PuSH - Publikationsserver des Helmholtz Zentrums München

Export: TXT Text RIS Endnote (RIS) BIB BibTeX
Braun, A. ; Spona-Friedl, M. ; Avramov, M. ; Elsner, M. ; Baltar, F.* ; Reinthaler, T.* ; Herndl, G.J.* ; Griebler, C.

Reviews and syntheses: Heterotrophic fixation of inorganic carbon - Significant but invisible flux in environmental carbon cycling.

Biogeosciences 18, 3689-3700 (2021)
Verlagsversion DOI
Open Access Gold
Creative Commons Lizenzvertrag
Heterotrophic CO2 fixation is a significant yet underappreciated CO2 flux in environmental carbon cycling. In contrast to photosynthesis and chemolithoautotrophy - the main recognized autotrophic CO2 fixation pathways - the importance of heterotrophic CO2 fixation remains enigmatic. All heterotrophs - from microorganisms to humans - take up CO2 and incorporate it into their biomass. Depending on the availability and quality of growth substrates, and drivers such as the CO2 partial pressure, heterotrophic CO2 fixation contributes at least 1%-5% and in the case of methanotrophs up to 50% of the carbon biomass. Assuming a standing stock of global heterotrophic biomass of 47-85PgC, we roughly estimate that up to 5PgC might be derived from heterotrophic CO2 fixation, and up to 12PgCyr-1 originating from heterotrophic CO2 fixation is funneled into the global annual heterotrophic production of 34-245PgCyr-1. These first estimates on the importance of heterotrophic fixation of inorganic carbon indicate that this pathway should be incorporated in present and future carbon cycling budgets.
Impact Factor
Scopus SNIP
Altmetric
4.295
1.306
Tags
Anmerkungen
Besondere Publikation
Auf Hompepage verbergern

Zusatzinfos bearbeiten
Eigene Tags bearbeiten
Privat
Eigene Anmerkung bearbeiten
Privat
Auf Publikationslisten für
Homepage nicht anzeigen
Als besondere Publikation
markieren
Publikationstyp Artikel: Journalartikel
Dokumenttyp Review
Schlagwörter Introduced Organic-compounds; Dark Co2 Fixation; Dioxide Fixation; Bicarbonate Assimilation; Bacterial-populations; Water Column; Groundwater; Ocean; Growth; Respiration
Sprache englisch
Veröffentlichungsjahr 2021
HGF-Berichtsjahr 2021
ISSN (print) / ISBN 1726-4170
e-ISSN 1726-4189
Zeitschrift Biogeosciences
Quellenangaben Band: 18, Heft: 12, Seiten: 3689-3700 Artikelnummer: , Supplement: ,
Verlag Copernicus
Verlagsort Göttingen
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Groundwater Ecology (IGOE)
POF Topic(s) 20403 - Sustainable Water Management
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504300-002
G-504390-001
Förderungen Helmholtz Center Munich
Austrian Science Fund
European Research Council under the European Community
Wittgenstein Prize (Austrian Science Fund)
DOI 10.5194/bg-18-3689-2021
WOS ID WOS:000665503100001
Scopus ID 85108402371
Erfassungsdatum 2021-07-02
[➜Korrektur melden]