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@ARTICLE{Lai:45872,
      author       = {Lai, I.-L. and Scharr, H. and Chavarria-Krauser, A. and
                      Küsters, R. and Jiunn-Tzong, W. and Chang-Hung, C. and
                      Schurr, U. and Walter, A.},
      title        = {{L}eaf growth dynamics of two congener gymnosperm tree
                      species reflect the heterogeneity of light intensities given
                      in their natural ecological niche},
      journal      = {Plant, cell $\&$ environment},
      volume       = {28},
      issn         = {0140-7791},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {PreJuSER-45872},
      pages        = {1496 - 1505},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Chamaecyparis obtusa var. formosana and Chamaecyparis
                      formosensis are congener gymnosperm tree species native to
                      Taiwan cloud forests; occupying different niches there.
                      While the seedlings of C. formosensis occur predominantly
                      under bright conditions in large forest gaps, seedlings of
                      C. obtusa var. formosana are mainly found below the canopy
                      of mature forests or in small gaps. It is well known that
                      congener species occupying different niches typically differ
                      in several ecophysiological and morphological traits, but
                      the differences in growth dynamics of such species are still
                      totally unclear, as the diurnal growth dynamics of
                      gymnosperm leaves have not been investigated before. Modern
                      methods of digital image sequence processing were used in
                      this study to analyse the leaf growth dynamics of the two
                      species. We found that both species show similar base–tip
                      gradients and pronounced diurnal growth rhythms with maxima
                      in the evening. Differences between the two species
                      concerning their growth dynamics correlated closely with
                      their ecological amplitudes and abundances. Chamaecyparis
                      obtusa var. formosana grew faster than C. formosensis in low
                      light intensity, typical for closed-canopy situations, and
                      reacted quickly by increasing or decreasing growth rate when
                      light intensity changed within a range typically found below
                      small canopy gaps. In contrast to this, C. formosensis grew
                      better in light intensities typical for open vegetation
                      situations, but reacted slower towards changes of light
                      intensity. Based on those results, the hypothesis can be
                      developed that fluctuations of leaf growth dynamics reflect
                      heterogeneities of the light environment within the niche
                      occupied by a given species.},
      cin          = {ICG-III},
      ddc          = {570},
      cid          = {I:(DE-Juel1)VDB49},
      pnm          = {Chemie und Dynamik der Geo-Biosphäre},
      pid          = {G:(DE-Juel1)FUEK257},
      shelfmark    = {Plant Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000234345200004},
      doi          = {10.1111/j.1365-3040.2005.01386.x},
      url          = {https://juser.fz-juelich.de/record/45872},
}