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Tree seedling survival and growth in logged and undisturbed seasonal deciduous forest fragments in central Brazil

机译:巴西中部地区幼苗生存与成长,季节性落叶森林碎片

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摘要

We evaluated the survival and growth of Amburana cearensis, Cedrela fissilis, and Sterculia striata seedlings in three seasonally tropical dry forest fragments that were subjected to different logging levels (intact, intermediately and heavily logged). In each fragment, we planted 40 seedlings of each species and monitored these over a period of 1 year. The highest seedling survival rate (64%) occurred in the heavily logged fragment, which, however, also had the highest mortality risk for all species during the dry season. Only S. striata seedlings had different survival rates among the fragments. Height and diameter growth were higher at sites with higher canopy openness in the wet season. The survival and growth rates of seedlings planted in logged fragments indicate that this technique can be applied to restore and enrich logged forests of the Paranã River Basin.
机译:我们评估了Amburana Cearensis,Cedrela Fissilis和Sterculia Striata幼苗的生存和生长,所述季节性热带干燥森林片段受到不同的测井水平(完整,中间和重新记录)。在每种片段中,我们种植了40种每种物种的幼苗,并在一年内监测了这些。最高的幼苗存活率(64%)发生在重新注销的片段中,然而,在干燥季节期间也对所有物种的死亡率最高。只有S. Striata幼苗在片段中具有不同的存活率。在潮湿的季节具有更高的冠层开放的地点,高度和直径增长较高。登陆片段种植的幼苗的存活率和生长速率表明,该技术可用于恢复和丰富的潘河流域的森林。

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