Abundances of phytoplankton and non-pigmented bacteria determined by flow cytometry from water samples collected on R/V Roger Revelle cruise RR2201 in the Eastern Indian Ocean during February and March 2022

This dataset is from CTD-based water collections of samples for phytoplankton and non-pigmented bacteria in the Indian Ocean on an R/V Roger Revelle cruise in Feb-March 2022 led by Dr. Michael Landry to investigate the plankton dynamics and impacts on growth and survival of larval Southern Bluefin Tuna (SBT). These flow cytometry results include abundances of phytoplankton taxa (Prochlorococcus, Synechococcus, photosynthetic eukaryotes), non-pigmented bacteria (HBACT), heterotrophic eukaryotes (HEUK), and potential mixotrophic eukaryotes (MEUK). Photosynthetic eukaryote (PEUK) abundance includes the MEUK cells reported (e.g., MEUK are a subset of the PEUK cells with chlorophyll and acidic-vacuoles). Note that MEUK cells likely also include some HEUK with intact chlorophyll-bearing prey, but there is no way to definitively separate these cells from each other.本数据集源自2022年2月至3月由迈克尔·兰德里 (Michael Landry) 博士主持的罗杰·雷弗号 (R/V Roger Revelle) 印度洋科考航次，该航次通过温盐深仪 (Conductivity Temperature Depth, CTD) 采集了浮游植物与无色素细菌水样，旨在探究浮游生物动态及其对南方蓝鳍金枪鱼 (Southern Bluefin Tuna, SBT) 幼体生长与存活的影响。本数据集包含流式细胞术 (Flow Cytometry) 检测结果，涵盖以下类群的丰度数据：浮游植物类群（原绿球藻 (Prochlorococcus)、聚球藻 (Synechococcus)、光合真核生物）、无色素细菌 (HBACT)、异养真核生物 (HEUK) 以及潜在混合营养真核生物 (MEUK)。其中，光合真核生物 (PEUK) 的丰度统计包含已识别的MEUK细胞，例如：MEUK是携带叶绿素与酸性液泡的PEUK细胞子集。需注意，MEUK细胞大概率还包含部分携带有完整叶绿素猎物的HEUK细胞，但目前无法将二者明确区分。