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Ecological drivers of seed germination in endangered bog and fen communities

机译:濒危沼泽和汾社区种子萌发的生态司机

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The Australian Alps are under unprecedented threat from climate change, altered fire regimes, weeds, pests, and human interference. Within the Alps, the endangered ecological community " Alpine Sphagnum Bogs and Associated Fens" (ASBAFs) will be particularly impacted by threatening processes due to the inherently small, fragmented and isolated populations (TSSC 2008). Currently, few restoration options exist because ecological drivers of recruitment, and optimal methods of ex situ seed storage and propagation, remain unknown. Many ASBAF plants do not occur elsewhere and appear to possess a suite of adaptations for the cool, waterlogged, and acidic bog environment. We hypothesised that seeds of ASBAF species would exhibit optimal germination under conditions that mirrored those of the growing season (Baskin etal 1998); cool (20/10t), waterlogged (submerged), and acidic (pH 4 ~6).
机译:澳大利亚阿尔卑斯山受到气候变化,消防制度,杂草,害虫和人类干扰改变的前所未有的威胁。 在阿尔卑斯山内,濒危生态社区“高山斯巴格沼泽和相关的福思”(ASBAFS)将特别受到威胁过程的影响,这是由于固有的小,碎片和分离的群体(TSC 2008)。 目前,存在很少的恢复选择,因为招聘的生态驱动因素以及出于原地种子储存和传播的最佳方法,仍然未知。 许多ASBAF植物不会在其他地方发生,并且似乎拥有酷,涝和酸性沼泽环境的适应套件。 我们假设ASBAF物种的种子将在反映生长季节的条件下表现出最佳发芽(Baskin Etal 1998); 冷却(20 / 10t),涝(浸没)和酸性(pH4〜6)。

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