A global seasonal surface ocean climatology of phytoplankton types based on CHEMTAX analysis of HPLC pigments

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Author(s) Swan, Chantal M., Vogt, Meike, Gruber, Nicolas, Laufkoetter, Charlotte
Publication Type Journal Items, Publication Status: Published
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Title A global seasonal surface ocean climatology of phytoplankton types based on CHEMTAX analysis of HPLC pigments
Author(s) Swan, Chantal M.
Vogt, Meike
Gruber, Nicolas
Laufkoetter, Charlotte
Journal or Series Title Deep Sea Research Part I. Oceanographic Research Papers
Volume Number 109
Start Page 137
End Page 156
ISSN 0967-0637
0198-0149
Publisher Elsevier
Publication Place Kidlington
Publication Date 2016-03
Keyword(s) Phytoplankton
Global
Climatology
HPLC
Pigments
Chemotaxonomy
CHEMTAX
Abstract Much advancement has been made in recent years in field data assimilation, remote sensing and ecosystem modeling, yet our global view of phytoplankton biogeography beyond chlorophyll biomass is still a cursory taxonomic picture with vast areas of the open ocean requiring field validations. High performance liquid chromatography (HPLC) pigment data combined with inverse methods offer an advantage over many other phytoplankton quantification measures by way of providing an immediate perspective of the whole phytoplankton community in a sample as a function of chlorophyll biomass. Historically, such chemotaxonomic analysis has been conducted mainly at local spatial and temporal scales in the ocean. Here, we apply a widely tested inverse approach, CHEMTAX, to a global climatology of pigment observations from HPLC. This study marks the first systematic and objective global application of CHEMTAX, yielding a seasonal climatology comprised of ~1500 1°×1° global grid points of the major phytoplankton pigment types in the ocean characterizing cyanobacteria, haptophytes, chlorophytes, cryptophytes, dinoflagellates, and diatoms, with results validated against prior regional studies where possible. Key findings from this new global view of specific phytoplankton abundances from pigments are a) the large global proportion of marine haptophytes (comprising 32±5% of total chlorophyll), whose biogeochemical functional roles are relatively unknown, and b) the contrasting spatial scales of complexity in global community structure that can be explained in part by regional oceanographic conditions. The results are publically accessible via doi.pangaea.de/10.1594/PANGAEA.855412, and will guide future parameterizations of marine ecosystem models exploring the link between phytoplankton community structure and marine biogeochemical cycles.
DOI 10.1016/j.dsr.2015.12.002
Additional Notes Published online 4 December 2015
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03731
Organisational Unit(s)
NEBIS System Number 000944022
Source Database ID FORM-1450361383
SCOPUS-84957850242
WOS-000371364300011
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@article{Swn2016,
  author = "Swan, Chantal M. and Vogt, Meike and Gruber, Nicolas and Laufkoetter, Charlotte",
  title = "{A} global seasonal surface ocean climatology of phytoplankton types based on {C}{H}{E}{M}{T}{A}{X} analysis of {H}{P}{L}{C} pigments",
  journal = "Deep Sea Research Part I. Oceanographic Research Papers",
  year = 2016,
  volume = "109",
  pages = "137--156",
  month = mar,
}


E-Citations record created: Thu, 17 Dec 2015, 14:09:58 CET