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| rdf:type
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| Description
| - Testování stratifikovaného výběru dat z fytocenologických databází a některých strategií pro získání reprezentativnějších datových souborů pro klasifikační studie (cs)
- Question: The heterogeneous origin of the data in large phytosociological databases may seriously influence the results of their analysis. Therefore we propose some strategies for stratified resampling of such databases, which may improve the representativeness of the data. We also explore the effects of different resampling options on vegetation classification. Methods: We used 6050 plot samples (relevés) of mesic grasslands from the Czech Republic. We stratified this database using (1) geographical stratification in a grid; (2) habitat stratification created by an overlay of digital maps in GIS; (3) habitat stratification with strata defined by traditional phytosociological associations; (4) habitat stratification by numerical classification and (5) habitat stratification by Ellenberg indicator values. Each time we resampled the database, taking equal numbers of relevés per stratum. We then carried out cluster analyses for the resampled data sets and compared the resulting classifications using a ne
- Question: The heterogeneous origin of the data in large phytosociological databases may seriously influence the results of their analysis. Therefore we propose some strategies for stratified resampling of such databases, which may improve the representativeness of the data. We also explore the effects of different resampling options on vegetation classification. Methods: We used 6050 plot samples (relevés) of mesic grasslands from the Czech Republic. We stratified this database using (1) geographical stratification in a grid; (2) habitat stratification created by an overlay of digital maps in GIS; (3) habitat stratification with strata defined by traditional phytosociological associations; (4) habitat stratification by numerical classification and (5) habitat stratification by Ellenberg indicator values. Each time we resampled the database, taking equal numbers of relevés per stratum. We then carried out cluster analyses for the resampled data sets and compared the resulting classifications using a ne (en)
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| Title
| - Stratified resampling of phytosociological databases: some strategies for obtaining more representative data sets for classification studies
- Stratifikovaný výběr dat z fytocenologických databází: některé strategie pro získání reprezentativnějších datových soubor pro klasifikační studie (cs)
- Stratified resampling of phytosociological databases: some strategies for obtaining more representative data sets for classification studies (en)
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| skos:prefLabel
| - Stratified resampling of phytosociological databases: some strategies for obtaining more representative data sets for classification studies
- Stratifikovaný výběr dat z fytocenologických databází: některé strategie pro získání reprezentativnějších datových soubor pro klasifikační studie (cs)
- Stratified resampling of phytosociological databases: some strategies for obtaining more representative data sets for classification studies (en)
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| skos:notation
| - RIV/00216224:14310/05:00012593!RIV06-MSM-14310___
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(GA206/02/0957), P(GA206/05/0020), Z(MSM0021622416)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00216224:14310/05:00012593
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Ellenberg indicator values; Geographical stratification; GIS; Habitat stratification; Phytosociological data; Plant community; Relevé; Sampling design; Survey (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Journal of Vegetation Science
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Chytrý, Milan
- Hájek, Ondřej
- Tichý, Lubomír
- Knollová, Ilona
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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