Horticulture, Environment, and Biotechnology : HEB

Korean Society of Horticultural Science (한국원예학회)
권호 표지

Changes in Growth and Reproductive Strategy of $Disporum$ $smilacinum$ in Canopy Gap and Closed Canopy Areas

  • Park, Yun-Mi (Department of Forest Sciences, Seoul National University) ;
  • Park, Pil-Sun (Department of Forest Sciences, Seoul National University) ;
  • Sohng, Jae-Eun (Department of Forest Sciences, Seoul National University) ;
  • Lee, Sun-Kyung (Department of Forest Sciences, Seoul National University) ;
  • Kim, Mahn-Jo (Division of Special-purpose Trees, Korea Forest Research Institute)
  • Received : 2010.06.14
  • Accepted : 2010.07.12
  • Published : 2010.10.31
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Abstract

$Disporum$ $smilacinum$ A. Gray is a typical monocarpic pseudo-annual plant which is distributed under forest canopy in the East Asia. $D.$ $smilacinum$ reproduces both vegetatively and sexually although its population size is mainly increased by rhizomes. We investigated the morphological characteristics and reproductive strategy of $D.$ $smilacinum$ in gap and under closed canopy sites to evaluate the effects of changes in light condition on the population dynamics of shade-adapted $D.$ $smilacinum$. Shoot densities, number of leaves, number of flowering shoots, shoot length, rhizome length and biomass of individual organs of $D.$ $smilacinum$ were compared between gap and closed canopy sites which were located adjacent to each other. Whole plant biomass, rhizome biomass and the number of flowering shoots of $D.$ $smilacinum$ in gap were significantly lower than those under closed canopy ($P$ < 0.05), while root/shoot ratio in gap sites was higher than that under closed canopy, indicating that canopy gap decreased growth and sexual reproduction of $D.$ $smilacinum$. Spatial autocorrelation using spatial distribution of morphological characteristics showed that the size of aggregates of individuals with similar morphological characteristics was larger under closed canopy than in gap sites. Increased light by gap brings about stressful condition to shade-adapted $D.$ $smilacinum$, reducing growth, population productivity and sexual reproduction.

Keywords

References

  1. Abe, S., T. Masaki, and T. Nakashizuka. 1995. Factors influencing sapling composition in canopy gaps of a temperate deciduous forest. Vegetatio 120:21-32.
  2. Achten, W.M.J., W.H. Maes, B. Reubens, E. Mathijs, V.P. Singh, L. Verchot, and B. Muys. 2010. Biomass production and allocation in Jatropha curcas L. seedlings under different levels of drought stress. Biomass Bioenergy 34:667-676. https://doi.org/10.1016/j.biombioe.2010.01.010
  3. Chu, Y., F.H. Yu, and M. Dong. 2006. Clonal plasticity in response to reciprocal patchiness of light and nutrients in the stoloniferous herb Glechoma longituba L. J. Integr. Plant Biol. 48:400-408. https://doi.org/10.1111/j.1744-7909.2006.00237.x
  4. Clark, P.J. and F.C. Evans. 1954. Distance to nearest neighbor as a measure of spatial relationship in populations. Ecol. 35:445-453. https://doi.org/10.2307/1931034
  5. Deichsel, G. and H.J. Trampisch. 1985. Clusteranalyse und diskriminanzanalyse. Gustav Fischer Verlag, Stuttgart.
  6. Dong, M. 1995. Morphological responses to local light conditions in clonal herbs from contrasting habitats, and their modification due to physiological integration. Oecologia 101:282-288. https://doi.org/10.1007/BF00328813
  7. Hori, Y., T. Yokoi, and Y. Yokoi. 1987. Production dependence of vegetative propagation in Disporum smilacinum A. Gray. Ecol. Res. 2:243-253. https://doi.org/10.1007/BF02349777
  8. Horikawa, Y. 1972. Atlas of the Japanese Flora, Vol. I. Gakken, Tokyo.
  9. Imai, N., M. Takyu, Y. Nakamura, and T. Nakamura. 2006. Gap formation and regeneration of tropical mangrove forests in Ranong, Thailand. Plant Ecol. 186:37-46. https://doi.org/10.1007/s11258-006-9110-y
  10. Jacquemyn, H., R. Brys, O. Honnay, M. Hermy, and I. Roldan-ruiz. 2005. Local forest environment largely affects below-ground growth, clonal diversity and fine-scale spatial genetic structure in the temperate deciduous forest herb Paris quadrifolia. Mol. Ecol. 14:4479-4488. https://doi.org/10.1111/j.1365-294X.2005.02741.x
  11. Jang, W. and P.S. Park. 2010. Stand Structure and Maintenance of Picea jezoensis in a Northern Temperate Forest, South Korea. J. Plant Biol. 53:180-189. https://doi.org/10.1007/s12374-010-9103-1
  12. Kanno, H. and K. Seiwa. 2004. Sexual vs. vegetative reproduction in relation to forest dynamics in the understory shrub Hydrangea paniculata (Saxifragaceae). Plant Ecol. 170:43-53.
  13. Kawano, S. 1984. Population biology and demographic genetics of some liliaceous species. Kor. Jour. Pl. Tax. 14:43-57.
  14. Konen, M.E., P.M. Jacobs, C.L. Burras, B.J. Talaga, and J.A. Mason. 2002. Equations for predicting soil organic carbon using loss-on-ignition for north central U.S. soils. Soil Sci. Soc. Am. J. 66:1878-1881. https://doi.org/10.2136/sssaj2002.1878
  15. Kuo, S. 1996. Phosphorus, p. 1390. In: D.L. Sparks (ed). Methods of soil analysis. Part 3: chemical methods. Soil Science Society of America book series No. 5, American Society of Agronomy, Madison. WI.
  16. Lee, K.C. and S.K. Park. 1991. Analysis on the growth environment of Disporum smilacinum A. Gray for development of shade-tolerance groundcover plant. J. Kor. Inst. Landsc. Archit. 19:65-74.
  17. Lezberg, A.L., C.B. Halpern, and J.A. Antos. 2001. Clonal development of Maianthemum dilatatum in forests of differing age and structure. Can. J. Bot. 79:1028-1038.
  18. Liu, Z.J., G.Z. Du, and J.K. Chen. 2003. Relationship between vegetations and resource allocation of inflorescence structure in Ligularia virgaurea. Acta Phytoecol. Sin. 27:344-351.
  19. Mendoza, A. and M. Franco. 1998. Sexual reproduction and clonal growth in Reinhardtia Gracilis (Palmae), an understory tropical palm. Am. J. Bot. 85:521-527. https://doi.org/10.2307/2446436
  20. Min, B.M. 1998. On the population and interspecific competition of Disporum smilacinum and D. viridescens (Liliaceae) in Mt. Nam Park. Korean J. Ecol. 21:649-663.
  21. Pages, J.P. and R. Michalet. 2006. Contrasted responses of two understory species to direct and indirect effects of a canopy gap. Plant Ecol. 187:179-187. https://doi.org/10.1007/s11258-005-0976-x
  22. Pluess, A.R. and J. Stocklin. 2005. The importance of population origin and environment on clonal and sexual reproduction in the alpine plant Geum reptans. Funct. Ecol. 19:228-237. https://doi.org/10.1111/j.0269-8463.2005.00951.x
  23. Routhier, M.C. and L. Lapointe. 2002. Impact of tree leaf phenology on growth rates and reproduction in the spring flowering species Trillium erectum (Lilliaceae). Am. J. Bot. 89:500-505. https://doi.org/10.3732/ajb.89.3.500
  24. Salisbury, E.J. 1942. The reproductive capacity of plants. Bell, London.
  25. Sanchez-Blanco, M.J., S. Alvareza, A. Navarroc, and S. Banon. 2009. Changes in leaf water relations, gas exchange, growth and flowering quality in potted geranium plants irrigated with different water regimes. J. Plant Physiol. 166:467-476. https://doi.org/10.1016/j.jplph.2008.06.015
  26. Sato, T. 2002. Size-dependent resource allocation among vegetative propagules and male and females functions in the forest herb Laportea bulifera. Oikos. 96:453-462. https://doi.org/10.1034/j.1600-0706.2002.960307.x
  27. Sokal, R.R. and N.L. Oden. 1978. Spatial autocorrelation in biology 1. Methodology. Biol. J. Linn. Soc. 10:199-228. https://doi.org/10.1111/j.1095-8312.1978.tb00013.x
  28. Sokal, R.R. and F.J. Rohlf. 1981. Biometry. 2nd edn., W. H. Freeman & Co., San Francisco. CA.
  29. Sumner, M.E. and W.P. Miller. 1996. Cation exchange capacity and exchange coefficients, p. 1201-1229. In: D.L. Sparks (ed). Methods of soil analysis. Part 3: chemical methods. Soil Science Society of America book series No. 5, 3rd edn., Soil Science Society of America, Madison. WI.
  30. Van der Meer, P.J. 1997. Vegetation development in canopy gaps in a tropical rain forest in French Guiana. Selbyana 18:38-50.
  31. Yamamoto, S. and N. Nishimura. 1999. Canopy gap formation and replacement pattern of major tree species among developmental stages of beech (Fagus crenata) stands, Japan. Plant Ecol. 140:167-176. https://doi.org/10.1023/A:1009713002039
  32. Zhao, Z.G., G.Z. Du, X.H. Zhou, M.T. Wang, and Q.G. Ren. 2006. Variations with altitude in reproductive traits and resource allocation of three Tibetan species of Ranunculaceae. Aust. J. Bot. 54:691-700. https://doi.org/10.1071/BT05015