首页> 外文学位 >Physiological and morphological responses of mountain maple (Acer spicatum L.) seedlings to light under different carbon dioxide concentrations, soil temperature and soil moisture regimes.
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Physiological and morphological responses of mountain maple (Acer spicatum L.) seedlings to light under different carbon dioxide concentrations, soil temperature and soil moisture regimes.

机译:在不同的二氧化碳浓度,土壤温度和土壤湿度条件下,山枫(Acer spicatum L.)幼苗对光的生理和形态响应。

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摘要

Determining the response of mountain maple (Acer spicatum L.) to increases in light is confounded by interaction with other environmental factors. Rising atmospheric carbon dioxide concentrations ([CO 2]) and the accompanying global warming and soil moisture depletion are expected to have large impacts on plants, including mountain maple, responses to their biological and physical environments. Yet the effects of global climate change factors on mountain maple response to light is ignored. Mountain maple seedlings were grown in two light regimes (low or shaded and high or unshaded), two [CO2] (ambient: c 380 µmol mol -1 and elevated: 760 µmol mol-1). Using soil temperature manipulation equipment (17 and 22°C), I tested the effects of [CO2] and Tsoil on the physiological and morphological responses of mountain maple to light. Secondly, soil moisture treatment was applied to another set of seedlings to test the effects of [CO2] and soil moisture on the physiological and morphological responses of mountain maple to light.
机译:确定山枫(Acer spicatum L.)对光增加的响应与其他环境因素的相互作用是混淆的。预计大气中二氧化碳浓度([CO 2])的上升以及随之而来的全球变暖和土壤水分的枯竭将对包括山枫在内的植物及其生物和物理环境的响应产生重大影响。然而,全球气候变化因素对山枫对光的响应的影响却被忽略了。在两种光照条件下(低或阴影以及高或无阴影),两种[CO2](环境:c 380 µmol mol -1和升高的:760 µmol mol-1)生长山枫苗。我使用土壤温度处理设备(17和22°C),测试了[CO2]和Tsoil对山枫对光的生理和形态反应的影响。其次,对另一组幼苗进行土壤水分处理,以测试[CO2]和土壤水分对山枫对光的生理和形态响应的影响。

著录项

  • 作者

    Danyagri, Gabriel.;

  • 作者单位

    Lakehead University (Canada).;

  • 授予单位 Lakehead University (Canada).;
  • 学科 Biology Botany.;Agriculture Forestry and Wildlife.
  • 学位 Ph.D.
  • 年度 2012
  • 页码 163 p.
  • 总页数 163
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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