NDLI: How does size and isolation affect patches of steppe-like vegetation on slumping hills in Transylvania, Romania?

Content Provider	Springer Nature Link
Author	Sutcliffe, Laura M. E. Germany, Markus Becker, Ute Becker, Thomas
Copyright Year	2016
Abstract	The region of Southern Transylvania in Romania contains large expanses of species-rich grassland and mixed farmland. Within these landscapes, clusters of small, steep-sided slumping hills support mosaics of herbaceous vegetation caused by the heterogeneity in temperature and water supply and maintained by mowing or grazing. These are of conservation interest not only for the high species density, but also the relict steppe-like vegetation types especially found on their south-facing slopes. Usually surrounded by more intensively used mesic grassland, these hills can be considered patches of species-rich grassland vegetation. We therefore surveyed the vascular plants in 10 m2 plots on the south- and north-facing slopes of 50 hills in 12 clusters in order to investigate the influence of their size and isolation on the species richness and composition of the vegetation. We found that larger hills had higher plot-scale species richness, a greater proportion of competitive species and a lower proportion of species of steppe-like vegetation, but only on their south-facing slopes where the conditions are more extreme. Both large and small hills should be considered as important habitats and potential sources of propagules for plant communities in the surrounding areas.
Starting Page	2275
Ending Page	2288
Page Count	14
File Format	PDF
ISSN	09603115
Journal	Biodiversity and Conservation
Volume Number	25
Issue Number	12
e-ISSN	15729710
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-05-04
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biodiversity conservation Glimee Dry grassland Fragmentation Island biogeography Movile Biodiversity Ecology Conservation Biology/Ecology Climate Change/Climate Change Impacts
Content Type	Text
Resource Type	Article
Subject	Ecology Ecology, Evolution, Behavior and Systematics Nature and Landscape Conservation

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