Distribution and composition of dissolved amino acids in seawater of the East China Sea during autumn[J]. Marine Environmental Science,2013,32(4):510-517.

Fan C,Glibert P,Alexander J,et al. Characterization of urease activity in three marine phytoplankton species,Aureococcus anophagefferens,prorocentrum minimum,and Thalassiosira weissflogii[J]. Marine Biology,2003,142(5): 949-958.

施引文献

资源附件(0)

访问统计