Ecosystem Consequences of Changing Inputs of Terrestrial Dissolved Organic Matter to Lakes: Current Knowledge and Future Challenges

Lake ecosystems and the services that they provide to people are profoundly influenced by dissolved organic matter derived from terrestrial plant tissues. These terrestrial dissolved organic matter (tDOM) inputs to lakes have changed substantially in recent decades, and will likely continue to chang...

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Bibliographic Details
Published in:Ecosystems (New York) Vol. 18; no. 3; pp. 376 - 389
Main Authors: Solomon, Christopher T., Jones, Stuart E., Weidel, Brian C., Buffam, Ishi, Fork, Megan L., Karlsson, Jan, Larsen, Søren, Lennon, Jay T., Read, Jordan S., Sadro, Steven, Saros, Jasmine E.
Format: Journal Article
Language:English
Published: Boston Springer Science+Business Media 01.04.2015
Springer US
Springer
Springer Nature B.V
Subjects:
allochthonous
Aquatic ecosystems
Biological effects
Biomedical and Life Sciences
Comparative studies
Dissolution
dissolved organic carbon
Dissolved organic matter
Ecology
ecosystem
Ecosystem biology
Ecosystems
Environmental aspects
Environmental Management
Freshwater
Geoecology/Natural Processes
Hydrology
Hydrology/Water Resources
lake
Lakes
Life Sciences
Minireviews
people
Plant Sciences
Plant tissues
plants (botany)
prediction
review
Science
Surface water
terrestrial inputs
vironmental change
Watersheds
Zoology
New York
California
Indiana
United States > US
dissolved organic matter
allochthonous
ecosystem
review
environmental change
lake
terrestrial inputs
dissolved organic carbon
ISSN:1432-9840, 1435-0629, 1435-0629
Online Access:Get full text
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Summary:Lake ecosystems and the services that they provide to people are profoundly influenced by dissolved organic matter derived from terrestrial plant tissues. These terrestrial dissolved organic matter (tDOM) inputs to lakes have changed substantially in recent decades, and will likely continue to change. In this paper, we first briefly review the substantial literature describing tDOM effects on lakes and ongoing changes in tDOM inputs. We then identify and provide examples of four major challenges which limit predictions about the implications of tDOM change for lakes, as follows: First, it is currently difficult to forecast future tDOM inputs for particular lakes or lake regions. Second, tDOM influences ecosystems via complex, interacting, physical-chemical-biological effects and our holistic understanding of those effects is still rudimentary. Third, non-linearities and thresholds in relationships between tDOM inputs and ecosystem processes have not been well described. Fourth, much understanding of tDOM effects is built on comparative studies across space that may not capture likely responses through time. We conclude by identifying research approaches that may be important for overcoming those challenges in order to provide policy- and management-relevant predictions about the implications of changing tDOM inputs for lakes.
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ISSN:1432-9840
1435-0629
1435-0629
DOI:10.1007/s10021-015-9848-y