中国海洋大学学报（自然科学版）2009，Vol.39Issue(4)：604-610,7.
北黄海夏、冬季叶绿素和初级生产力的空间分布和季节变化特征
Spatial and Seasonal Variation of Chlorophyll and Primary Productivity in Summer and Winter in the Northern Yellow Sea
摘要
Abstract
Chlorophyll and primary productivity were measured during two expeditions to the Northern Yellow Sea during the summer and winter of 2006/2007 in order to assess their spatial and seasonal variability as well as controlling factors. The average values of surface chlorophyll concentration were(0.779±0.640) mg·m-3 in summer and(0.652±0.508) mg·m-3 in winter. The chlorophyll content in water column in summer was(30.75±19.01) mg·m-2, whereas the value in winter(18.72±11.98) mg·m-2 showed a significant decrease(P<0.05). Due to intense water stratification in the summer, the maximum chlorophyll concentration that appears at the subsurface layer differs from the more uniformly mixed water column in winter. The primary productivity in water column in summer was 471.2 mg·m-2·d-1 on average, compared with only one-fourth of this value(125.4 mg·m-2·d-1) in winter. The horizontal distribution of primary productivity shows less variation in winter than in summer. While both nitrate and phosphate are likely to be the controlling factors of phytoplankton growth in winter, only phosphate can be considered as a controlling factor in summer. The sea surface temperature and chlorophyll concentration showed negative correlations both in summer and winter with R2 values of 0.44(P=0.01,n=73) and 0.41(P=0.01,n=71), respectively.关键词
北黄海/叶绿素/初级生产力/浮游植物Key words
the North Yellow Sea/chlorophyll/primary productivity/phytoplankton分类
海洋科学引用本文复制引用
高爽,李正炎..北黄海夏、冬季叶绿素和初级生产力的空间分布和季节变化特征[J].中国海洋大学学报（自然科学版）,2009,39(4):604-610,7.基金项目
国家908专项(908-01-ST02) （908-01-ST02）
国家自然科学基金项目(40676067)资助 （40676067）
