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首页> 外文期刊>Journal of Forest Planning >Patterns and Determinants of Early-stage Vegetation Development in Abandoned Plantation Clearcut Sites in Kyushu, Japan: Toward Prioritizing Sites for Restoration
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Patterns and Determinants of Early-stage Vegetation Development in Abandoned Plantation Clearcut Sites in Kyushu, Japan: Toward Prioritizing Sites for Restoration

机译：日本九州被遗弃的人工林明确地点的早期植被发育模式和决定因素：朝着优先恢复的地点发展

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The abandonment of plantation sites after clearcutting is increasing in Japan; there is concern that if vegetation fails to recover or develops too slowly after clearcutting, there will be a decline in forest ecosystem services. An appropriate management strategy for rectifying the situation might include predicting vegetation recovery for each abandoned site and prioritizing sites for restoration. Here, we present a regional-scale study that investigated a large number of abandoned plantation clearcut sites distributed across Kyushu Island. The objective was to develop a better general understanding of early-stage vegetation recovery patterns and their determinants, which will be useful in prioritizing sites for restoration. Four vegetation classes-grassland (GL), few pioneer trees (FPT), non-pioneer trees {NPT), and pioneer trees (PT)- were detected by a vegetation survey. Sites that were (1) affected by deer browsing, (2) had relatively young tree stands at the time of clearcutting, and (3) that had been clearcut recently most often recovered to GL or FPT. Under these site conditions, efforts should be directed toward reducing deer grazing to enhance vegetation recovery during the initial stages of regrowth. Restoration effort should be allocated to sites classified as GL even 5 years after clearcutting, which includes a relatively large proportion of the study area. FPT, PT, and NPT sites should be monitored over the. long term. This monitoring effort should be used to determine (1) whethertree species recovery is successful in FPT sites and (2) whether PT or NPT sites will convert successfully to evergreen broad-leaved forests (lucidophyllous forests).
机译：在日本，砍伐后的人工林地废弃率正在上升;令人担忧的是，如果在砍伐后植被无法恢复或发育太慢，森林生态系统服务将下降。纠正这种情况的适当管理策略可能包括预测每个废弃站点的植被恢复并优先进行恢复。在这里，我们提出了一项区域规模的研究，调查了分布在九州岛上的大量废弃人工林砍伐场。目的是对早期植被恢复模式及其决定因素有一个更好的总体了解，这将有助于优先确定恢复地点。通过植被调查发现了四种植被类型：草地（GL），少有先锋树（FPT），非先锋树（NPT）和先锋树（PT）。 （1）受鹿浏览影响的站点;（2）清除时的树木林分相对较小;（3）最近被清除的站点最常恢复到GL或FPT。在这些场所条件下，应着力减少鹿的放牧，以增强新生期初期的植被恢复。修复工作应在清除后的5年内分配到GL级别，其中包括相对较大的研究区域。 FPT，PT和NPT站点应受到监控。长期。应当使用这种监测工作来确定（1）FPT场所的树种恢复是否成功，以及（2）PT或NPT场所是否将成功地转换为常绿阔叶林（萤石林）。

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