David A. Hutchins

Synonyms:

Dave

Affiliation:

University of Southern California (USC)

Address:

Department of Biological Sciences
3616 Trousdale Parkway, AHF 20
Los Angeles, CA
USA 90089

ORCiD:

0000-0002-6637-756X

Activities reported for David A. Hutchins:

Program coordination

None

Project coordination

North Atlantic Spring Bloom 2005 (NASB 2005)	Lead Principal Investigator, Contact
Controls of Ross Sea Algal Community Structure (CORSACS)	Co-Principal Investigator
FeCycle II- Natural variability in plankton iron quotas during an unamended Lagrangian experiment (FeCycle II)	Lead Principal Investigator
CO2 control of oceanic nitrogen fixation and carbon flow through diazotrophs (Diaz N2-Fix in High CO2)	Lead Principal Investigator
Changing Phytoplankton Trace Metal Requirements in a High CO2 Ocean (PhytoTM_in_HighCO2)	Co-Principal Investigator
Experimental studies to understand and evaluate acclimation of marine plankton assemblages to increased CO2 and temperature (Plankton acclimation)	Co-Principal Investigator
Gene Expression Patterns in High CO2-Adapted Trichodesmium (Trichodesmium in High CO2)	Principal Investigator
Can the availability of B-vitamins control phyto-and-bacterioplankton successions in a coastal upwelling region? (B-vitamin plankton succession)	Co-Principal Investigator
Adaptation of key N2-fixing cyanobacteria to changing CO2 (HiCO2_AdaptCyano)	Principal Investigator, Contact
Synergistic Effects of Iron, Carbon Dioxide and Temperature on the Fate of Nitrate: Implications for Future Changes in Export Production in the Southern Ocean (Ross_Sea_Microb_Ecophys)	Principal Investigator
How does intensity and frequency of environmental variability affect phytoplankton growth? (Enviro variability and phytoplankton growth)	Co-Principal Investigator
Dimensions: Collaborative Research: Genetic, functional and phylogenetic diversity determines marine phytoplankton community responses to changing temperature and nutrients (Phytoplankton Community Responses)	Principal Investigator
Collaborative Research: Iron and phosphorus balanced limitation of nitrogen fixation in the oligotrophic ocean (TriCoLim)	Principal Investigator, Contact
Collaborative Research: Evolutionary, biochemical and biogeochemical responses of marine cyanobacteria to warming and iron limitation interactions (Cyanobacteria Warming Responses)	Principal Investigator, Contact
NSFGEO-NERC: Understanding the consequences of changing phytoplankton elemental use efficiencies for global ocean biogeochemistry (EUEs and global ocean biogeochemistry)	Principal Investigator, Contact
Collaborative Research: The impact of ocean warming on bioactive trace metal requirements and use efficiencies of marine nitrifying microorganisms (Nitrifiers_TMReqs_OceanWarming)	Co-Principal Investigator

Deployment coordination

Deployment	Synonyms	Platform	Role
AT39-05	TriCoLim	Atlantis	Chief Scientist
Hutchins_2011		USC	Principal Investigator
lab_Hutchins_07-12_diazotrophs		USC	Lead Principal Investigator
lab_Hutchins_09-10_plankton		USC	Co-Principal Investigator
SJ0516	JOH/05/0063, SJ-2004-126, 33SW0516	Seward Johnson	Chief Scientist

Datasets

Project: MCA: Developing transcriptomics as a tool to investigate toxic diatom responses to ocean heatwave and upwelling events

Dataset	Version Date	Current State
Cluster (combined temperature, nutrient concentration, and CO2) results from laboratory experiments with Pseudo-nitzschia australis conducted from 2021 to 2022 Scientist	2023-08-28	Final no updates expected
CO2 experiment physiology and carbonate chemistry from laboratory experiments with Pseudo-nitzschia australis conducted from 2021 to 2022 Scientist	2023-08-28	Final no updates expected
Single-factor temperature experiment physiology and carbonate chemistry from laboratory experiments with Pseudo-nitzschia australis conducted from 2021 to 2022 Scientist	2023-08-28	Final no updates expected
N:P ratio experiment physiology and carbonate chemistry laboratory experiments with Pseudo-nitzschia australis conducted from 2021 to 2022 Scientist	2023-08-28	Final no updates expected

Project: Collaborative Research: Evolutionary, biochemical and biogeochemical responses of marine cyanobacteria to warming and iron limitation interactions

Dataset	Version Date	Current State
Physiological measurements during Cyanobacteria Crocosphaera iron/warming experiments Principal Investigator, Contact	2021-07-08	Preliminary and in progress

Project: Quantifying Temperature Dependence In Growth & Grazing Rates of Planktonic Herbivores

Dataset	Version Date	Current State
Temperature and nutrient dependent phytoplankton growth and herbivorous protist grazing rates from the Long-term Plankton Time Series site in Narragansett Bay, RI in 2017 Co-Principal Investigator	2023-04-12	Final no updates expected
Herbivorous protist abundances under simultaneous manipulation of temperature and nutrients from the Long-term Plankton Time Series site in Narragansett Bay, RI in 2017 Co-Principal Investigator	2023-04-10	Final no updates expected

Project: Collaborative Research: Iron and phosphorus balanced limitation of nitrogen fixation in the oligotrophic ocean

Dataset	Version Date	Current State
Physiology data from Crocosphaera iron and phosphorus colimitation culture experiment Principal Investigator, Contact	2021-07-20	Preliminary and in progress
Particulate organic phosphorus data from TriCoLim incubation experiments done aboard R/V Atlantis AT39-05 in the Tropical Atlantic Principal Investigator, Contact	2021-07-13	Preliminary and in progress
POC and PON from Trichodesmium colonies from RV/Atlantic cruise AT39-05, Feb-Mar 2018 Principal Investigator	2019-05-02	Final no updates expected
POC and PON from bulk seawater samples from RV/Atlantic cruise AT39-05, Feb-Mar 2018 Principal Investigator	2019-05-02	Final no updates expected
Nitrogen and carbon fixation rates from Trichodesmium colonies from RV/Atlantic cruise AT39-05, Feb-Mar 2018 Principal Investigator	2019-05-02	Final no updates expected
Nitrogen and carbon fixation rates from bulk water samples from RV/Atlantic cruise AT39-05, Feb-Mar 2018 Principal Investigator	2019-05-02	Final no updates expected
Enzyme-linked fluorescence (ELF) analysis results from Trichodesmium colony incubations from RV/Atlantis cruise AT39-05, Feb-Mar 2018 Co-Principal Investigator	2019-05-02	Data not available
Enzyme linked fluorescence (ELF) assays of Trichodesmium colonies collected from RV/Atlantis cruise AT39-05, Feb-Mar 2018 Co-Principal Investigator	2019-05-02	Data not available
NCBI accessions for raw RNA-seq fastq in 380 and 750 uatm CO2 from experiments conducted at the University of Southern California: deep metatranscriptomic sequencing of Trichodesmium enrichment cultures (HiCO2_AdaptCyano project) Principal Investigator	2018-02-14	Final no updates expected

Project: Dimensions: Collaborative Research: Genetic, functional and phylogenetic diversity determines marine phytoplankton community responses to changing temperature and nutrients

Dataset	Version Date	Current State
Temperature and nutrient dependent phytoplankton growth and herbivorous protist grazing rates from the Long-term Plankton Time Series site in Narragansett Bay, RI in 2017 Co-Principal Investigator	2023-04-12	Final no updates expected
Herbivorous protist abundances under simultaneous manipulation of temperature and nutrients from the Long-term Plankton Time Series site in Narragansett Bay, RI in 2017 Co-Principal Investigator	2023-04-10	Final no updates expected
Changes in seasonal phytoplankton community composition as a response to temperature at the San Pedro Ocean Time-series. Principal Investigator	2021-06-01	Preliminary and in progress
Microscopy cell counts from multivariate mesocosm experiments conducted with a natural phytoplankton community from Narragansett Bay, RI Co-Principal Investigator	2021-04-14	Final no updates expected
Size-fractionated chlorophyll a from multivariate mesocosm experiments conducted with a natural phytoplankton community from Narragansett Bay, RI Co-Principal Investigator	2021-04-14	Final no updates expected
Elemental composition of phytoplankton communities from multivariate mesocosm experiments conducted with a natural phytoplankton community from Narragansett Bay, RI. Co-Principal Investigator	2021-04-26	Final no updates expected
Thermal niche across three light levels for seven strains of a marine diatom Chaetoceros sp. isolated from Narragansett Bay March 2018 Principal Investigator	2019-11-20	Final no updates expected
Growth rates across multiple temperatures and light intensities for seven strains of a marine Chaetoceros sp. isolated from Narragansett Bay March 2018. Growth was measured across six to seven temperatures and three light intensities for each strain Principal Investigator	2019-11-20	Final no updates expected
Fluorescence spectra for 3 strains of Synechococcus while increasing temperatures to detect the photosystem components disassociation temperature Principal Investigator	2019-11-20	Final no updates expected
Growth rates across temperatures for 11 new isolates of marine Synechococcus from Narragansett Bay, July 2017 Principal Investigator	2019-11-20	Final no updates expected
The thermal niche for each of 11 new isolates of marine Synechococcus from Narragansett Bay, July 2017 Principal Investigator	2019-11-20	Final no updates expected
NCBI accessions for raw genomic sequence data of 11 new isolates of marine Synechococcus from Naragansett Bay, July 2017 Principal Investigator	2019-11-20	Final no updates expected

Project: How does intensity and frequency of environmental variability affect phytoplankton growth?

Dataset	Version Date	Current State
Changes in seasonal phytoplankton community composition as a response to temperature at the San Pedro Ocean Time-series. Principal Investigator	2021-06-01	Preliminary and in progress
Elemental stoichiometry for Emiliania huxleyi across a range of 12 temperatures from 8.5-28.6C Principal Investigator	2019-11-26	Final no updates expected
Growth rates for Emiliania huxleyi thermal response curve across 12 temperatures from 8.5-28.6C Principal Investigator	2019-11-26	Final no updates expected
Intracellular elemental quotas under low and high temperatures for E. huxleyi in constant and fluctuating thermal environments Principal Investigator	2019-11-26	Final no updates expected
Growth rates under low and high temperatures for Emiliania huxleyi in constant and fluctuating thermal environments Principal Investigator	2019-11-26	Final no updates expected
Trichodesmium thermal curve from October to November 2018 Co-Principal Investigator	2019-02-26	Final no updates expected
Nitrogen and carbon fixation rates and POC and PON from thermal variation experiment of Trichodesmium GBR strain from 2016-2018 Co-Principal Investigator	2019-02-05	Final no updates expected
specific growth rates of Trichodesmium GBR strain based on in vivo fluorescence for a thermal variation experiment from 2016-2018 Co-Principal Investigator	2019-02-12	Final no updates expected

Project: Synergistic Effects of Iron, Carbon Dioxide and Temperature on the Fate of Nitrate: Implications for Future Changes in Export Production in the Southern Ocean

Dataset	Version Date	Current State
Iron and vitamin B12 metatranscriptomincs co-limitation in sea water collected from the Ross Sea in 2014 (Ross Sea Microb Ecophys project) Co-Principal Investigator	2015-12-07	Final no updates expected
Nutrients and chlorophyll from sea water samples collected in the Ross Sea from 2013-2015 (Ross Sea Microb Ecophys project) Co-Principal Investigator	2015-12-14	Final no updates expected
Data on phytoplankton physiology and iron and temperature interactions collected in the Ross Sea during 2013 (Ross Sea Microb Ecophys project) Principal Investigator	2015-12-08	Final no updates expected

Project: Adaptation of key N2-fixing cyanobacteria to changing CO2

Dataset	Version Date	Current State
NCBI accessions for raw RNA-seq fastq in 380 and 750 uatm CO2 from experiments conducted at the University of Southern California: deep metatranscriptomic sequencing of Trichodesmium enrichment cultures (HiCO2_AdaptCyano project) Principal Investigator	2018-02-14	Final no updates expected
16S tag data, metagenomic data, and a draft assembled genome of Altermonas macleodii derived from laboratory-maintained Trichodesmium erythraeum cultures Principal Investigator	2018-03-09	Final no updates expected
Trichodesmium growth rate and cell size related to pCO2 and nutrients from experiments conducted at the University of Southern California from 2011-2013 (HiCO2_AdaptCyano project) Principal Investigator, Contact	2016-06-22	Final no updates expected
Trichodesmium nutrient-limited proteomes in 380 and 750 uatm CO2 from experiments conducted at the University of Southern California from 2011-2013 (HiCO2_AdaptCyano project) Principal Investigator, Contact	2018-03-15	Final no updates expected

Project: Can the availability of B-vitamins control phyto-and-bacterioplankton successions in a coastal upwelling region?

Dataset	Version Date	Current State
Vitamin and methionine quantifications from SPOT cruises during different months from from March to December 2017 Co-Principal Investigator	2019-02-06	Final no updates expected
Eukaryotic phytoplankton abundance and composition from nitrate and vitamin-B enriched treatments, from up-welled coastal waters off Southern California, March 2015 (B-vitamin plankton succession project) Co-Principal Investigator	2018-02-05	Final no updates expected
Bacteria, picoeukaryote, and Synecoccus cell counts, nutrients (POC, PON, POP) and chlorophyll from nitrate and vitamin-B enriched treatments, from up-welled coastal waters off Southern California, March 2015 (B-vitamin plankton succession project) Co-Principal Investigator	2018-02-02	Final no updates expected
Bacteria, picoeukaryote, and Synecoccus cell counts and chlorophyll-a from nitrate and vitamin-B treatments, from up-welled coastal waters off Southern California, March 2015 (B-vitamin plankton succession project) Co-Principal Investigator	2018-01-26	Final no updates expected
Particulate B vitamins from Vitacopss, San Pedro Ocean Time series (SPOT), 2015 from R/V Yellowfin near Los Angeles, California from 2015-2016 (B-vitamin plankton succession project) Co-Principal Investigator	2016-08-08	Final no updates expected
Particulate B vitamins from Hotmix expedition, B/O Sarmiento de Gamboa Hotmix, May 2014 Co-Principal Investigator	2016-08-08	Final no updates expected
Dissolved B vitamins from Hotmix expedition, B/O Sarmiento de Gamboa Hotmix, May 2014 Co-Principal Investigator	2016-08-08	Final no updates expected

Project: Gene Expression Patterns in High CO2-Adapted Trichodesmium

Dataset	Version Date	Current State
Gene expression profiles from high through put Illumina sequencing of multiple long-term evolved lines of Trichodesmium, 2011-2013 (Trichodesmium in High CO2 project) Principal Investigator	2013-07-30	Final no updates expected

Project: Rising climatic temperatures impact on antarctic microzooplankton growth and grazing

Dataset	Version Date	Current State
Dimethylsulfide (DMS) and Dymethylsulfonoiproprionate (DMSP) from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006(CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-03-07	Final no updates expected
Particulate nutrients from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-03-06	Final no updates expected
Dissolved nutrients from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-02-20	Preliminary and in progress
Phytoplankton data from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-02-07	Preliminary and in progress
Microzooplankton abundance from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-02-06	Final no updates expected
Diatom abundances from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-02-06	Final no updates expected
Dissolved iron from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-02-06	Final no updates expected
Dissolved iron from phyto and microzooplankton experiments on the RVIB Nathaniel B. Palmer NBP0608 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2013-04-24	Final no updates expected
Phosphorus and biogenic silica from phytoplankton and microzooplankton experiments on the RVIB Nathaniel B. Palmer NBP0608 cruise in the Ross Sea, Southern Ocean during 2006(CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2013-06-05	Final no updates expected
Dissolved nutrients from phytoplankton and microzooplankton experiments on the RVIB Nathaniel B. Palmer NBP0608 cruise in the Ross Sea, Southern Ocean during 2006(CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2013-04-30	Final no updates expected
Photosystem efficiency from phytoplankton experiments on the RVIB Nathaniel B. Palmer NBP0608 cruise in the Ross Sea Southern Ocean during 2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2013-04-29	Preliminary and in progress
Plankton abundances from phytoplankton experiments on the RVIB Nathaniel B. Palmer NBP0608 cruise in the Ross Sea, Southern Ocean during 2006(CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2013-04-29	Final no updates expected
Chlorophyll a from phytoplankton and microzooplankton experiments on the RVIB Nathaniel B. Palmer NBP0608 cruise in the Ross Sea, Southern Ocean during 2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2013-04-24	Final no updates expected
Phytoplankton growth rates from microzooplankton experiments on the R/V Seward Johnson SJ0516 cruise between Ireland and Iceland during the 2005 North Atlantic Spring Bloom (NASB 2005 project, Antarctic microzooplankton project) Co-Principal Investigator	2013-03-18	Final no updates expected
Phytoplankton abundances from experiments on R/V Seward Johnson SJ0516 cruise between Ireland and Iceland during the 2005 North Atlantic Spring Bloom (NASB 2005 project, Antarctic microzooplankton project) Co-Principal Investigator	2013-03-14	Preliminary and in progress
Abundance results from microzooplankton experiments on the R/V Seward Johnson SJ0516 cruise between Ireland and Iceland during 2005, North Atlantic Spring Bloom (NASB 2005 project, Antarctic microzooplankton project) Co-Principal Investigator	2013-03-18	Final no updates expected

Project: Experimental studies to understand and evaluate acclimation of marine plankton assemblages to increased CO2 and temperature

Dataset	Version Date	Current State
Phytoplankton cell counts at 3 pCO2 levels and 2 temperatures before and after 12 month conditioning off New Zealand South Island, near Taiaroa Head, 2011 (Plankton acclimation project) Principal Investigator	2014-05-15	Final no updates expected
Competition experiments of pCO2-conditioned clones in artificial communities; conducted in the Hutchins Laboratory, University of Southern California from 2009-2010 Co-Principal Investigator	2012-11-20	Final no updates expected
Data comparing short vs. long term acclimation of a dinoflagellate community from work completed in the Hutchins Laboratory, University of Southern California from 2009-2010 Co-Principal Investigator	2012-11-20	Final no updates expected

Project: CO2 control of oceanic nitrogen fixation and carbon flow through diazotrophs

Dataset	Version Date	Current State
Results from experiments examining the cell diameter of Crocosphaera watsonii (WH0003) as a function of total P, light, and CO2; conducted in the Hutchins Laboratory, USC Principal Investigator, Contact	2013-10-29	Final no updates expected
Results from experiments examining the cell diameter of Crocosphaera watsonii (WH0003) in response to light irradiance; conducted in the Hutchins Laboratory, USC Principal Investigator, Contact	2013-10-28	Final no updates expected
Results from experiments examining efficiency of cellular P for CO2- and gross N2-fixation rates by Crocosphaera watsonii (WH0003) as a function of light and pCO2; conducted in the Hutchins Laboratory, USC Principal Investigator, Contact	2013-09-13	Final no updates expected
Results of experiments examining phosphate (P) uptake rates and cellular P content of Crocosphaera watsonii from WH0003 region of the genome under differing levels of phosphate, light, and CO2; conducted in the Hutchins Laboratory, USC Principal Investigator, Contact	2013-09-13	Final no updates expected
Results of experiments examining CO2 and gross N2 fixation rates by Crocosphaera watsonii (WH0003) under differing levels of phosphate, light, and pCO2; conducted in the Hutchins Laboratory, USC Principal Investigator, Contact	2013-09-12	Final no updates expected
Results of experiments examining cellular growth by Crocosphaera watsonii (WH0003) under differing levels of phosphate, light, and pCO2; conducted in the Hutchins Laboratory, USC Principal Investigator, Contact	2013-09-11	Final no updates expected
Results from experiments examining cellular growth, CO2- and N2-fixation by Crocosphaera watsonii (WH0003) as a function of light; conducted in the Hutchins Laboratory, USC Principal Investigator, Contact	2013-09-09	Final no updates expected
Results of laboratory experiments examining Cyanobacteria (Trichodesmium and Crocosphaera watsonii) N2-fixation responses to pCO2; conducted in the Hutchins Laboratory, USC Principal Investigator, Contact	2013-06-13	Final no updates expected
Results of laboratory experiment examining growth, CO2- and N2-fixation of Crocosphaera watsonii in differing pCO2 and light levels; conducted in the Hutchins Laboratory, USC Principal Investigator, Contact	2013-06-13	Final no updates expected
Results of laboratory experiment examining growth and N2-fixation of Crocosphaera watsonii under differing pCO2 levels; conducted in the Hutchins Laboratory, USC Principal Investigator, Contact	2013-06-12	Final no updates expected
Results of laboratory experiment examining growth, CO2- and N2-fixation of Crocosphaera watsonii isolates in differing light intensities; conducted in the Hutchins Laboratory, USC Principal Investigator, Contact	2013-06-10	Final no updates expected

Project: Controls of Ross Sea Algal Community Structure

Dataset	Version Date	Current State
Dimethylsulfide (DMS) and Dymethylsulfonoiproprionate (DMSP) from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006(CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-03-07	Final no updates expected
Particulate nutrients from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-03-06	Final no updates expected
Dissolved nutrients from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-02-20	Preliminary and in progress
Phytoplankton data from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-02-07	Preliminary and in progress
Microzooplankton abundance from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-02-06	Final no updates expected
Diatom abundances from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-02-06	Final no updates expected
Dissolved iron from phyto and microzooplankton experiments from the RVIB Nathaniel B. Palmer NBP0601 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2014-02-06	Final no updates expected
Dissolved iron from phyto and microzooplankton experiments on the RVIB Nathaniel B. Palmer NBP0608 cruise in the Ross Sea, Southern Ocean from 2005-2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2013-04-24	Final no updates expected
Phosphorus and biogenic silica from phytoplankton and microzooplankton experiments on the RVIB Nathaniel B. Palmer NBP0608 cruise in the Ross Sea, Southern Ocean during 2006(CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2013-06-05	Final no updates expected
Dissolved nutrients from phytoplankton and microzooplankton experiments on the RVIB Nathaniel B. Palmer NBP0608 cruise in the Ross Sea, Southern Ocean during 2006(CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2013-04-30	Final no updates expected
Photosystem efficiency from phytoplankton experiments on the RVIB Nathaniel B. Palmer NBP0608 cruise in the Ross Sea Southern Ocean during 2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2013-04-29	Preliminary and in progress
Plankton abundances from phytoplankton experiments on the RVIB Nathaniel B. Palmer NBP0608 cruise in the Ross Sea, Southern Ocean during 2006(CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2013-04-29	Final no updates expected
Chlorophyll a from phytoplankton and microzooplankton experiments on the RVIB Nathaniel B. Palmer NBP0608 cruise in the Ross Sea, Southern Ocean during 2006 (CORSACS project, Antarctic microzooplankton project) Co-Principal Investigator	2013-04-24	Final no updates expected
Water-column Biogenic silica concentrations from RVIB Nathaniel B. Palmer NBP0601, NBP0608 cruises in the Ross Sea Southern Ocean (CORSACS project) Principal Investigator, Contact	2010-09-11	Preliminary and in progress

Project: North Atlantic Spring Bloom 2005

Dataset	Version Date	Current State
Phytoplankton growth rates from microzooplankton experiments on the R/V Seward Johnson SJ0516 cruise between Ireland and Iceland during the 2005 North Atlantic Spring Bloom (NASB 2005 project, Antarctic microzooplankton project) Co-Principal Investigator	2013-03-18	Final no updates expected
Phytoplankton abundances from experiments on R/V Seward Johnson SJ0516 cruise between Ireland and Iceland during the 2005 North Atlantic Spring Bloom (NASB 2005 project, Antarctic microzooplankton project) Co-Principal Investigator	2013-03-14	Preliminary and in progress
Abundance results from microzooplankton experiments on the R/V Seward Johnson SJ0516 cruise between Ireland and Iceland during 2005, North Atlantic Spring Bloom (NASB 2005 project, Antarctic microzooplankton project) Co-Principal Investigator	2013-03-18	Final no updates expected
Chlorophyll a estimates from Niskin bottle casts from R/V Seward Johnson cruise SJ0516 in the North Atlantic, largely between Ireland and Iceland in 2005 (NASB 2005 project) Principal Investigator	2009-04-13	Final no updates expected
CTD and bottle rosette station event log from R/V Seward Johnson cruise SJ0516 in the North Atlantic, largely between Ireland and Iceland in 2005 (NASB 2005 project) Chief Scientist	2009-04-13	Final no updates expected
CTD profile basic hydrographic data from R/V Seward Johnson cruise SJ0516 in the North Atlantic, largely between Ireland and Iceland in 2005 (NASB 2005 project) Principal Investigator	2009-04-13	Final no updates expected

Project: Changing Phytoplankton Trace Metal Requirements in a High CO2 Ocean

Dataset	Version Date	Current State
Experimental results from a study of Pseudo-nitzschia multiseries growth rates and cellular domoic acid under varying pCO2 and phosphate levels (PhytoTM_in_HighCO2 project) Co-Principal Investigator	2012-11-15	Final no updates expected
Experimental results from a study of pPeudo-nitzschia multiseries domoic acid production, C-fixation, mean growth, and element composition under varying pCO2 and phosphate levels (PhytoTM_in_HighCO2 project) Co-Principal Investigator	2012-11-15	Final no updates expected
Experimental results from a study of growth rates of two strains of Trichodesmium erythraeum under varying pCO2 and light conditions (PhytoTM_in_HighCO2 project) Co-Principal Investigator	2012-11-14	Final no updates expected
Experimental results from a study of CO2 and N2 fixation and trichome length of Trichodesmium erythraeum under varying pCO2 and light conditions (PhytoTM_in_HighCO2 project) Co-Principal Investigator	2012-11-14	Final no updates expected
Experimental results from a study of cellular quotas of carbon, nitrogen, and phosphorus in Trichodesmium erythraeum strain IMS101 under varying pCO2 and light conditions (PhytoTM_in_HighCO2 project) Co-Principal Investigator	2012-11-14	Final no updates expected
Experimental results from a study of photosynthesis rates of the diatom Pseudo-nitzschia multiseries under varying pCO2, phosphate, and light levels (PhytoTM_in_HighCO2 project) Co-Principal Investigator	2012-11-05	Final no updates expected
Results from experiments on Attheya sp. growth, productivity, and trace metal use under varying pCO2 and B12 levels (PhytoTM_in_HighCO2 project) Co-Principal Investigator	2012-11-02	Final no updates expected
Results from experiments on Pseudo-nitzschia fraudulenta growth and domic acid productionunder varying CO2 and silicate levels (PhytoTM_in_HighCO2 project) Co-Principal Investigator	2012-11-02	Final no updates expected

Database

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David A. Hutchins

Activities reported for David A. Hutchins: