References
-
Bedard-Haughn, A., J.W. van Groenigenand, and C. van Kessel. 2003. Tracing
$^15$ N through landscapes: potential uses and precautions. J. Hydrol. 272:175-190 https://doi.org/10.1016/S0022-1694(02)00263-9 - Bukata, A.R., and T.K. Kyser. 2007. Carbon and nitrogen isotope variations in tree-rings as records of perturbations in regional carbon and nitrogen cycles. Environ. Sci. Technol. 41:1331-1338 https://doi.org/10.1021/es061414g
-
Chang, S.X., and L.L. Handley. 2000. Site history affects soil and plant
$^{15}$ N natural abundances$({\delta}^{15}N)$ in forests of northern Vancouver Island, British Columbia. Funct. Ecol. 14:273-280 https://doi.org/10.1046/j.1365-2435.2000.00424.x - Choi, W.J. 2007. Development of a technique to reconstruct acid deposition records using stable isotope signatures in annual tree rings. Research report, Chonnam National University, Gwangju, Korea
- Choi, W.J., S.X. Chang, H.L. Allen, D.L. Kelting, and H.M. Ro. 2005a. Irrigation and fertilization effects on foliar and soil carbon and nitrogen isotope ratios in a loblolly pine stand. Forest Ecol. Manag. 213:90-101 https://doi.org/10.1016/j.foreco.2005.03.016
- Choi, W.J., S.X. Chang, and J.S. Bhatti. 2007. Drainage affects tree growth and C and N dynamics in a minerotrophic peatland. Ecology 88:443-453 https://doi.org/10.1890/0012-9658(2007)88[443:DATGAC]2.0.CO;2
-
Choi, W.J., S.M. Lee, S.X. Chang, and H.M. Ro. 2005b. Variations of
$\delta$ $^1{3}$ C and$\delta$ $^{15}$ N in Pinus densiflora tree-rings and their relationship to environmental changes in eastern Korea. Water Air Soil Poll. 164:173-187 https://doi.org/10.1007/s11270-005-2253-y - Choi, W.J., S.M. Lee, G.H. Han, K.S. Yoon, J.W. Jung, S.S. Lim, and J.H. Kwak. 2006. Available organic carbon controls nitrification and immobilization of ammonium in an acid loamtextured soil. Agric. Chem. Biotechnol. 49:28-32
- Choi, W.J., H.M. Ro, and S.M. Lee. 2003. Natural 15N abundances of inorganic nitrogen in soil treated with fertilizer and compost under changing soil moisture regimes. Soil Biol. Biochem. 35:1289-1298 https://doi.org/10.1016/S0038-0717(03)00199-8
-
Emmett, B.A., O.J. Kj
$\phi$ naas, P. Gundersen, C. Koopmans, A. Tietema, and D. Sleep. 1998. Natural abundances of$^{15}$ N in forests across a nitrogen deposition gradient. Forest Ecol. Manag. 101:9-18 https://doi.org/10.1016/S0378-1127(97)00121-7 - Feast, N.A., and P.E. Dennis. 1996. A comparison of methods for nitrogen isotope analysis of groundwater. Chem. Geol. 129: 167-171 https://doi.org/10.1016/0009-2541(95)00186-7
- Hauck, R.D. 1982. Nitrogen-isotope ratio analysis. p. 735-779. In A.L. Page et al. (ed.) Methods of soil analysis. Part 2: Chemical and microbiological properties. American Society of Agronomy and Soil Science Society of America, Madison, Wisconsin, USA
- Heaton, T.H.E. 1986. Isotopic studies of nitrogen pollution in the hydrosphere and atmosphere: a review. Chem. Geol. 59: 87-102 https://doi.org/10.1016/0009-2541(86)90046-X
-
H
$\ddot{o}$ gberg, P. 1990. Forests losing large quantities of nitrogen have elevated$^{15}$ N:$^{14}$ N ratios. Oecologia 84:229-231 https://doi.org/10.1007/BF00318276 -
H
$\ddot{o}$ gberg, P. 1997.$^{15}$ N natural abundance in soil-plant systems. New Phytol. 137:179-203 https://doi.org/10.1046/j.1469-8137.1997.00808.x -
H
$\ddot{o}$ gberg, P., and C. Johannisson. 1993.$^{15}$ N abundances of forests is correlated with losses of nitrogen. Plant Soil 157:147-150 https://doi.org/10.1007/BF00038758 -
Jung, K., G. Gebauer, M. Gehre, D. Hofmann, L. Wei
$\beta$ flog, and G. Sch$\ddot{u}$ $\ddot{u}$ rmann. 1997. Anthropogenic impacts on natural nitrogen isotope variations in Pinus sylvestris stands in an industrially polluted area. Environ. Pollut. 97:175-181 https://doi.org/10.1016/S0269-7491(97)00053-5 - Karamanos, R.E., and D.A. Rennie. 1981. The isotope composition of residual fertilizer nitrogen in soil columns. Soil Sci. Soc. Am. J. 45:316-321 https://doi.org/10.2136/sssaj1981.03615995004500020018x
- Keeney, D.R. and D.W. Nelson. 1982. Nitrogen-inorganic forms. P.643-698. In A.L. Page et al. (eds) Methods of soil analysis. Part 2:Chemical and microbiological properties. Soil Science Society of America, Madison, Wisconsin, USA
- Koba, K., N. Tokuchi, T. Yoshioka, E.A. Hobbie, and G. Iwatsubo. 1998. Natural abundance of nitrogen-15 in a forest soil. Soil Sci. Soc. Am. J. 62:778-787 https://doi.org/10.2136/sssaj1998.03615995006200030034x
- Korea Industrial Complex Corporation. 2007. Status of National Industrial Complex, Seoul, Korea
- Kwak, J.H., S.S. Lim, H.J. Park, S.I. Lee, K.H. Lee, H.Y. Kim, S.X. Chang, S.M. Lee, H.M. Ro, and W.J. Choi. 2009. Relating tree ring chemistry of Pinus densiflor to precipitation acidity in an industrial area of South Korea. Water Air Soil Pollut. (DOI 10.1007/s11270-008-9862-1)
- Laverman, A.M., H.R. Zoomer, H.W. van Verseveld, and H.A. Verhoef. 2000. Temporal and spatial variation of nitrogen transformations in a coniferous forest soil. 2000. Soil Biol. Biochem. 31: 1661-1670 https://doi.org/10.1016/S0038-0717(00)00082-1
-
Lee, S.M., W.J. Choi, S.I. Yun, Y.D. Choi, Y.D., H.M. Ro, and J.W. Park. 2002. Evaluation of fate of
$NH_{4}^{+}$ of condensed molasses solubles (CMS) in soil using by$^{15}N$ -tracer method. Koran J. Soil Sci. Fert. 35:69-76 - Ministry of Environment of Korea. 2007. Annual Reports of Ambient Air Quality in Korea, Ministry of Environment, Seoul, Korea.
-
Nadelhoffer, K.J., B.A. Emmett, P. Gundersen, O.J. Kj
$\o$ naas, C.J. Koopmans, C.J., P. Schleppi, A.Tietema, and R.F. Wright. 1999.Nitrogen deposition makes a minor contribution to carbon sequestration in temperate forests. Nature 398:145-148 https://doi.org/10.1038/18205 - Norby, R.J. 1998. Nitrogen deposition: A component of global change analyses. New Phytol. 139:189-200 https://doi.org/10.1046/j.1469-8137.1998.00183.x
- Poulson, S.R., C.P. Chamberlain, and A.J. Friedland. 1995. Nitrogen isotope variation of tree rings as a potential indicator of environmental change. Chem. Geol. 125:307?315 https://doi.org/10.1016/0009-2541(95)00097-6
- Rural Development Administration. 2000. Detailed Korea Soil Map, Suwon, Korea
- Rural Development Administration. 2000. Detailed Korea Soil Map, Suwon, Koreaecosystems. Can. J. For. Res. 13:747-766 https://doi.org/10.1139/x83-105
-
Vervaet, H., P. Boeckx, V. Unamuno, O. van Cleemput, and G. Hofman. 2002. Can
$\delta$ $^15$ N profiles in forest soils predict NO$_3$ $^-$ loss and net mineralization rates. Biol. Fert. Soils 36:143-150 https://doi.org/10.1007/s00374-002-0522-0 - Xiao, H.Y. and C.Q. Liu. 2002. Sources of nitrogen and sulfur in wet deposition at Guiyang, southwest China. Atmos. Environ. 36:5121-5130 https://doi.org/10.1016/S1352-2310(02)00649-0