Atmospheric Nitrogen Deposition in Forest Ecosystems
A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Forest Meteorology and Climate Change".
Deadline for manuscript submissions: closed (15 August 2023) | Viewed by 373
Special Issue Editors
Interests: afforestation; boreal forest; carbon sequestration; atmospheric deposition
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Background:
Nitrogen deposition can have various effects depending on the load, the dominant chemical form and the type of ecosystem, having caused forest diebacks and various detrimental effects on surface water chemistry and aquatic communities in certain regions of the world, whereas, on the other hand, having fertilized and increased the carbon sink of nitrogen-limited forest ecosystems elsewhere.
In recent decades, however, nitrogen deposition, especially that of NOx, has decreased in most parts of the world, mostly due to a reduction in combustion emissions (industrial and transportation), thus, reducing nitrogen availability and increasing the reduced/oxidized nitrogen ratio of atmospheric deposition. Some consequences of these trends are still unknown.
Whereas, a few decades ago, research focused on understanding the response of forest ecosystems to increased chronic nitrogen inputs, one emerging question is now how and on what time scale will forest ecosystems respond to this rapid decrease in nitrogen deposition? As nitrogen deposition is known to affect biomass and soil processes, should we expect changes in carbon fluxes from forest ecosystems in the future? Will a change in chronic atmospheric nitrogen inputs interact with a changing climate? If so, how?
Aim and scope:
This Special Issue aims to integrate original research and reviews related, but not limited, to the following potential topics:
- Impact of nitrogen deposition on forest biodiversity, tree phenology and biomass production, as well as on soil processes (e.g., SOM mineralization), stoichiometry and carbon and nitrogen stocks.
- Effect of biological communities and the dominant deposited forms (oxidized vs. reduced, dry vs. wet and liquid vs. solid) on the retention of deposited nitrogen. Studies using stable isotopic methods to track deposited nitrogen throughout various compartments of forest ecosystems are welcome.
- Interaction between nitrogen deposition and climate change, and its impact on forest biomass production and nitrogen budgets.
- Effect of nitrogen deposition temporal patterns such as seasonality, and forest attributes on nitrogen retention caused by the canopy and on fluxes of various nitrogen forms through forest ecosystems. Studies dealing with dissolved organic nitrogen (DON) fluxes, and still overlooked nitrogen components, are welcome.
Dr. Charles Marty
Dr. Daniel Houle
Guest Editors
Manuscript Submission Information
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Keywords
- decreasing nitrate deposition
- nitrogen retention
- biodiversity
- nitrogen sequestration
- carbon sequestration
- soil stoichiometry
- surface water quality
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