Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1016/j.foreco.2019.117492 |
Tree regeneration responds more to shade casting by the overstorey and competition in the understorey than to abundance per se | |
De Lombaerde, Emiel1; Verheyen, Kris1; Van Calster, Hans2; Baeten, Lander1 | |
2019-10-15 | |
发表期刊 | FOREST ECOLOGY AND MANAGEMENT
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ISSN | 0378-1127 |
EISSN | 1872-7042 |
出版年 | 2019 |
卷号 | 450 |
文章类型 | Article |
语种 | 英语 |
国家 | Belgium |
英文摘要 | Manipulating the overstorey is the key tool for forest managers to steer natural regeneration. Opening up the canopy does not only create favourable light conditions for tree seedling growth, but also for (competitive) understorey species. Therefore, a thorough understanding of how changes in the abundance of the overstorey and understorey influence tree regeneration is needed to attain successful regeneration. To this end, we used the regional Flemish Forest Inventories, which contain vegetation plots that were surveyed at two times and include large variation in species composition and abundance of both overstorey and understorey layers. These plots were classified into poor and rich forest types, which differ in overstorey and understorey species composition and soil fertility. For each forest type, we first investigated the effect of overstorey abundance and shade-casting ability on the understorey herbaceous vegetation cover and its competitive nature. Then, we modelled how both these strata influence the presence-absence as well as the cover of tree regeneration, using the zero-inflated beta distribution. Our results show that the understorey cover and its competitiveness mainly increase when the abundance and shade-casting ability of the overstorey is reduced. The shade-casting ability of the overstorey and competitiveness of the understorey were more important in determining tree regeneration, especially probability of presence, than the abundance of these layers per se. This was consistent for both forest types, although directions and magnitudes of the effects differed. In predictions mimicking several thinning scenarios we found that in the poor forests, reducing overstorey abundance could lead to an increase in seedling cover, whereas in rich forests, the opposite is true and seedling cover will potentially be reduced. Finally, in a single-species analysis focusing on Quercus, we found a trade-off between sufficiently reducing overstorey abundance, while at the same retaining parent trees as potential seed sources. These findings can be used to guide forest management decisions in order to attain successful forest regeneration in temperate forests. |
英文关键词 | Herb layer Natural regeneration Competition Forestry Gap dynamics Logging |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000484651100005 |
WOS关键词 | PLANT-COMMUNITIES ; ECOLOGICAL FILTER ; TEMPERATE FORESTS ; DENSE UNDERSTORY ; FERN UNDERSTORY ; SCOTS PINE ; VEGETATION ; DYNAMICS ; GROWTH ; SEEDLINGS |
WOS类目 | Forestry |
WOS研究方向 | Forestry |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/187658 |
专题 | 气候变化 |
作者单位 | 1.Univ Ghent, Fac Biosci Engn, Forest & Nat Lab, Campus Gontrode,Geraardsbergsesteenweg 267, B-9090 Melle Gontrode, Belgium; 2.Res Inst Nat & Forest, Havenlaan 88 Bus 73, B-1000 Brussels, Belgium |
推荐引用方式 GB/T 7714 | De Lombaerde, Emiel,Verheyen, Kris,Van Calster, Hans,et al. Tree regeneration responds more to shade casting by the overstorey and competition in the understorey than to abundance per se[J]. FOREST ECOLOGY AND MANAGEMENT,2019,450. |
APA | De Lombaerde, Emiel,Verheyen, Kris,Van Calster, Hans,&Baeten, Lander.(2019).Tree regeneration responds more to shade casting by the overstorey and competition in the understorey than to abundance per se.FOREST ECOLOGY AND MANAGEMENT,450. |
MLA | De Lombaerde, Emiel,et al."Tree regeneration responds more to shade casting by the overstorey and competition in the understorey than to abundance per se".FOREST ECOLOGY AND MANAGEMENT 450(2019). |
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