Whale fecal material sampling details and analytical results for dissolved nutrients, PON concentration, and N stable isotope ratios for PON and NH4+ at the first time point, 5–7 h after sampling.

Whale fecal material sampling details and analytical results for dissolved nutrients, PON concentration, and N stable isotope ratios for PON and NH4+ at the first time point, 5–7 h after sampling.鲸粪样本采集细节，以及针对溶解态营养盐、颗粒有机氮（Particulate Organic Nitrogen，PON）浓度，还有颗粒有机氮与铵根离子（Ammonium Ion，NH4+）的氮稳定同位素比值的分析结果，所有分析均基于采样后5~7小时的首个采样时间点。