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| griddap | Subset | tabledap | Make A Graph | wms | files | Accessible | Title | Summary | FGDC | ISO 19115 | Info | Background Info | RSS | Institution | Dataset ID | |
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| log in | [Epifluorescence Microscopy Reduced] - Reduced Epifluorescence Microscopy Water Column Samples from R/V Tangaroa TAN1810 in the Chatham Rise (Subtropical and Sub-Antarctic waters off of New Zealand) from October to November 2018 (Salp Food Web Ecology project) (Collaborative Research: Quantifying trophic roles and food web ecology of salp blooms of the Chatham Rise) | The structure of the phytoplankton community is crucially important to pelagic food webs, biogeochemical processes. and carbon (C) cycle. This study quantifies C-based size spectra, phytoplankton community composition across subtropical and subantarctic waters east of New Zealand. Depth-resolved water column samples were analyzed using epifluorescence microscopy at 15 different sampling locations. Samples were analyzed for biomass and abundance of microplankton (>20 µm), nanoplankton (2-20 µm) and picoplankton (<2 µm) and diatoms. Our results suggest that the subtropical waters are dominated by nanoplankton (35.2 ± 4.6 µg C/L). Offshore subantarctic waters were dominated by picoplankton (24.7 ± 2.1 µg C/L) while microplankton dominated in coastal subantarctic waters (21.7 ± 2.2 µg C/L). Overall, our study helps provide important insights into the structure of phytoplankton communities, their biomass distribution and their contribution to carbon sequestration in the subtropical and subantarctic waters east of New Zealand, highlighting the dominance of nanoplankton in subtropical waters and picoplankton in offshore subantarctic waters.\n\ncdm_data_type = Other\nVARIABLES:\nCycle (unitless)\nCast (unitless)\ndepth (m)\nLat (degrees_north)\nlongitude (degrees_east)\nDate (unitless)\nAbundance_025_to_05 (microns (µm))\nAbundance_05_to_1 (microns (µm))\nAbundance_1_to_2 (microns (µm))\nAbundance_2_to_4 (microns (µm))\nAbundance_4_to_8 (microns (µm))\nAbundance_8_to_16 (microns (µm))\nAbundance_16_to_32 (microns (µm))\nAbundance_32_to_64 (microns (µm))\nAbundance_64_to_128 (microns (µm))\n... (17 more variables)\n | BCO-DMO | bcodmo_dataset_905170_v1 |