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Roadmaps and Detours: Active Chlorophyll-a Assessments of Primary Productivity Across Marine and Freshwater Systems

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388971%3A_____%2F18%3A00499409" target="_blank" >RIV/61388971:_____/18:00499409 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1021/acs.est.8b03488" target="_blank" >http://dx.doi.org/10.1021/acs.est.8b03488</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1021/acs.est.8b03488" target="_blank" >10.1021/acs.est.8b03488</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Roadmaps and Detours: Active Chlorophyll-a Assessments of Primary Productivity Across Marine and Freshwater Systems

  • Original language description

    Assessing phytoplankton productivity over space and time remains a core goal for oceanographers and limnologists. Fast Repetition Rate fluorometry (FRRf) provides a potential means to realize this goal with unprecedented resolution and scale yet has not become the 'go-to' method despite high expectations. A major obstacle is difficulty converting electron transfer rates to equivalent rates of C-fixation most relevant for studies of biogeochemical C-fluxes. Such difficulty stems from methodological inconsistencies and our limited understanding of how the electron requirement for C-fixation (Phi(e,c)) is influenced by the environment and by differences in the composition and physiology of phytoplankton assemblages. We outline a 'roadmap' for limiting methodological bias and to develop a more mechanistic understanding of the ecophysiology underlying (Phi(e,c). We 1) re-evaluate core physiological processes governing how microalgae invest photosynthetic electron transport-derived energy and reductant into stored carbon versus alternative sinks. Then, we 2) outline steps to facilitate broader uptake and exploitation of FRRf, which could transform our knowledge of aquatic primary productivity. We argue it is time to 3) revise our historic methodological focus on carbon as the currency of choice, to 4) better appreciate that electron transport fundamentally drives ecosystem biogeochemistry, modulates cell-to-cell interactions, and ultimately modifies community biomass and structure.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20707 - Ocean engineering

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Environmental Science & Technology Letters

  • ISSN

    2328-8930

  • e-ISSN

  • Volume of the periodical

    52

  • Issue of the periodical within the volume

    21

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    16

  • Pages from-to

    12039-12054

  • UT code for WoS article

    000449722200009

  • EID of the result in the Scopus database

    2-s2.0-85054704839