Light spectra absorption and HPLC pigments of phytoplankton in the northern Antarctic Peninsula

This dataset includes light absorption spectra, HPLC pigments and CHEMTAX community composition of phytoplankton collected during 2013 and 2014 austral summers in the northern Antarctic Peninsula. Our analysis in Ferreira et al, JGR (in press) showed that 1) variations in photosynthetic and photoprotective pigments are not discernible by changes in the chlorophyll-specific absorption of phytoplankton; 2) a cluster analysis identifies a regular increase in the degree of package effect of phytoplankton absorption; and 3) a regular increase in the degree of package effect is associated with an increase of fucoxanthin and decrease of photoprotective pigments relative to chlorophyll-a.

本数据集涵盖了2013年及2014年南半球夏季在南极半岛北部采集的浮游植物的光吸收光谱、高效液相色谱（High Performance Liquid Chromatography，HPLC）色素数据以及CHEMTAX群落组成数据。我们在费雷拉等人发表于《地球物理研究杂志》（Journal of Geophysical Research，JGR，待刊）的研究中得到如下结论：1）浮游植物光合色素与光保护色素的变化，无法通过其叶绿素特异性吸收的变化予以区分；2）聚类分析结果显示，浮游植物吸收的包装效应（package effect）程度呈现规律性升高；3）包装效应程度的规律性上升，与岩藻黄素（fucoxanthin）相对叶绿素a（chlorophyll-a）的含量升高以及光保护色素的相对含量降低存在关联。