期刊
FOREST ECOLOGY AND MANAGEMENT
卷 261, 期 11, 页码 1885-1891出版社
ELSEVIER
DOI: 10.1016/j.foreco.2011.02.011
关键词
Conservation; Extinction debt; Clear-cuts; Historical impact; Butterflies; Matrix
类别
资金
- Stiftelsen Oscar & Lili Lamms Minne
In Swedish boreal landscapes, the loss of species-rich semi-natural grasslands is largely due to a long history of agricultural abandonment. Large areas historically managed as meadows have become mature coniferous forest. This study focused on the potential biological legacy following a long period of grassland abandonment. The butterfly fauna in clear-cuts which was historically meadows and abandoned long enough to allow a generation of conifers to mature (70-90 years) was compared with clear-cuts which were historically coniferous forest. The results showed that clear-cuts historically managed as meadows were: (i) much richer in individuals, (ii) more species-rich, and (iii) contained many more grassland specialists than clear-cuts with a history as forest, with many of these species threatened in other parts of Europe. The results from our study demonstrate for the first time, to our knowledge, that the legacy of historical land-use in remnant plant communities can affect butterfly diversity in clear-cuts and hence the large-scale dynamics over a timescale of a full tree rotation. The results of this study have implications for forest management practices. Replanting clear-cuts on land that was previously meadows with deciduous trees or allowing the forest to regenerate naturally instead of planting conifers would make it possible to preserve a greater diversity of habitats for butterflies and other organisms. (C) 2011 Elsevier B.V. All rights reserved.
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