New similarity indices for the assignment of relevés to vegetation units of an existing phytosociological classification

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.

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

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Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10600 1.6 Biological sciences

Country of publisher

Netherlands

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

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.

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Abstract

V originále

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).

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.

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Links

GA206/05/0020, research and development project	Name: 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