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Early season root production in relation to leaf production among six diverse temperate tree species

机译:六个不同温带树种的早期根系生产与叶片生产的关系

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摘要

Leaf and root phenology play important roles controlling plant productivity and ecosystem function, yet, few studies link patterns of leaf and root phenology across woody species. Trees with diffuse-porous wood anatomy tend to leaf-out before ring-porous species and we expected that increases in transpiration with spring leaf-out would be coupled with initiation of root production to support uptake of soil resources. Therefore, we hypothesized that the timing of root production would follow patterns of leaf production and wood anatomy.
机译:叶片和根的物候特性在控制植物生产力和生态系统功能方面起着重要作用,然而,很少有研究将木本物种的叶片和根的物候特性联系起来。具多孔木材解剖结构的树木往往会先于环孔物种离开,而我们预计随着春季叶的腾出,蒸腾作用的增加将与根系生产的启动相结合,以支持土壤资源的吸收。因此,我们假设生根的时机将遵循叶片生产和木材解剖的模式。

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