Impacts of urbanization on carbon balance in terrestrial ecosystems of the Southern United States

Environmental Pollution

Volumn 164, Issue , 2012, Pages 89-101

  Zhang, Chi ^a,b   Tian, Hanqin ^b   Chen, Guangsheng ^b   Chappelka, Arthur ^b   Xu, Xiaofeng ^b   Ren, Wei ^b   Hui, Dafeng ^b,c   Liu, Mingliang ^b   Lu, Chaoqun ^b   Pan, Shufen ^b   Lockaby, Graeme ^b  

^a XINJIANG INSTITUTE OF ECOLOGY AND GEOGRAPHY   (China)

^b AUBURN UNIVERSITY   (United States)

^c TENNESSEE STATE UNIVERSITY   (United States)

Author keywords

Carbon dynamics; Dynamic Land Ecosystem Model (DLEM); Land use change; The Southern United States; Urbanization

Indexed keywords

CARBON BALANCE; CARBON DYNAMICS; CARBON LOSS; CARBON SEQUESTRATION; CARBON STORAGE; ECOSYSTEM MODEL; LAND CONVERSION; LAND-USE CHANGE; PRIMARY FACTORS; SHRUBLANDS; TERRESTRIAL ECOSYSTEMS; THE SOUTHERN UNITED STATES; URBAN ECOSYSTEM; URBANIZATION; URBANIZATION IMPACT; VEGETATION TYPE;

DYNAMICS; ECOSYSTEMS; FORESTRY;

CARBON;

CARBON BALANCE; CARBON SEQUESTRATION; LAND USE CHANGE; TERRESTRIAL ECOSYSTEM; URBAN ECOSYSTEM; URBANIZATION; VEGETATION TYPE;

ARTICLE; BIOACCUMULATION; BIOMASS DISTRIBUTION; CARBON BALANCE; CARBON DYNAMICS; CARBON SEQUESTRATION; CARBON SOURCE; CARBON STORAGE; CONTROLLED STUDY; ENVIRONMENTAL IMPACT ASSESSMENT; ENVIRONMENTAL MONITORING; GEOGRAPHIC DISTRIBUTION; LAND USE; PROCESS DEVELOPMENT; PROCESS MODEL; SOIL FERTILIZATION; SPATIAL SOIL VARIABILITY; UNITED STATES; URBANIZATION; VEGETATION DYNAMICS;

CARBON; CARBON CYCLE; ECOSYSTEM; ENVIRONMENTAL MONITORING; KENTUCKY; MODELS, CHEMICAL; OKLAHOMA; SOUTHEASTERN UNITED STATES; TEXAS; URBANIZATION;

UNITED STATES;

EID: 84862776544     PISSN: 02697491     EISSN: 18736424     Source Type: Journal    
DOI: 10.1016/j.envpol.2012.01.020     Document Type: Article

References (95)

1. R.B. Alexander, and R.A. Smith County-level Estimates of Nitrogen and Phosphorus Fertilizer Use in the United States, 1945 to 1985 U.S. Geological Survey Open-File Report 1990 90-130 pp
2. R.J. Alig, J.D. Kline, and M. Lichtenstein Urbanization on the US landscape: looking ahead in the 21st century Landscape and Urban Planning 69 2004 219 234 (Pubitemid 38537100)
3. W. Bandaranayake, Y.L. Qian, W.J. Parton, D.S. Ojima, and R.F. Follett Estimation of soil organic carbon changes in turfgrass systems using the CENTURY model Agronomy Journal 95 2003 558 563 (Pubitemid 36684801)
4. D.N. Bengston, R.S. Potts, D.P. Fan, and E.G. Goetz An analysis of the public discourse about urban sprawl in the United States: monitoring concern about a major threat to forests Forest Policy and Economics 7 2005 745 756 (Pubitemid 41080608)
5. B.J.L. Berry Urbanization J.M. Marzluff, G. Bradley, E. Schulenberger, C. Ryan, W. Endlicher, U. Simon, M. Alberti, C. ZumBrunnen, Urban Ecology: An International Perspective on the Interaction Between Humans and Nature 2008 Springer New York 25 48
6. E.F. Brater Steps toward a better understanding of urban runoff processes Water Resources Research 4 1968 335 347
7. M. Burchfield, H.G. Overman, D. Puga, and M.A. Turner Causes of sprawl: a portrait from space Quarterly Journal of Economics 121 2006 587 633 (Pubitemid 43668215)
8. E. Burton Measuring urban compactness in UK towns and cities Environment and Planning B: Planning and Design 29 2002 219 250 (Pubitemid 34254220)
9. M.G.R. Cannell, R. Milne, and K.J. Hargraeves National inventories of terrestrial carbon sources and sinks: the U.K. Experience Climate Change 42 1999 505 530 (Pubitemid 29395759)
10. CIESIN, Center for International Earth Science Information Network Global Rural-Urban Mapping Project (GRUMPv1), Urban Extents 2004 http://sedac.ciesin. columbia.edu/gpw (last accessed 20.01.12.)
11. G. Chen, H. Tian, M. Liu, W. Ren, C. Zhang, and S. Pan Climate impacts on China's terrestrial carbon cycle: an assessment with the dynamic land ecosystem model H. Tian, Environmental Modelling and Simulation 2006 ACTA Press St. Thomas, USVI, USA 56 70
12. H. Chen, H. Tian, M. Liu, J.M. Melillo, S. Pan, and C. Zhang Effect of land-cover change on terrestrial carbon dynamics in the southern United States Journal of Environmental Quality 35 2006 1533 1547 (Pubitemid 44125847)
13. Chen, G., Tian, H., Zhang, C., Liu, M., Ren, W., Zhu, W., Chappelka, A., Prior, S.A., Lockaby, G.B., 2012. Drought in the Southern United States over the 20th century: variability and its impacts on terrestrial ecosystem productivity and carbon storage. Climatic Change, doi:10.1007/s10584-012-0410-z.
14. G. Churkina, D. Brown, and G. Keoleian Carbon stored in human settlements: the conterminous United States Global Change Biology 2009 doi:10.111/j.1365-2486.2009.02002.x (Online first)
15. J.P. Collins, A. Kinzig, N.B. Grimm, W.F. Fagan, D. Hope, J. Wu, and E.T. Borer A new urban ecology - modeling human communities as integral parts of ecosystems poses special problems for the development and testing of ecological theory American Scientist 88 2000 416 425
16. C.L. Dow, and D.R. DeWalle Trends in evapotranspiration and Bowen ration on urbanizing watersheds in eastern United States Water Resources Research 7 2000 1835 1843 (Pubitemid 30651198)
17. I.G. Enting, T.M.L. Wigley, and M. Heimann Future Emissions and Concentrations of Carbon Dioxide: Key Ocean/Atmosphere/Land Analyses CSIRO Division of Atmospheric Research Tech Paper No. 31 1994 Melbourne
18. J.G. Ehrenfeld Evaluating wetlands within an urban context Ecological Engineering 15 2000 253 265 (Pubitemid 30491536)
19. F. Escobedo, S. Varela, M. Zhao, J. Wagner, and W. Zipperer Analyzing the efficacy of subtropical urban forests in offsetting carbon emissions from cities Environmental Science and Policy 13 2010 362 372
20. J.H. Falk Energetics of a suburban lawn ecosystem Ecology 57 1976 141 150
21. J.H. Falk The primary productivity of lawns in a temperate environment Journal of Applied Ecology 17 1980 689 696
22. B. Felzer, D.W. Kicklighter, J.M. Melillo, C. Wang, Q. Zhuang, and R. Prinn Effects of ozone on net primary production and carbon sequestration in the conterminous United States using a biogeochemistry model Tellus 56B 2004 230 248 (Pubitemid 38904881)
23. G. Galster, R. Hanson, M.R. Ratcliffe, H. Wolman, S. Coleman, and J. Freihage Wrestling sprawl to the ground: defining and measuring an elusive concept Housing Policy Debate 12 4 2001 681 771
24. N.B. Grimm, J.M. Grove, S.T.A. Pickett, and C.L. Redman Integrated approaches to long-term studies of urban ecological systems BioScience 50 2000 571 584 (Pubitemid 30466994)
25. N.B. Grimm, S.H. Faeth, N.E. Golubiewski, C.L. Redman, J. Wu, X. Bai, and J.M. Briggs Global change and the ecology of cities Science 319 2008 756 760 (Pubitemid 351225834)
26. N.E. Golubiewski Urbanization increases grassland carbon pools: effects of landscaping in Colorado's front range Ecological Applications 16 2 2006 555 571 10.1890/1051-0761(2006)016[0555:UIGCPE]2.0.CO;2
27. P.M. Groffman, N.L. Law, K.T. Belt, L.E. Band, and G.T. Fisher Nitrogen fluxes and retention in urban watershed ecosystems Ecosystems 7 2004 393 403 (Pubitemid 38871381)
28. F.X. Han, M.J. Plodinec, Y. Su, D.L. Monts, and Z. Li Terrestrial carbon pools in South and south-central United States Climatic Change 2007 10.1007/s10584-007-9244-5 (Pubitemid 350104659)
29. C. Homer, C. Huang, L. Yang, B. Wylie, and M. Coan Development of a 2001 National Landcover Database for the United States Photogrammetric Engineering and Remote Sensing 70 2004 829 840 (Pubitemid 39081754)
30. C. Homer, J. Dewitz, J. Fry, M. Coan, N. Hossain, C. Larson, N. Herold, A. McKerrow, J.N. Van Driel, and J. Wickham Completion of the 2001 National Land Cover Database for the conterminous United States Photogrammetric Engineering and Remote Sensing 73 2007 337 341 (Pubitemid 46493665)
31. 2 to the atmosphere Ecological Monographs 53 1983 235 262
32. R.A. Houghton The annual net flux of carbon to the atmosphere from changes in land use 1850-1990 Tellus 51B 1999 298 313 (Pubitemid 29453863)
33. R.A. Houghton, J.L. Hackler, and K.T. Lawrence The U.S. carbon budget: contributions from land-use change Science 285 1999 574 578
34. M.L. Imhoff, C.J. Tucker, W.T. Lawrence, and D.C. Stutzer The use of multisource satellite and geospatial data to study the effect of urbanization on primary productivity in the United States IEEE Transactions on Geoscience and Remote Sensing 38 2000 2549 2556 (Pubitemid 33778231)
35. E.G. Jobbagy, and R.B. Jackson The vertical distribution of soil organic carbon and its relation to climate and vegetation Ecological Application 10 2000 423 436
36. G.D. Jenerette, J. Wu, N.B. Grimm, and D. Hope Points, patches, and regions: scaling soil biogeochemical patterns in an urbanized arid ecosystem Global Change Biology 12 2006 1532 1544 (Pubitemid 44028462)
37. J.P. Kaye, R.L. Mcculley, and I.C. Burke Carbon fluxes, nitrogen cycling, and soil microbial communities in adjacent urban, native and agricultural ecosystems Global Change Biology 11 2005 575 587 (Pubitemid 40560551)
38. J.P. Kaye, P.M. Groffman, N.B. Grimm, L.A. Baker, and R.V. Pouyat A distinct urban biogeochemistry? TRENDS in Ecology and Evolution 21 2006 192 199
39. B.A. Koerner, and J.M. Klopatek Carbon fluxes and nitrogen availability along an urban-rural gradient in a desert landscape Urban Ecosystems 13 1 2009 1 21 10.1007/s11252-009-0105-z
40. S.Y. Lee, R.J.K. Dunn, R.A. Young, R.M. Connolly, P.E.R. Dale, R. Dehayr, C.J. Lemckert, S. Mckinnon, B. Powell, P.R. Teasdale, and D.T. Welsh Impact of urbanization on coastal wetland structure and function Austral Ecology 31 2006 149 163 (Pubitemid 43325971)
41. W. Lin, T. Wu, C. Zhang, and T. Yu Carbon savings resulting from the cooling effect of green areas: a case study in Beijing Environmental Pollution 159 2011 2148 2154
42. M. Liu, H. Tian, G. Chen, W. Ren, C. Zhang, and J. Liu Effects of land use and land cover change on evapotranspiration and water yield in China during the 20th century Journal of the American Water Resources Association 44 2008 1193 1207
43. C.Q. Lu, H.Q. Tian, M. Liu, W. Ren, X. Xu, G. Chen, and C. Zhang Effect of nitrogen deposition on China's terrestrial carbon uptake in the context of multi-factor environmental changes Ecological Applications 2011 http://dx.doi.org/10.1890/10-1685.1
44. W.J. Manning Urban environment: defining its nature and problems and developing strategies to overcome obstacles to sustainability and quality of life Environmental Pollution 159 2011 1963 1964
45. 2, climate and land-use effects with four process-based ecosystem models Global Biogeochemical Cycles 15 2001 183 206 (Pubitemid 32430733)
46. E.G. McPherson, D. Nowak, G. Heisler, S. Grimmond, C. Souch, R. Grant, and R. Rowntree Quantifying urban forest structure, function, and value: the Chicago urban forest climate project Urban Ecosystem 1 1997 49 61
47. C. Milesi, C.D. Elvidge, R.R. Nemani, and S.W. Running Assessing the impact of urban land development on net primary productivity in the Southeastern United States Remote Sensing of Environment 86 2003 401 410 (Pubitemid 37143497)
48. C. Milesi, S.W. Running, C.D. Elvidge, J.B. Dietz, B.T. Tuttle, and R.R. Nemani Mapping and modeling the biogeochemical cycling of turf grasses in the United States Environmental Management 36 2005 426 438 (Pubitemid 41414138)
49. D.A. Miller, and R.A. White A Conterminous United States Multi-Layer Soil Characteristics Data Set for Regional Climate and Hydrology Modeling 1998 Earth Interactions 2, [Online] URL: EarthInteractions.org (last accessed in Jul. 2009)
50. J.L. Monteith Evaporation and the Environment. The State and Movement of Water in Living Organisms Symposium of the Society of Experimental Biologists, XIX 1965
51. J. Niemela Is there a need for a theory of urban ecology? Urban Ecosystems 3 1999 57 65
52. D.J. Nowak, and D.E. Crane The Urban Forest Effects (UFORE) Model: quantifying urban forest structure and functions M. Hansen, T. Burk, Integrated Tools for Natural Resources Inventories in the 21st Century, Proc. Of the IUFRO Conference USDA Forest Service General Technical Report NC-212 2000 North Central Research Station St. Paul, MN 714 720
53. D.J. Nowak, J.C. Stevens, S.M. Sisinni, and C.J. Luley Effects of urban tree management and species selection on atmospheric carbon dioxide Journal of Arboriculture 28 2002 113 121
54. D.J. Nowak, and D.E. Crane Carbon storage and sequestration by urban trees in the USA Environmental Pollution 116 2002 381 389 (Pubitemid 33095084)
55. D.J. Nowak Institutionalizing urban forestry as a " biotechnology" to improve environmental quality Urban Forestry & Urban Greening 5 2006 93 100 (Pubitemid 44094305)
56. K.W. Oleson, G.B. Bonan, J. Feddema, and M. Vertenstein An urban parameterization for a global climate model. 2. Sensitivity to input parameters and the simulated urban heat island in offline simulations Journal of Applied Meteorology and Climatology 47 2008 1061 1076
57. K.W. Oleson, G.B. Bonan, J. Feddema, M. Vertenstein, and C.S.B. Grimmond An urban parameterization for a global climate model. 1. Formulation and evaluation for two cities Journal of Applied Meteorology and Climatology 47 2008 1038 1060
58. D.E. Pataki, R.J. Alig, A.S. Fung, N.E. Golubiewski, C.A. Kennedy, E.G. McPherson, D.J. Nowak, R.V. Pouyat, and P.R. Lankao Urban ecosystems and the North American carbon cycle Global Change Biology 12 2006 2092 2102 (Pubitemid 44560721)
59. H.L. Penman Natural evaporation from open water, bare soil and grass Proceedings of the Royal Society of London, Series A 193 1948 120 148
60. Pew Center for Civic Journalism Pew Center for Civic Journalism, Straight Talk from Americans, 2000: National Survey Results 2000 Pew Foundation Washington, DC www.pewcenter.org/doingcj/research/r-ST2000.html (last accessed in Jul. 2009)
61. S.T.A. Pickett, M.L. Cadenasso, J.M. Grove, C.H. Nilon, R.V. Pouyat, W.C. Zipperer, and R. Costanza Urban ecological systems: linking terrestrial ecological, physical, and socioeconomic components of metropolitan areas Annual Review of Ecology and Systematics 32 2001 127 157 (Pubitemid 34043158)
62. S.T.A. Pickett, M.L. Cadenasso, J.M. Grove, P.M. Groffman, L.E. Band, C.G. Boone, W.R. Burch Jr., C. Grimmond, B. Susan, J. Hom, J.C. Jenkins, N.L. Law, C.H. Nilon, R.V. Pouyat, K. Szlavecz, P.S. Warren, and M.A. Wilson Beyond urban legends: an emerging framework of urban ecology as illustrated by the Baltimore Ecosystem Study BioScience 58 2008 139 150 (Pubitemid 351480929)
63. R.V. Pouyat, P. Groffman, I. Yesilonis, and L. Hernandez Soil carbon pools and fluxes in urban ecosystems Environmental Pollution 116 2002 S107 S118 (Pubitemid 34081802)
64. R.V. Pouyat, and M.M. Carreiro Controls on mass loss and nitrogen dynamics of oak leaf litter along an urban-rural land-use gradient Oecologia 135 2003 288 298 (Pubitemid 36530902)
65. R.V. Pouyat, P.M. Groffman, J. Russell-Anneli, and I. Yesilonis Soil carbon in urban forest ecosystems R. Lai, J. Kimble, R.F. Follett, R. Birdsey, Potential of United States Forest Soils to Sequester Carbon and Mitigate the Greenhouse Effect 2003 CRC Press Boca Raton (FL) 347 362
66. R.V. Pouyat, I.D. Yesilonis, and D.J. Nowak Carbon storage by urban soils in the United States Journal of Environmental Quality 35 2006 1566 1575 (Pubitemid 44125849)
67. R.V. Pouyat, I.D. Yesilonis, and N.E. Golubiewski A comparison of soil organic carbon stocks between residential turf grass and native soil Urban Ecosystem 12 2009 45 62
68. Y. Qian, and R.F. Follett Assessing soil carbon sequestration in turfgrass systems using long-term soil testing data Agronomy Journal 94 2002 930 935 (Pubitemid 34812763)
69. Y. Qian, W. Bandaranayake, W.J. Parton, B. Mecham, M.A. Harivandi, and A.R. Mosier Long-term effects of clipping and nitrogen management in turfgrass on soil organic carbon and nitrogen dynamics: the CENTURY model simulation Journal of Environmental Quality 32 2003 1694 1700 (Pubitemid 37174220)
70. J. Rappaport, and J.D. Sachs The United States as a coastal nation Journal of Economic Growth 8 2003 5 46 (Pubitemid 39130882)
71. W. Ren, H. Tian, M. Liu, C. Zhang, G. Chen, S. Pan, B. Felzer, and X. Xu Tropospheric ozone pollution and its influence on net primary productivity and carbon storage in terrestrial ecosystems of China Journal of Geophysical Research 112 2007 D22S09 10.1029/2007JD008521
72. 4 fluxes in China's croplands in response to multifactor environmental changes Tellus 63B 2011 222 240
73. W. Ren, H. Tian, B. Tao, A. Chappelka, G. Sun, C. Lu, M. Liu, G. Chen, and X. Xu Impacts of ozone pollution and climate change on net primary productivity and carbon storage of China's forest ecosystems as assessed by using a process-based ecosystem model Global Ecology and Biogeography 20 2011 391 406
74. B.C. Ruddy, D.L. Lorenz, and D.K. Mueller County-Level Estimates of Nutrient Inputs to the Land Surface of the Conterminous United States, 1982-2001 U.S. Geological Survey Scientific Investigations Report 2006-5012 2006 [Online]: pubs.usgs.gov/sir/2006/5012/ (last accessed in Jul. 2009)
75. A. Schneider, M.A. Friedl, and D. Potere Mapping global urban areas using MODIS 500-m data: new methods and datasets based on "urban ecoregions" Remote Sensing of Environment 114 8 2010 1733 1746 10.1016/j.rse.2010.03.003 Elsevier Inc
76. W.H. Schlesinger Biogeochemistry, An Analysis of Global Change 1997 Academic Press 159-163 pp
77. W. Shen, J. Wu, N.B. Grimm, and D. Hope Effects of urbanization-induced environmental changes on ecosystem functioning in the Phoenix metropolitan region, USA Ecosystems 11 2008 138 155
78. 2 and climate to carbon storage by ecosystems in the United States Science 287 2000 2004 2006 (Pubitemid 30158674)
79. S. Spatari, Z. Yu, and F.A. Montalto Life cycle implications of urban green infrastructure Environmental Pollution 159 2011 2174 2179
80. A. Svirejeva-Hopkins, and H. Schellnhuber Modelling carbon dynamics from urban land conversion: fundamental model of city in relation to a local carbon cycle Carbon Balance and Management 8 2006 10.1186/1750-0680-1-8 (Pubitemid 46736792)
81. A. Svirejeva-Hopkins, and H.J. Schellnhuber Urban expansion and its contribution to regional carbon emissions: using the model based on the population density distribution Ecological Modeling 216 2008 208 216
82. P.S. Thenkabail, C.M. Biradar, H. Turral, P. Noojipady, Y. Li, J. Vithanage, V. Dheeravath, M. Velpuri, M. Schull, X. Cai, R. Dutta, and M. Sadir An Irrigated Area Map of the World 2006 IWMI Research Report International Water Management Institute Colombo, Sri Lanka [Online]: www.iwmigiam.org (last accessed in Jul. 2009)
83. H. Tian, J.M. Melillo, D.W. Kicklighter, S. Pan, J. Liu, A.D. McGuire, and B. Moore III Regional carbon dynamics in monsoon Asia and its implications to the global carbon cycle Global and Planetary Change 37 2003 201 217 (Pubitemid 36708306)
84. H. Tian, X. Xu, C. Zhang, W. Ren, G. Chen, M. Liu, D. Lu, and S. Pan Forecasting and assessing the large-scale and long-term impacts of global environmental change on terrestrial ecosystems in the United States and China using an Integrated Regional Modeling Approach, large-scale and long-term case studies and methods S. Miao, S. Carstenn, M. Nungesser, Real World Ecology 2008 Springer New York 235 266
85. H.Q. Tian, G. Chen, M. Liu, C. Zhang, G. Sun, C. Lu, X. Xu, W. Ren, S. Pan, and A. Chappelka Model estimates of ecosystem net Primary productivity, evapotranspiration, and water use efficiency in the southern United States during 1895-2007 Forest Ecology and Management 259 2010 1311 1327
86. 2O fluxes in terrestrial ecosystems of North America during 1979-2008: application of a global biogeochemistry model Biogeosciences 7 2010 2673 2694
87. H.Q. Tian, J. Melillo, and C.Q. Lu Contributions of multiple global change factors to terrestrial carbon balance in China Global Biogeochemical Cycles 25 2011 GB1007 10.1029/2010GB003838
88. 2O between China's terrestrial ecosystems and the atmosphere and their contributions to global climate warming Journal of Geophysical Research 2011 10.1029/2010JG001393
89. K. Trusilova, and G. Churkina The response of the terrestrial biosphere to urbanization: land cover conversion, climate, and urban pollution Biogeosciences 5 2008 1505 1515
90. P.J. Waisanen, and N.B. Bliss Changes in population and agricultural land in conterminous United States counties, 1790 to 1997 Global Biogeochemical Cycles 16 2002 1137
91. D.N. Wear Land use D.N. Wear, J.G. Greis, Southern Forest Resource Assessment, Tech. Rep. GTR SRS-53 2002 USDA, For. Serv. Washington, DC 153 174 [Online]: www.srs.fs.usda.gov/sustain/report/ (last accessed in Jul. 2009)
92. C. Zhang, H. Tian, A. Chappelka, W. Ren, H. Chen, S. Pan, M. Liu, D.M. Styers, G. Chen, and Y. Wang Impacts of climatic and atmospheric changes on carbon dynamics in the Great Smoky Mountains Environmental Pollution 149 2007 336 347 (Pubitemid 47320901)
93. Zhang, C., 2008. Terrestrial Carbon Dynamics of Southern United States in Response to Changes in Climate, Atmosphere, and Land-use/Land-cover from 1895 to 2005. PhD dissertation, Auburn University, United States, 600pp. [Online]: etd.auburn.edu/etd/handle/10415/1098 (last accessed in Jul. 2009).
94. C. Zhang, H. Tian, S. Pan, M. Liu, G. Lockaby, E.B. Schilling, and J. Stanturf Effects of forest regrowth and urbanization on ecosystem carbon storage in a rural-urban gradient in the South US Ecosystems 11 2008 1211 1222
95. C. Zhang, H. Tian, Y. Wang, T. Zeng, and Y. Liu Predicting response of fuel load to future changes in climate and atmospheric composition in the Southern United States Forest Ecology and Management 2010 10.1016/j.foreco.2010. 05.012