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 Determining Sources of Nitrogen Pollution using Lichens in the Wind River Range Bailey Terry 1, David Williams 1, and Shannon E. Albeke 2 1 Department.

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Presentation on theme: " Determining Sources of Nitrogen Pollution using Lichens in the Wind River Range Bailey Terry 1, David Williams 1, and Shannon E. Albeke 2 1 Department."— Presentation transcript:

1  Determining Sources of Nitrogen Pollution using Lichens in the Wind River Range Bailey Terry 1, David Williams 1, and Shannon E. Albeke 2 1 Department of Ecosystem Science and Management and 2 Wyoming Geographic Information Science Center (WyGISC) University of Wyoming

2 Western Wyoming  National Forests and Parks  Oil and Gas Industry Ozone spikes of 166 ppm Standard 75 ppm Parkcamper.com & http://www.blackdiamondoutfitting.com

3 Atmospheric Nitrogen  80% N 2  NH x, NO x  Eutrophication http://www.soil-net.com/album/Water/Lakes_Rivers/slides/Eutrophication%2001.html http://www.soil-net.com/album/Water/Lakes_Rivers/slides/Eutrophication%2001.html

4 Sources of Nitrogen Pollution  Mitigates efforts  Industry  Agriculture  Sensors  Natural indicator?

5 Lichens  Algae and Fungus  Environmental Sponge  Occur almost everywhere

6 Objectives  Do lichens indicate amounts and sources of pollutions?  Will lichens show significant nitrogen deposition from Oil and Gas development?

7 Isotope Signatures  High δ 15 N from industry  More negative δ 15 N Agriculture Power10solutions.com

8 Study Area  Pinedale Anticline Pinedale

9 Samples Letharia vulpina Usnea lapponica http://naturechronicles.files.wordpress.com/2013/02/s ized_usnea-species-hair-lichens-moss-on-red-alder- 11-copy.jpg?w=604&h=524

10 Analysis  Isotope Analysis  %N  δ 15 N  C:N ratio  Locality  Relationship to Bulk Deposition UW Stable Isotope Facility

11 Green River Boulder Lake Freemont Lake Pinedale Key -14 -12 -10 -8 -6

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16 Conclusion  Lichens show atmospheric N amounts  Slight trend for No x  Continued research, and isotope trend could be found

17 Acknowledgements  Dave Williams  Shannon Albeke  William’s Lab Group

18 References  Bragazza, L. et al. 2005. Nitrogen concentration and d15N signature of ombrotrophic Sphagnum mosses at different N deposition levels in Europe. Global Change Biology 11; 106- 114. DOI 10.1111/j.1365-2486.2004.00886.x  McMurray, J et al. 2013. Using Epiphytic Lichens to Monitor Nitrogen Deposition Near Natural Gas Drilling Operations in the Wind River Range, WY, USA. Water Air Soil Pollut 224:1487. DOI 10.1007/s11270-013-1487-3

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