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Values of weedy regrowth for rainforest restoration

机译：杂草再生对雨林恢复的价值

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Can weedy regrowth be sometimes useful in restoration? Former pastures, created historically by deforestation and other interventions but then retired from agricultural use, now provide a major opportunity for forest restoration. Globally, forest has begun to regenerate spontaneously at large scales on many such retired pasture lands. Additionally, non-native species are increasingly often the first trees and shrubs to establish in this situation. Here, I consider the ecological processes that enable some of these species to be useful in restoring diverse rainforest communities of flora and fauna to disused pasture and other agricultural lands; in terms of both the generalised ecological mechanisms involved and specific cases in rainforest landscapes of eastern Australia. Ecological research has shown that regrowth trajectories which begin with dominance by non-native trees and shrubs may of themselves sometimes transition over several decades towards dominance by native rainforest species, and that these novel ecosystems provide significant habitat for native fauna, as well as a range of ecosystem services. Their destruction in the name of weed control is likely to have an immediate adverse ecological impact. Alternatively, they could be managed and harnessed as a useful part of the practitioners' toolkit for rainforest restoration.
机译：杂草再生长有时对恢复有用吗？历史上以前是通过砍伐森林和其他干预措施创建的牧场，后来从农业用途中退役，现在为森林恢复提供了重要机会。在全球范围内，森林已经开始在许多这样的退耕地上大规模自发地再生。此外，在这种情况下，非本地物种通常越来越多地成为最早的树木和灌木。在这里，我认为使这些物种中的一些能够在恢复动植物的各种雨林群落到废弃牧场和其他农业用地的生态过程中发挥作用；从涉及的广义生态机制和澳大利亚东部雨林景观的具体案例来看。生态学研究表明，以非本地树木和灌木为主的再生轨迹有时可能会在几十年间过渡为由本地雨林树种主导，这些新颖的生态系统为本地动物和范围广泛的生境提供了重要的栖息地。生态系统服务。以杂草控制的名义销毁它们可能会立即产生不利的生态影响。或者，可以将其作为从业人员用于雨林恢复的工具包的有用部分进行管理和利用。

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