Heterotrophic Bacterial Production Samples from Station E (Palmer Station, Antarctica) and Associated Incubation Experiments

Rates of heterotrophic bacterial production (BP) via 3H-Leu uptake were estimated for samples collected from Station E (Palmer Station, Antarctica) and associated incubation experiments. Rates of BP in seawater incubations greatly exceeded BP rates in the environment, likely due to stimulation of phytoplankton blooms and addition of DMSP in experimental treatments. Methods for determining BP were identical to those used by Palmer LTER investigators. References for the analytical methods used for these analyses are included in a secondary tab with the uploaded data.

本研究通过氚标记亮氨酸（3H-Leu）摄取法，对从南极帕尔默站（Palmer Station）E站点采集的样本及相关培养实验的异养细菌生产力（BP）速率进行了估算。海水培养体系中的细菌生产力速率显著高于环境原位水平，该现象大概率由实验处理中浮游植物水华的激发以及二甲基巯基丙酸内盐（DMSP）的添加所导致。本次异养细菌生产力的测定方法与帕尔默长期生态研究（Palmer LTER）团队所采用的方法完全一致。本次分析所用分析方法的相关参考文献已收录于上传数据的次级标签页中。