Re-evaluating the role of tannins in Australian forest ecosystems

重新评估单宁在澳大利亚森林生态系统中的作用

• 批准号: DP0986142
• 负责人: Prof William Foley
• 金额: $ 18.1万
• 依托单位: The Australian National University
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2009
• 资助国家: 澳大利亚
• 起止时间: 2009-01-01 至 2011-12-31
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/DP0986142
• 关键词: Re; evaluating; role; tannins; Australian

As atmospheric CO2 concentrations rise, eucalypts will respond by decreasing the amount of protein in the leaves and increasing the concentrations of toxins called tannins. Together this will have the effect of making the leaves harder for herbivores to eat and slower to break down on the forest floor. We have developed a new way of measuring these effects and will use it to show which eucalypt communities climate change will most affect and so which forests will become less able to support fauna. Apart from contributing to the better management of Australian forests, this project also enhances the National Carbon Accounting System by measuring how tannins influence litter decomposition and explaining the link with leaf chemistry.

随着大气中二氧化碳浓度的上升，桉树将通过减少叶子中的蛋白质含量和增加称为单宁的毒素浓度来做出反应。 这将使树叶更难被食草动物吃掉，并在森林地面上分解得更慢。我们已经开发了一种新的方法来衡量这些影响，并将使用它来显示气候变化将最大程度地影响哪些社区，从而哪些森林将变得不太能够支持动物群。除了有助于更好地管理澳大利亚森林外，该项目还通过测量单宁如何影响凋落物分解并解释与树叶化学的联系，加强了国家碳核算系统。