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DOI:	10.1371/journal.pone.0165178
论文题名:	Far from Naturalness: How Much Does Spatial Ecological Structure of European Tree Assemblages Depart from Potential Natural Vegetation?
作者:	Giovanni Strona; Achille Mauri; Joseph A. Veech; Günther Seufert; Jesus San-Miguel Ayanz; Simone Fattorini
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2016
发表日期:	2016-12-22
卷:	11, 期:12
语种:	英语
英文关键词:	Trees ; Forests ; Community ecology ; Community structure ; Latitude ; Plant ecology ; Longitude ; Spatial and landscape ecology
英文摘要:	Contemporaneous plant communities may retain a mark of past disturbances in their ecological patterns. However, unraveling the history of disturbance on natural systems at a large scale is often unfeasible, due to the complexity of the factors involved and lack of historical data. Here we aim at demonstrating how comparing observed spatial structure of tree assemblages with that expected in a hypothetical, undisturbed scenario can shed light on how natural European forests are. Borrowing an analytical approach developed in the field of network analysis, we assessed how much the observed ecological patterns of nestedness (i.e. positive co-occurrence), segregation (i.e. negative co-occurrence), and modularity in tree assemblages deviate from randomness, and from those projected by Potential Natural Vegetation (PNV) geobotanical expert assessments. We found clear evidence that European forests are far from a natural condition, showing only moderate signals (especially at higher latitudes) of the ecological spatial structure typical of undisturbed vegetation (i.e. nestedness). Our results highlight how taking into account spatial structure along with diversity can be a fundamental tool to address this problem and assess the degree of naturalness in species assemblages.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0165178&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/25223
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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File Name/ File Size	Content Type	Version	Access	License
journal.pone.0165178.pdf（2621KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

European Commission, Joint Research Centre, Directorate D - Sustainable Resources – Bio-Economy Unit, Ispra (VA), Italy;European Commission, Joint Research Centre, Directorate D - Sustainable Resources – Bio-Economy Unit, Ispra (VA), Italy;Department of Biology, Texas State University, San Marcos, United States of America;European Commission, Joint Research Centre, Directorate D - Sustainable Resources – Bio-Economy Unit, Ispra (VA), Italy;European Commission, Joint Research Centre, Directorate D - Sustainable Resources – Bio-Economy Unit, Ispra (VA), Italy;Department of Life, Health & Environmental Sciences, University of L’Aquila, L’Aquila, Italy;CE3C – Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores - Departamento de Ciências Agrárias, Angra do Heroísmo, Açores, Portugal

Recommended Citation:

Giovanni Strona,Achille Mauri,Joseph A. Veech,et al. Far from Naturalness: How Much Does Spatial Ecological Structure of European Tree Assemblages Depart from Potential Natural Vegetation?[J]. PLOS ONE,2016-01-01,11(12)

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