Developing a Classifier for the Habitats Directive Grassland Types in Denmark Using Species Lists for Prediction

Developing a Classifier for the Habitats Directive Grassland Types in Denmark Using Species Lists for Prediction

This paper describes the use of supervised methods for the classification of vegetation. The difference between supervised classification and clustering is outlined, with reference to their current use in vegetation science. In the paper we describe the classification of Danish grasslands according...

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Veröffentlicht in:Applied Vegetation Science. - Opulus Press. - 7(2004), 1, Seite 71-80
1. Verfasser: Ejrnæs, Rasmus (VerfasserIn)
Weitere Verfasser: Bruun, Hans Henrik, Aude, Erik, Buchwald, Erik
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2004
Zugriff auf das übergeordnete Werk:Applied Vegetation Science
Schlagworte:Classification Clustering Community Conservation Discriminant analysis Statistical modelling Supervised classification TWINSPAN Vegetation mapping Biological sciences mehr... Information science Religion Applied sciences
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520 |a This paper describes the use of supervised methods for the classification of vegetation. The difference between supervised classification and clustering is outlined, with reference to their current use in vegetation science. In the paper we describe the classification of Danish grasslands according to the Habitats Directive of the European Union, and demonstrate how a supervised classification can be used to achieve a standardized and statistical interpretation within a local flora. We thereby offer a statistical solution to the legal problem of protection of certain selected habitat types. The Habitats Directive protects three types of Danish grassland habitats, whereas two remaining types fall outside protection. A classification model is developed, using available Danish grassland data, for the discrimination of these five types based on their species composition. This new Habitats Directive classification is compared to a previously published unsupervised classification of Danish grassland vegetation. An indicator species analysis is used to find significant indicator species for the three protected habitat types in Denmark, and these are compared to the characteristic species mentioned in the interpretation manual of the Habitats Directive. Eventually, we discuss the pros and cons of supervised and unsupervised classification and conclude that supervised methods deserve more attention in vegetation science. 
540 |a Copyright 2004 The International Association for Vegetation Science 
650 4 |a Classification 
650 4 |a Clustering 
650 4 |a Community 
650 4 |a Conservation 
650 4 |a Discriminant analysis 
650 4 |a Statistical modelling 
650 4 |a Supervised classification 
650 4 |a TWINSPAN 
650 4 |a Vegetation mapping 
650 4 |a Biological sciences  |x Biology  |x Botany  |x Plant ecology  |x Vegetation 
650 4 |a Biological sciences  |x Biology  |x Conservation biology  |x Conservation agriculture  |x Habitat conservation 
650 4 |a Information science  |x Data products  |x Datasets 
650 4 |a Biological sciences  |x Biology  |x Biological taxonomies  |x Species  |x Indicator species 
650 4 |a Biological sciences  |x Ecology  |x Ecosystems  |x Biomes  |x Grasslands 
650 4 |a Information science  |x Information management  |x Information classification 
650 4 |a Religion  |x Theology  |x Practical theology  |x Religious practices  |x Ordination 
650 4 |a Applied sciences  |x Research methods  |x Modeling 
650 4 |a Biological sciences  |x Ecology  |x Applied ecology  |x Environmental management  |x Natural resource management  |x Ecosystem management  |x Grassland management  |x Grassland improvement 
650 4 |a Biological sciences  |x Ecology  |x Population ecology  |x Synecology  |x Biocenosis  |x Plant communities 
655 4 |a research-article 
700 1 |a Bruun, Hans Henrik  |e verfasserin  |4 aut 
700 1 |a Aude, Erik  |e verfasserin  |4 aut 
700 1 |a Buchwald, Erik  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Applied Vegetation Science  |d Opulus Press  |g 7(2004), 1, Seite 71-80  |w (DE-627)332167615  |w (DE-600)2053083-3  |x 1654109X  |7 nnns 
773 1 8 |g volume:7  |g year:2004  |g number:1  |g pages:71-80 
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