Controls on lake pelagic primary productivity: Formalizing the nutrient-color paradigm
JGR Biogeosciences
By: Isabella Oleksy, Christopher T. Solomon, Stuart E. Jones, Carly Olson, Brittni Bertolet, Rita Adrian, Sheel Bansal, Jill Baron, Soren Brothers, Sudeep Chandra, Hsiu-Mei Chou, William Colom-Montero, Joshua Culpeper, Elvira de Eyto, Matthew Farragher, Sabine Hilt, Kristen T. Holeck, Garabet Kazanjian, Marcus Klaus, Jennifer Klug, Jan Köhler, Alo Laas, Erik Lundin, Alice Parkes, Kevin C. Rose, Lars Rustam, James A. Rusak, Facundo Scordo, Michael J. Vanni, Piet Verburg, and Gesa A. Weyhenmeyer
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Abstract
Understanding controls on primary productivity is essential for describing ecosystems and their responses to environmental change. Lake primary production is strongly controlled by inputs of nutrients and colored dissolved organic matter. While past studies have developed mathematical models of this nutrient-color paradigm, broad empirical tests of these models are scarce. We used data from 58 diverse and globally distributed temperate lakes to test such a model and improve understanding and prediction of the controls on lake primary production. These lakes varied widely in size (0.02-2300 km2), pelagic gross primary production (20-8000 mg C m-2 d-1), and other characteristics. Across these diverse systems, and given relatively limited inputs, model predictions of primary production were highly correlated with observed values derived from high-frequency sensor data. Our analysis provides a model structure, including calibrated parameter estimates, that may be broadly useful for understanding current and future patterns in lake primary production.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Controls on lake pelagic primary productivity: Formalizing the nutrient-color paradigm |
| Series title | JGR Biogeosciences |
| DOI | 10.1029/2024JG008140 |
| Volume | 129 |
| Issue | 12 |
| Year Published | 2024 |
| Language | English |
| Publisher | American Geophysical Union |
| Contributing office(s) | Fort Collins Science Center |
| Description | e2024JG008140, 15 p. |
| Google Analytic Metrics | Metrics page |