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2016 | 76 |
Tytuł artykułu

Acer truncatum seedlings are more plastic than Quercus variabilis seedlings in response to different light regimes

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
In this study, we investigated responses of the mid-successional species Acer truncatum Bunge and the late-successional species Quercus variabilis Blume to three solar illumination conditions: (1) constant low light (CL), (2) constant high light (CH) and (3) low light first and high light afterwards (LH). The last treatment was to simulate a canopy opening. Both species exhibited increases in biomass, totally and in part, and decreases in leaf water content, specific leaf area and chlorophyll concentrations in LH treatment compared to CL treatment. For A. truncatum, exposure to high light condition (LH) increased crown area, and decreased root to shoot ratio, stem mass ratio and leaf perimeter. However, for Q. variabilis, LH treatment increased stem diameter at ground height, effective quantum yield, photochemical quenching and decreased maximum photosystem II quantum yield. The biomass allocation pattern did not change in Q. variabilis among three light conditions. With respect to newly developed leaves, no significant differences were found in leaf size of Q. variabilis between LH treatment and CH treatment while that of A. truncatum decreased in LH treatment. All chlorophyll fluorescence parameters in newly developed oak leaves in LH treatment increased compared to those of CH treatment while no difference was found for A. truncatum between LH and CH treatment. A. truncatum displayed a greater overall plasticity than Q. variabilis although the oak seedlings have a greater plasticity with respect to chlorophyll concentration and chlorophyll fluorescence parameters. A. truncatum should be a better candidate for vegetation recovery, especially in places with heterogeneous light conditions.
Wydawca
-
Czasopismo
Rocznik
Tom
76
Opis fizyczny
p.35-49,fig.,ref.
Twórcy
autor
  • College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao 266109, P.R.China
  • Institute of Ecology and Biodiversity, School of Life Sciences, Shandong University, Jinan, 250100, P.R.China
  • Shandong Provincial Engineering and Technology Research Center for Vegetation Ecology, Shandong University, Jinan, 250100, P.R.China
autor
  • Institute of Ecology and Biodiversity, School of Life Sciences, Shandong University, Jinan, 250100, P.R.China
  • Shandong Provincial Engineering and Technology Research Center for Vegetation Ecology, Shandong University, Jinan, 250100, P.R.China
autor
  • Institute of Ecology and Biodiversity, School of Life Sciences, Shandong University, Jinan, 250100, P.R.China
  • Shandong Provincial Engineering and Technology Research Center for Vegetation Ecology, Shandong University, Jinan, 250100, P.R.China
autor
  • College of Life Sciences, Shandong Normal University, Jinan, 250014, P.R.China
autor
  • Institute of Ecology and Biodiversity, School of Life Sciences, Shandong University, Jinan, 250100, P.R.China
  • Shandong Provincial Engineering and Technology Research Center for Vegetation Ecology, Shandong University, Jinan, 250100, P.R.China
autor
  • Institute of Ecology and Biodiversity, School of Life Sciences, Shandong University, Jinan, 250100, P.R.China
  • Shandong Provincial Engineering and Technology Research Center for Vegetation Ecology, Shandong University, Jinan, 250100, P.R.China
Bibliografia
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Typ dokumentu
Bibliografia
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Identyfikator YADDA
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