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Journal Article

Temperature thresholds of ecosystem respiration at a global scale

Authors

Johnston,  Alice S. A.
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Meade,  Andrew
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Ardö,  Jonas
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Arriga,  Nicola
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Black,  Andy
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Blanken,  Peter D.
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Bonal,  Damien
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Brümmer,  Christian
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Cescatti,  Alessandro
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Dušek,  Jiří
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Graf,  Alexander
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Gioli,  Beniamino
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Goded,  Ignacio
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Gough,  Christopher M.
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Ikawa,  Hiroki
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Jassal,  Rachhpal
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Kobayashi,  Hideki
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Magliulo,  Vincenzo
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Manca,  Giovanni
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Montagnani,  Leonardo
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Moyano,  Fernando E.
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Olesen,  Jørgen E.
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

/persons/resource/tsachs

Sachs,  T.
1.4 Remote Sensing, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
TERENO, Deutsches GeoForschungsZentrum;

Shao,  Changliang
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Tagesson,  Torbern
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Wohlfahrt,  Georg
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Wolf,  Sebastian
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Woodgate,  William
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Varlagin,  Andrej
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

Venditti,  Chris
External Organizations;
TERENO, Deutsches GeoForschungsZentrum;

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Citation

Johnston, A. S. A., Meade, A., Ardö, J., Arriga, N., Black, A., Blanken, P. D., Bonal, D., Brümmer, C., Cescatti, A., Dušek, J., Graf, A., Gioli, B., Goded, I., Gough, C. M., Ikawa, H., Jassal, R., Kobayashi, H., Magliulo, V., Manca, G., Montagnani, L., Moyano, F. E., Olesen, J. E., Sachs, T., Shao, C., Tagesson, T., Wohlfahrt, G., Wolf, S., Woodgate, W., Varlagin, A., Venditti, C. (2021): Temperature thresholds of ecosystem respiration at a global scale. - Nature Ecology & Evolution, 5, 487-494.
https://doi.org/10.1038/s41559-021-01398-z


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5005880
Abstract
Ecosystem respiration is a major component of the global terrestrial carbon cycle and is strongly influenced by temperature. The global extent of the temperature–ecosystem respiration relationship, however, has not been fully explored. Here, we test linear and threshold models of ecosystem respiration across 210 globally distributed eddy covariance sites over an extensive temperature range. We find thresholds to the global temperature–ecosystem respiration relationship at high and low air temperatures and mid soil temperatures, which represent transitions in the temperature dependence and sensitivity of ecosystem respiration. Annual ecosystem respiration rates show a markedly reduced temperature dependence and sensitivity compared to half-hourly rates, and a single mid-temperature threshold for both air and soil temperature. Our study indicates a distinction in the influence of environmental factors, including temperature, on ecosystem respiration between latitudinal and climate gradients at short (half-hourly) and long (annual) timescales. Such climatological differences in the temperature sensitivity of ecosystem respiration have important consequences for the terrestrial net carbon sink under ongoing climate change.