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|a (DE-627)JST012985341
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|a (JST)20694870
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Parr, Sharon
|e verfasserin
|4 aut
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|a VEGETATION ANALYSIS OF UPLAND BURREN GRASSLANDS OF CONSERVATION INTEREST
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|c 2009
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|a Text
|b txt
|2 rdacontent
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|a Computermedien
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|2 rdamedia
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|a Online-Ressource
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|a This study addresses the classification of grassland and heath communities found within the Burren uplands of Co. Clare and identifies threats to their integrity. Quadrats were taken on a range of sites, focusing on semi-natural, upland grassland and heath of conservation interest. Before analysis, the data set was divided into a heath group and a grassland group based on cover of dwarf shrubs. The data were analysed using TWINSPAN and canonical correspondence analysis. Within the grassland group, two main associations were found: the Sesleria caerulea—Breutelia chrysocoma association of low-nutrient, calcareous, species-rich grasslands, and the Dactylis glomerata—Holcus lanatus association of more-mesotrophic grasslands. Within each group three sub-associations were identified. The heaths also fell into two main groups: one dominated by Dryas octopetala, and the other by Calluna vulgaris. The Dryas heath association formed three sub-associations, while the Calluna heaths formed three distinct associations, including associations of rare alpine heaths with Empetrum nigrum and Arctostaphylos uva-ursi. From direct ordination, significant environmental and management factors, such as altitude, soil depth and grazing pressure, were identified. Trends within the data set suggest a gradual increase in agriculturally favoured species with increased summer grazing. Abandoned and less-grazed areas are threatened by scrub and bracken encroachment.
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|a © 2009 Royal Irish Academy
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|a Biological sciences
|x Ecology
|x Ecosystems
|x Biomes
|x Shrublands
|x Heathlands
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Botany
|x Plant ecology
|x Vegetation
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| 650 |
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4 |
|a Biological sciences
|x Ecology
|x Ecosystems
|x Biomes
|x Grasslands
|x Alpine grasslands
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| 650 |
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4 |
|a Biological sciences
|x Ecology
|x Applied ecology
|x Environmental management
|x Natural resource management
|x Ecosystem management
|x Grassland management
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Conservation biology
|x Conservation agriculture
|x Habitat conservation
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Conservation biology
|x Environmental conservation
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| 650 |
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4 |
|a Physical sciences
|x Earth sciences
|x Geography
|x Geomorphology
|x Topography
|x Highlands
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| 650 |
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4 |
|a Biological sciences
|x Agriculture
|x Agricultural sciences
|x Animal science
|x Animal nutrition
|x Animal feeding methods
|x Grazing
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| 650 |
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4 |
|a Biological sciences
|x Ecology
|x Ecosystems
|x Biomes
|x Grasslands
|x Limestone grasslands
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| 650 |
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4 |
|a Biological sciences
|x Agriculture
|x Agricultural sciences
|x Agronomy
|x Soil science
|x Soils
|x Grassland soils
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| 655 |
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|a research-article
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| 700 |
1 |
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|a O'Donovan, Grace
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ward, Stephen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Finn, John A.
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Biology and Environment: Proceedings of the Royal Irish Academy
|d Royal Irish Academy, 1993
|g 109B(2009), 1, Seite 11-33
|w (DE-627)379481561
|w (DE-600)2135794-8
|x 2009003X
|7 nnns
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|g volume:109B
|g year:2009
|g number:1
|g pages:11-33
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|u https://www.jstor.org/stable/20694870
|3 Volltext
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|d 109B
|j 2009
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|h 11-33
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