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首页> 外文期刊>Quarterly Journal of Forestry >Woodland restoration on mineral extraction waste tips: a comparison of tree performance over eight years
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Woodland restoration on mineral extraction waste tips: a comparison of tree performance over eight years

机译：用矿物提取废料进行林地恢复：八年来树木性能的比较

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摘要

Woodland restoration on hard-rock waste tips is often unsuccessful because of inappropriate species selection for planting and poor growth of planted trees after initial establishment. In this study we monitored the growth of three native (Betula pendula, Sorbus aucuparia and Quercus petrea) and one exotic (Alnus cordate) tree species planted in a restoration scheme on slate-waste tips in North Wales. The objectives of this study were to: (i) investigate the relationship between the relative performance of planted species, and the species' relative success in natural regeneration at the same site; and (ii) investigate how well early performance is correlated with the subsequent success of the species. The growth of the native species did reflect theextent of their natural regeneration at the site (B. pendula > S. aucuparia = Q. petraea). However, while not present as a natural coloniser, A. cordata was the best performing species. Species' relative growth performance after eight years was predicted by that during the first few months after planting, suggesting that short-term monitoring has value in predicting longer-term establishment success. Of the species studied A. cordata is recommended for planting on slate waste. However, B. pendula is the best of the native species studied.
机译：硬岩废料尖上的林地恢复通常是不成功的，这是因为最初种植后树种选择不当以及种植树木生长不良。在这项研究中，我们监测了北威尔士石板废料尖端修复计划中种植的三种本地树种（Betula pendula，山梨or和栎）和一种外来树种（Alnus cordate）的生长。这项研究的目的是：（i）研究种植物种的相对性能与该物种在同一地点自然再生的相对成功之间的关系; （ii）研究早期表现与该物种的后续成功之间的相关程度。本地物种的生长确实反映了其在该地点的自然再生程度（B. pendula> S. aucuparia = Q. petraea）。然而，尽管不以天然定居者的身份存在，科尔多孢菌还是表现最好的物种。播种后的前几个月可以预测物种在八年后的相对生长表现，这表明短期监测对预测长期建立成功具有价值。在所研究的物种中，建议将A. cordata种植在石板废料上。但是，B。pendula是研究的最佳本地物种。

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