Research article

DOI: 10.15287/afr.2014.175

Carbon and nitrogen status of decomposing roots in three adjacent coniferous plantations

Jaeyeob Jeong, Choonsig Kim

Jaeyeob Jeong
CERAR, CRC-CARE, University of South Australia, Mawson Lake Campus, Adelaide, SA 5095, Australia
Choonsig Kim
Department of Forest Resources, Gyeongnam National University of Science and Technology, Jinju 660-758, Republic of Korea. Email: ckim@gntech.ac.kr

Online First: April 11, 2014
Jeong, J., Kim, C. 2014. Carbon and nitrogen status of decomposing roots in three adjacent coniferous plantations. Annals of Forest Research DOI:10.15287/afr.2014.175


This study evaluated the carbon (C) and nitrogen (N) status of decomposing roots in three adjacent plantations consisting of one deciduous (larch: Larix leptolepis) and two evergreen (red pine: Pinus densiflora; rigitaeda pine: P. rigitaeda) species planted in the same year (1963) under similar site conditions. The mass loss rates and C and N status of three diameter classes of roots (UF < 2 mm, F 2-5 mm, CF 5-10 mm in diameter) were examined in the upper 15 cm of the mineral soil using in situ buried root bags for 496 days.The remaining mass of decomposing roots was significantly higher for larch (69.0%) than for red pine (59.6%) or rigitaeda pine (59.1%) over 496 days. The mass loss rates of decomposing roots did not differ significantly among the three root diameter classes, but the C and N status of decomposing roots was affected by the tree species. The larch roots showed low C concentrations but high N concentrations, C and N remaining compared to the pine roots over the study period. The results indicate that the substrate quality indicators of roots were not attributed to the mass loss rates, C and N status of decomposing roots in three coniferous tree species grown under similar environmental conditions.


Bert D., Danjon D., 2006. Carbon concentration variations in the roots, stem and crown of mature Pinus pinaster (Ait.). ForestEcology and Management 222: 279-295. DOI: 10.1016/j.foreco.2005.10.030.

Chen H., Harmon M.E., Sexton J., Fasth B., 2002. Fine-root decomposition and N dynamics in coniferous forests of the Pacific Northwest, U.S.A. Canadian Journal of Forest Research 32: 320-331. DOI: 10.1139/x01-202.

Elias M., Potvin C., 2003. Assessing inter- and intra-specific variation in trunk carbon concentration for 32 neotropical tree species. Canadian Journal of ForestResearch 33: 1039-1045. DOI: 10.1139/x03-018.

Gordon W.S., JacksonR.B., 2000. Nutrient concentrations in fine roots. Ecology 81: 275-280. DOI: 10.1890/0012-9658(2000)081[0275: NCIFR]2.0.CO;2.

Fahey T.J., Arthur M.A., 1994. Further studies of root decomposition following harvest of a northern hardwoods forest.ForestScience 40: 618-629.

Hobbie S.E., Oleksyn J., Eissenstat D.M., Reich P.B., 2010. Fine root decomposition rates do not mirror those of leaf litter among temperate tree species. Oecologia 162: 505-513. DOI: 10.1007/s00442- 009-1479-6.

King J.S., Allen H.L., Dougherty O., Strain B.R., 1997. Decomposition of roots in loblolly pine: Effects of nutrient and water availability and root size class on mass loss and nutrient dynamics. Plant and Soil 195: 171-184. DOI: 10.1023/A:1004248232450.

Kim C., 2002. Mass loss rates and nutrient dynamics of decomposing fine roots in a sawtooth oak and a Korean pine stands. Korean Journal of Ecology 25: 235-240. DOI: 10.5141/JEFB.2002.25.4.235.

Kim C., Jeong J., Cho H.S., Son Y. 2010. Carbon and nitrogen status of littefall, litter decomposition and soil in even-aged larch, red pine and rigitaeda pine plantations. Journal of Plant Research 123: 411-419. DOI: 10.1007/s10265-010-0317-6.

Koide R., Fernandez C.W., Peoples M.S., 2011. Can ectomycorrhizal colonization of Pinus resinosa roots affect their decomposition? New Phytologist 191: 508-514. DOI: 10.1111/j.1469-8137.2011.03694.x.

KoreaForestService. 2010. Statistical yearbook of forestry. Korea Forest Service, Daejeon, 491 p.

Kraenzel M., Castillo A., MooreT., Potvin C., 2003. Carbon storage of harvest-age teak (Tectoan grandis) plantations, Panama. ForestEcology and Management 173: 213-225. DOI: 10.1016/S0378-1127 (02) 00002 -6.

Langley J.A., Chapman S.K., Hungate B.A., 2006. Ectomycorrhizal colonization slows root decomposition: the post-mortem fungal legacy. Ecology Letters 9: 2302-2312.

Lin C., Yang Y., Guo J., Chen G., Xie J., 2011. Fine root decomposition of evergreen broadleaved and coniferous tree species in mid-subtropical China: dynamics of dry mass, nutrient and organic fractions. Plant and Soil 338: 311-327. DOI: 10.1007/s11104-010-0547-3.

Ludovici K.H., Kress L.W., 2006. Decomposition and nutrient release from fresh and dried pine roots under two fertilizer regimes. Canadian Journal of ForestResearch 36: 105-111. DOI: 10.1139/x05-227.

McClaugherty C.A., Aber J.D., Melillo J.H., 1982. The role of fine roots in the organic matter and nitrogen budgets of two forest ecosystem. Ecology 63: 1481-1490. DOI: 10.2307/1938874.

Mao R., Zeng D.H., Li L.J., 2011. Fresh root decomposition pattern two contrasting tree species from temperate agroforestry systems: effects of root diameter and nitrogen enrichment of soil. Plant and Soil 347: 115-123. DOI: 10.1007/s11104-011-0830-y.

Milliken G.A., Johnson D.E., 2002. Analysis of messy data, volume III: Analysis of covariance.Chapman&Hall/CRC,USA. 605 p.

Pyo J.H., Shin C.H., Namgung J., Kim J.H., Mun H.T., 2002. Weight loss and nutrient dynamics during the decomposition of fine roots. Korean Journal of Ecology 25: 41-44.

SakaiY., Takahashi M., Tanaka N., 2007. Root biomass and distribution of a Picea-Abies stand and a Larix-Betula stand in pumiceous Entisols in Japan. Journal of ForestResearch 12: 120-125. DOI: 10.1007/s10310-006-0270-3.

SAS Institute Inc., 2003. SAS/STAT Statistical software. Version 9.1. SAS publishingCary,NC.

Silver W.L., Miya R.K., 2001. Global patterns in root decomposition: comparisons of climate and litter quality effects. Oecologia 129: 407-419.

Usman S., Singh S.P., Rawat Y.S., Bargali S.S., 2000. Fine root decomposition and nitrogen mineralization patterns in Quercus leucotrichophora and Pinus roxburghii forests in central Himalaya. ForestEcology and Management 131: 191-199. DOI: 10.1016/S0378-1127(99)00213-3.


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