Cited by 61Aquatic Ecosystems and Phytoplankton DynamicsMarine and coastal ecosystemsSoil and Water Nutrient Dynamics

Plasticity in algal stoichiometry: Experimental evidence of a temperature‐induced shift in optimal supply N:P ratio

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Thrane, Jan‐Erik, Hessen, Dag O., Andersen, Tom·2017·Limnology and Oceanography

Abstract

There is growing empirical and theoretical evidence for a positive relationship between the nitrogen (N)‐to‐phosphorus (P) ratio of phytoplankton and temperature. However, few have tested how the optimal supply N:P ratio; the dissolved N:P ratio at which nutrient limitation switches from one element to the other, responds to temperature. In this study, we conducted a factorial experiment crossing 12 temperature levels with 8 supply N:P ratios to determine the effect of temperature acclimation on the optimal supply N:P ratio of the microalgae Chlamydomonas reinhardtii. We found that the optimal supply N:P increased in a sigmoidal manner from 26.5 to 36.5 (atomic ratio) over a temperature gradient spanning from ∼10 to 18°C, with the steepest change around 15°C. This result is in accordance with trends observed for cellular and seston N:P ratios, and indicates that phytoplankton populations may be shifted toward N‐limitation in a scenario of warmer waters.

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Authors
Thrane, J., Hessen, D. O., & Andersen, T.
Affiliations
University of Oslo (NO)
Corresponding author
Thrane, Jan‐Erik
Venue
Limnology and Oceanography
Publisher
Wiley
Published
2017-03-03
Volume
62
Issue
4
Pages
1346-1354
ISSN
  • 0024-3590 (ISSN-L)
  • 1939-5590
OpenAlex
W2594769179
Cited by
61
References
44
Citations by year
2026: 4 · 2025: 9 · 2024: 6 · 2023: 6 · 2022: 7 · 2021: 10 · 2020: 5 · 2019: 6 · 2018: 4 · 2017: 4
FWCI
3.06
Type
journal article
Language
en
Open access
Locations
  • Limnology and Oceanography (publishedVersion, cc-by)
  • NORA - Norwegian Open Research Archives (submittedVersion, cc-by)
Funders
Universitetet i Oslo
Topics
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
  • Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and coastal ecosystems
  • Physical Sciences › Environmental Science › Environmental Chemistry › Soil and Water Nutrient Dynamics
Keywords
N:P ratio, thermal acclimation, Chlamydomonas reinhardtii, phytoplankton nutrient limitation, nitrogen limitation, microalgae

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