Aarhus University Seal / Aarhus Universitets segl

Erik Jeppesen

Effects of trophic status, water level, and temperature on shallow lake metabolism and metabolic balance: A standardized pan-European mesocosm experiment

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Standard

Effects of trophic status, water level, and temperature on shallow lake metabolism and metabolic balance : A standardized pan-European mesocosm experiment. / Scharfenberger, Ulrike; Jeppesen, Erik; Beklioğlu, Meryem; Søndergaard, Martin; Angeler, David G; Cakiroglu, Ayse Idil; Drakare, Stina; Hejzlar, Josef; Mahdy, Aldoushy ; Papastergiadou, Eva; Sorf, Michal; Stefanidis, Konstantinos; Tuvikene, Arvo; Zingel, Priit; Adrian, Rita.

In: Limnology and Oceanography, Vol. 64, No. 2, 03.2019, p. 616-631.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Harvard

Scharfenberger, U, Jeppesen, E, Beklioğlu, M, Søndergaard, M, Angeler, DG, Cakiroglu, AI, Drakare, S, Hejzlar, J, Mahdy, A, Papastergiadou, E, Sorf, M, Stefanidis, K, Tuvikene, A, Zingel, P & Adrian, R 2019, 'Effects of trophic status, water level, and temperature on shallow lake metabolism and metabolic balance: A standardized pan-European mesocosm experiment', Limnology and Oceanography, vol. 64, no. 2, pp. 616-631. https://doi.org/10.1002/lno.11064

APA

Scharfenberger, U., Jeppesen, E., Beklioğlu, M., Søndergaard, M., Angeler, D. G., Cakiroglu, A. I., Drakare, S., Hejzlar, J., Mahdy, A., Papastergiadou, E., Sorf, M., Stefanidis, K., Tuvikene, A., Zingel, P., & Adrian, R. (2019). Effects of trophic status, water level, and temperature on shallow lake metabolism and metabolic balance: A standardized pan-European mesocosm experiment. Limnology and Oceanography, 64(2), 616-631. https://doi.org/10.1002/lno.11064

CBE

Scharfenberger U, Jeppesen E, Beklioğlu M, Søndergaard M, Angeler DG, Cakiroglu AI, Drakare S, Hejzlar J, Mahdy A, Papastergiadou E, Sorf M, Stefanidis K, Tuvikene A, Zingel P, Adrian R. 2019. Effects of trophic status, water level, and temperature on shallow lake metabolism and metabolic balance: A standardized pan-European mesocosm experiment. Limnology and Oceanography. 64(2):616-631. https://doi.org/10.1002/lno.11064

MLA

Vancouver

Author

Scharfenberger, Ulrike ; Jeppesen, Erik ; Beklioğlu, Meryem ; Søndergaard, Martin ; Angeler, David G ; Cakiroglu, Ayse Idil ; Drakare, Stina ; Hejzlar, Josef ; Mahdy, Aldoushy ; Papastergiadou, Eva ; Sorf, Michal ; Stefanidis, Konstantinos ; Tuvikene, Arvo ; Zingel, Priit ; Adrian, Rita. / Effects of trophic status, water level, and temperature on shallow lake metabolism and metabolic balance : A standardized pan-European mesocosm experiment. In: Limnology and Oceanography. 2019 ; Vol. 64, No. 2. pp. 616-631.

Bibtex

@article{0ed63bd79d054d1abc928e7d8ef29491,
title = "Effects of trophic status, water level, and temperature on shallow lake metabolism and metabolic balance: A standardized pan-European mesocosm experiment",
abstract = "Important drivers of gross primary production (GPP) and ecosystem respiration (ER) in lakes are temperature, nutrients, and light availability, which are predicted to be affected by climate change. Little is known about how these three factors jointly influence shallow lakes metabolism and metabolic status as net heterotrophic or autotrophic. We conducted a pan-European standardized mesocosm experiment covering a temperature gradient from Sweden to Greece to test the differential temperature sensitivity of GPP and ER at two nutrient levels (mesotrophic or eutrophic) crossed with two water levels (1 m and 2 m) to simulate different light regimes. The findings from our experiment were compared with predictions made according the metabolic theory of ecology (MTE). GPP and ER were significantly higher in eutrophic mesocosms than in mesotrophic ones, and in shallow mesocosms compared to deep ones, while nutrient status and depth did not interact. The estimated temperature gains for ER of ~ 0.62 eV were comparable with those predicted by MTE. Temperature sensitivity for GPP was slightly higher than expected ~ 0.54 eV, but when corrected for daylight length, it was more consistent with predictions from MTE ~ 0.31 eV. The threshold temperature for the switch from autotrophy to heterotrophy was lower under mesotrophic (~ 11°C) than eutrophic conditions (~ 20°C). Therefore, despite a lack of significant temperature-treatment interactions in driving metabolism, the mesocosm's nutrient level proved to be crucial for how much warming a system can tolerate before it switches from net autotrophy to net heterotrophy.",
keywords = "ACCLIMATION, CLIMATE-CHANGE, CO2 EMISSIONS, DEPENDENCE, ECOSYSTEM, GLOBAL CARBON-CYCLE, NET HETEROTROPHY, NUTRIENTS, PHOTOSYNTHESIS, PLANT RESPIRATION",
author = "Ulrike Scharfenberger and Erik Jeppesen and Meryem Beklioğlu and Martin S{\o}ndergaard and Angeler, {David G} and Cakiroglu, {Ayse Idil} and Stina Drakare and Josef Hejzlar and Aldoushy Mahdy and Eva Papastergiadou and Michal Sorf and Konstantinos Stefanidis and Arvo Tuvikene and Priit Zingel and Rita Adrian",
year = "2019",
month = mar,
doi = "10.1002/lno.11064",
language = "English",
volume = "64",
pages = "616--631",
journal = "Limnology and Oceanography",
issn = "0024-3590",
publisher = "JohnWiley & Sons, Inc.",
number = "2",

}

RIS

TY - JOUR

T1 - Effects of trophic status, water level, and temperature on shallow lake metabolism and metabolic balance

T2 - A standardized pan-European mesocosm experiment

AU - Scharfenberger, Ulrike

AU - Jeppesen, Erik

AU - Beklioğlu, Meryem

AU - Søndergaard, Martin

AU - Angeler, David G

AU - Cakiroglu, Ayse Idil

AU - Drakare, Stina

AU - Hejzlar, Josef

AU - Mahdy, Aldoushy

AU - Papastergiadou, Eva

AU - Sorf, Michal

AU - Stefanidis, Konstantinos

AU - Tuvikene, Arvo

AU - Zingel, Priit

AU - Adrian, Rita

PY - 2019/3

Y1 - 2019/3

N2 - Important drivers of gross primary production (GPP) and ecosystem respiration (ER) in lakes are temperature, nutrients, and light availability, which are predicted to be affected by climate change. Little is known about how these three factors jointly influence shallow lakes metabolism and metabolic status as net heterotrophic or autotrophic. We conducted a pan-European standardized mesocosm experiment covering a temperature gradient from Sweden to Greece to test the differential temperature sensitivity of GPP and ER at two nutrient levels (mesotrophic or eutrophic) crossed with two water levels (1 m and 2 m) to simulate different light regimes. The findings from our experiment were compared with predictions made according the metabolic theory of ecology (MTE). GPP and ER were significantly higher in eutrophic mesocosms than in mesotrophic ones, and in shallow mesocosms compared to deep ones, while nutrient status and depth did not interact. The estimated temperature gains for ER of ~ 0.62 eV were comparable with those predicted by MTE. Temperature sensitivity for GPP was slightly higher than expected ~ 0.54 eV, but when corrected for daylight length, it was more consistent with predictions from MTE ~ 0.31 eV. The threshold temperature for the switch from autotrophy to heterotrophy was lower under mesotrophic (~ 11°C) than eutrophic conditions (~ 20°C). Therefore, despite a lack of significant temperature-treatment interactions in driving metabolism, the mesocosm's nutrient level proved to be crucial for how much warming a system can tolerate before it switches from net autotrophy to net heterotrophy.

AB - Important drivers of gross primary production (GPP) and ecosystem respiration (ER) in lakes are temperature, nutrients, and light availability, which are predicted to be affected by climate change. Little is known about how these three factors jointly influence shallow lakes metabolism and metabolic status as net heterotrophic or autotrophic. We conducted a pan-European standardized mesocosm experiment covering a temperature gradient from Sweden to Greece to test the differential temperature sensitivity of GPP and ER at two nutrient levels (mesotrophic or eutrophic) crossed with two water levels (1 m and 2 m) to simulate different light regimes. The findings from our experiment were compared with predictions made according the metabolic theory of ecology (MTE). GPP and ER were significantly higher in eutrophic mesocosms than in mesotrophic ones, and in shallow mesocosms compared to deep ones, while nutrient status and depth did not interact. The estimated temperature gains for ER of ~ 0.62 eV were comparable with those predicted by MTE. Temperature sensitivity for GPP was slightly higher than expected ~ 0.54 eV, but when corrected for daylight length, it was more consistent with predictions from MTE ~ 0.31 eV. The threshold temperature for the switch from autotrophy to heterotrophy was lower under mesotrophic (~ 11°C) than eutrophic conditions (~ 20°C). Therefore, despite a lack of significant temperature-treatment interactions in driving metabolism, the mesocosm's nutrient level proved to be crucial for how much warming a system can tolerate before it switches from net autotrophy to net heterotrophy.

KW - ACCLIMATION

KW - CLIMATE-CHANGE

KW - CO2 EMISSIONS

KW - DEPENDENCE

KW - ECOSYSTEM

KW - GLOBAL CARBON-CYCLE

KW - NET HETEROTROPHY

KW - NUTRIENTS

KW - PHOTOSYNTHESIS

KW - PLANT RESPIRATION

U2 - 10.1002/lno.11064

DO - 10.1002/lno.11064

M3 - Journal article

VL - 64

SP - 616

EP - 631

JO - Limnology and Oceanography

JF - Limnology and Oceanography

SN - 0024-3590

IS - 2

ER -