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Response of lake me...
Response of lake metabolism to catchment inputs inferred using high-frequency lake and stream data from across the northern hemisphere
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- Corman, Jessica R. (author)
- School of Natural Resources, University of Nebraska–Lincoln, NE, Lincoln, United States
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- Zwart, Jacob A. (author)
- Integrated Information Dissemination Division, U.S. Geological Survey, CA, San Francisco, United States
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- Klug, Jennifer (author)
- Biology Department, Fairfield University, CT, Fairfield, United States
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- Bruesewitz, Denise A. (author)
- Environmental Studies Department, Colby College, ME, Waterville, United States
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- de Eyto, Elvira (author)
- Fisheries Ecosystems Advisory Service, Marine Institute, Newport, Co. Mayo, Ireland
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- Klaus, Marcus (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management
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- Knoll, Lesley B. (author)
- Department of Biology, Miami University, OH, Oxford, United States
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- Rusak, James A. (author)
- Dorset Environmental Science Centre, Ontario Ministry of the Environment, Conservation and Parks, ON, Dorset, Canada; Biology Department, Queen's University, ON, Kingston, Canada
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- Vanni, Michael J. (author)
- Department of Biology, Miami University, OH, Oxford, United States
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- Alfonso, María Belén (author)
- Research Institute for Applied Mechanics, Kyushu University, Fukuoka Prefecture, Kasuga, Japan
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- Fernandez, Rocio Luz (author)
- National Scientific and Technical Research Council (CONICET), Santa Fe, Argentina
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- Yao, Huaxia (author)
- Inland Waters Unit, Ontario Ministry of the Environment, Conservation and Parks, ON, Dorset, Canada
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- Austnes, Kari (author)
- Section for Catchment Biogeochemistry, Norwegian Institute for Water Research, Oslo, Norway
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- Couture, Raoul-Marie (author)
- Department of Chemistry, Centre d'Études Nordiques, Université Laval, QC, Quebec, Canada
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- de Wit, Heleen A. (author)
- Section for Catchment Biogeochemistry, Norwegian Institute for Water Research, Oslo, Norway
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- Karlsson, Jan, 1974- (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
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- Laas, Alo (author)
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Tartu, Estonia
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School of Natural Resources, University of Nebraska–Lincoln, NE, Lincoln, United States Integrated Information Dissemination Division, US. Geological Survey, CA, San Francisco, United States (creator_code:org_t)
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- John Wiley & Sons, 2023
- 2023
- English.
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In: Limnology and Oceanography. - : John Wiley & Sons. - 0024-3590 .- 1939-5590. ; 68:12, s. 2617-2631
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Abstract
Subject headings
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- In lakes, the rates of gross primary production (GPP), ecosystem respiration (R), and net ecosystem production (NEP) are often controlled by resource availability. Herein, we explore how catchment vs. within lake predictors of metabolism compare using data from 16 lakes spanning 39°N to 64°N, a range of inflowing streams, and trophic status. For each lake, we combined stream loads of dissolved organic carbon (DOC), total nitrogen (TN), and total phosphorus (TP) with lake DOC, TN, and TP concentrations and high frequency in situ monitoring of dissolved oxygen. We found that stream load stoichiometry indicated lake stoichiometry for C : N and C : P (r2 = 0.74 and r2 = 0.84, respectively), but not for N : P (r2 = 0.04). As we found a strong positive correlation between TN and TP, we only used TP in our statistical models. For the catchment model, GPP and R were best predicted by DOC load, TP load, and load N : P (R2 = 0.85 and R2 = 0.82, respectively). For the lake model, GPP and R were best predicted by TP concentrations (R2 = 0.86 and R2 = 0.67, respectively). The inclusion of N : P in the catchment model, but not the lake model, suggests that both N and P regulate metabolism and that organisms may be responding more strongly to catchment inputs than lake resources. Our models predicted NEP poorly, though it is unclear why. Overall, our work stresses the importance of characterizing lake catchment loads to predict metabolic rates, a result that may be particularly important in catchments experiencing changing hydrologic regimes related to global environmental change.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
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- By the author/editor
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Corman, Jessica ...
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Zwart, Jacob A.
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Klug, Jennifer
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Bruesewitz, Deni ...
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de Eyto, Elvira
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Klaus, Marcus
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show more...
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Knoll, Lesley B.
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Rusak, James A.
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Vanni, Michael J ...
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Alfonso, María B ...
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Fernandez, Rocio ...
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Yao, Huaxia
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Austnes, Kari
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Couture, Raoul-M ...
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de Wit, Heleen A ...
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Karlsson, Jan, 1 ...
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Laas, Alo
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Oceanography Hyd ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Ecology
- Articles in the publication
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Limnology and Oc ...
- By the university
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Umeå University
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Swedish University of Agricultural Sciences