NDLI: Biotope patterns and abundance of meadow plant species in a Norwegian rural landscape

Content Provider	Springer Nature Link
Author	rderhaug, Ann Ihse, Margareta Pedersen, Oddvar
Copyright Year	2000
Abstract	The main purpose of this study was to describe the relative importance of hay meadows and other types of semi-natural grasslands for species diversity and to focus on the impact of the fragmentation of hay meadows on species diversity. The study area was the rural districts of Hjartdal and Seljord in the county of Telemark, southern Norway. Interrelationships between the landscape and vegetation were revealed by combining research at three hierarchical levels, i.e. the landscape, biotope and species levels. A descriptive and analytical technique based on CIR aerial photo interpretation was developed for the landscape mesoscale. The historical background of the landscape and former biotope patterns were described, since traditional and sustained management is an important parameter in the landscape ecological analysis. The vegetation of different grassland biotopes was classified and numerically analysed. The results of the aerial photo interpretation revealed a landscape with considerable complexity and high biodiversity both at landscape level and at biotope and species level, due to the many traditional hay meadows and pastures still left in this area. The results also showed that the remaining fragments of traditional hay meadows are of vital importance for biological diversity. They had the highest average number of species per subplot and furthermore contained species that did not occur in any other grassland biotopes. In addition, the largest populations of several grassland species were found in the traditionally managed hay meadows. Unfertilised pastures and verges along small roads were also species-rich but were not in this connection substitutes for the hay meadows, nor were the `modern' hay meadows or the verges along the main roads. The spatial distribution and configuration of the biotopes and the abundance of meadow plant species within the study area suggest that in order to maintain species diversity it may be important to preserve and manage all the remaining fragments of traditional hay meadows. The surrounding environment, the matrix, should also be managed appropriately.
Starting Page	201
Ending Page	218
Page Count	18
File Format	PDF
ISSN	09212973
Journal	Landscape Ecology
Volume Number	15
Issue Number	3
e-ISSN	15729761
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2000-01-01
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Ecology Landscape Ecology Plant Ecology Forestry Forestry Management Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Geography, Planning and Development Ecology Nature and Landscape Conservation

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