Journal of Plant Research

, Volume 110, Issue 1, pp 7–13

Production-dependent reproductive allocation of a tall tree speciesQuercus serrata

  • Tohru Nakashizuka
  • Yayoi Takahashi
  • Hideyuki Kawaguchi
Original Articles

DOI: 10.1007/BF02506837

Cite this article as:
Nakashizuka, T., Takahashi, Y. & Kawaguchi, H. J. Plant Res. (1997) 110: 7. doi:10.1007/BF02506837

Abstract

The reproductive allocation (allocation of net production to acorns) of a tall tree speciesQuercus serrata was estimated by a method combining branch diameter distribution and the sampling of acorns per branch. Acorn production per branch of 0.5-cm diameter significantly varied among individuals and years, but not significantly across tree size. Leaf production per branch of 0.5-cm diameter had little annual fluctuation, while that of acorns fluctuated about 6 times between the maximum and minimum. The reproductive allocation was regressed against vegetative allocation, following the general model of klinkhameret al. (1992); the reproduction had a beginning threshold and reproductive allocation increased drastically at relatively young stage after the tree began reproduction. With its small threshold production, coppicing traits and large maximum size,Q. serrata seemed adaptive to infrequent but large-scale disturbances like fires.

Key words

Allocation of net production Branch diameter distribution Branch sampling Quercus serrata Reproductive allocation 

Copyright information

© The Botanical Society of Japan 1997

Authors and Affiliations

  • Tohru Nakashizuka
    • 1
  • Yayoi Takahashi
    • 2
  • Hideyuki Kawaguchi
    • 3
  1. 1.Forestry & Forest Products Research InstituteIbarakiJapan
  2. 2.Faculty of ScienceChiba UniversityChibaJapan
  3. 3.Faculty of AgricultureKyoto UniversityKyotoJapan
  4. 4.Center for Ecological ResearchKyoto UniversityOtsuJapan

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