TICHÝ, Lubomír. New similarity indices for the assignment of relevés to vegetation units of an existing phytosociological classification. Plant Ecology. Netherlands: Springer, 2005, vol. 179, No 1, p. 67-72. ISSN 1385-0237.
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Basic information
Original name New similarity indices for the assignment of relevés to vegetation units of an existing phytosociological classification
Name in Czech Nové indexy podobnosti pro přiřazení snímků k vegetačním jednotkám existující fytocenologické klasifikace
Authors TICHÝ, Lubomír (203 Czech Republic, guarantor).
Edition Plant Ecology, Netherlands, Springer, 2005, 1385-0237.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10600 1.6 Biological sciences
Country of publisher Netherlands
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 1.011
RIV identification code RIV/00216224:14310/05:00013003
Organization unit Faculty of Science
UT WoS 000231805000006
Keywords in English Computerised matching; Constant species; Diagnostic species; Expert system; Fidelity; Similarity; Synoptic table; Vegetation classification.
Tags Computerised matching, Constant species, Diagnostic species, expert system, Fidelity, similarity, Synoptic table, Vegetation classification.
Changed by Changed by: doc. Mgr. Lubomír Tichý, Ph.D., učo 6669. Changed: 4/4/2006 15:48.
Abstract
Every proposed vegetation classification is sooner or later confronted with an accumulation of new data, which has to be assigned to existing vegetation units. Indices similarity between new relevés (vegetation plots) and constancy columns of vegetation units is a suitable for assigning the relevés to these units. This paper compares several similarity indices using simulated data sets of which the relevés include in the species composition either randomly distributed or diagnostic species. Traditional indices, based only on species composition, and similarity indices, which include species fidelity, differ. However, both types of indices failed in some situations and thus are not reliable methods of additional relevé assignment. Therefore a combined Frequency-Positive Fidelity Index is proposed. This new index includes compositional similarity and retains the advantages and lacks the disadvantages of tested indices. Procedures for calculating of all these indices are available in the JUICE program (http://www.sci.muni.cz/botany/juice.htm).
Abstract (in Czech)
Článek popisuje možnosti dodatečného přičlenění fytocenologických snímků k vytvořeným vegetačním typům. Srovnává použití indexů podobnosti fytocenologických snímků založených na frekvenci a fidelitě a analyzuje jejich přednosti a nedostatky. Nakonec navrhuje nový index, který kombinuje frekvenci a fidelitu, a nejlépe tak odráží fytocenologickou příslušnost snímků k určitému typu vegetace.
Links
GA206/05/0020, research and development projectName: Vegetace České republiky: formalizovaná typizace, monografie a expertní systém
Investor: Czech Science Foundation, Vegetation of the Czech Republic: formalized typology, monograph and expert system
MSM0021622416, plan (intention)Name: Diverzita biotických společenstev a populací: kauzální analýza variability v prostoru a čase
Investor: Ministry of Education, Youth and Sports of the CR, Diversity of Biotic Communities and Populations: Causal Analysis of variation in space and time
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