globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2013.06.028
Scopus记录号: 2-s2.0-84880420150
论文题名:
A simple tool for estimating throughfall nitrogen deposition in forests of western North America using lichens
作者: Root H.T.; Geiser L.H.; Fenn M.E.; Jovan S.; Hutten M.A.; Ahuja S.; Dillman K.; Schirokauer D.; Berryman S.; McMurray J.A.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2013
卷: 306
起始页码: 1
结束页码: 8
语种: 英语
英文关键词: Air quality ; Critical loads ; Lichens ; Nitrogen deposition ; Throughfall
Scopus关键词: Air pollution impact ; Areas of concerns ; Critical load ; Lichens ; Monitoring approach ; Mountainous terrain ; Nitrogen deposition ; Throughfall ; Air quality ; Estimation ; Forestry ; Management ; Managers ; Nitrogen ; Regression analysis ; Fungi ; air quality ; anthropogenic effect ; atmospheric deposition ; atmospheric pollution ; cost-benefit analysis ; critical load ; lichen ; nitrogen ; pollution monitoring ; throughfall ; Air Quality ; Deposition ; Fungi ; Lichens ; Loads ; Nitrogen ; Regression Analysis ; North America
英文摘要: Anthropogenic nitrogen (N) deposition has had substantial impacts on forests of North America. Managers seek to monitor deposition to identify areas of concern and establish critical loads, which define the amount of deposition that can be tolerated by ecosystems without causing substantial harm. We present a new monitoring approach that estimates throughfall inorganic N deposition from N concentration in lichens collected on site. Across 84 study sites in western North America with measured throughfall, a single regression model effectively estimated N deposition from lichen N concentration with an R2 of 0.58 and could be improved with the addition of climate covariates including precipitation seasonality and temperature in the wettest quarter to an R2 of 0.74. By restricting the model to the more intensively sampled region including Oregon, Washington, and California, the R2 increased to 0.77. Because lichens are readily available, analysis is cost-effective, and accuracy is unaffected by mountainous terrain, this method allows development of deposition estimates at sites across broad spatial and topographic scales. Our approach can allow land managers to identify areas at risk of N critical load exceedance, which can be used for planning and management of air pollution impacts. © 2013.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/66432
Appears in Collections:影响、适应和脆弱性

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作者单位: USDA Forest Service Pacific Northwest Air Resource Management Program, 3200 SW Jefferson Way, Corvallis, OR 97331, United States; USDA Forest Service, PSW Research Station, 4955 Canyon Crest Drive, Riverside, CA 92507, United States; USDA Forest Service, Portland Forestry Sciences Lab., 620 SW Main St. Suite 400, Portland, OR 97205, United States; USDI National Park Service, Lassen Volcanic National Park, 38050 Hwy 36 E, Mineral, CA 96063, United States; Regional Fire and Aviation Office, 3237 Peacekeeper Way, McClellan, CA 95652, United States; Tongass National Forest, Po Box 309, Petersburg, AK 99833, United States; Denali National Park and Preserve, Po Box 9, Denali Park, AK 99755, United States; Integral Ecology Group, 1426 Santa Cruz Drive, Santa Fe, NM 87505, United States; USDA Forest Service, Northern and Intermountain Air Resource Management Program, Bozeman, MT 59711, United States

Recommended Citation:
Root H.T.,Geiser L.H.,Fenn M.E.,et al. A simple tool for estimating throughfall nitrogen deposition in forests of western North America using lichens[J]. Forest Ecology and Management,2013-01-01,306
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