Estimate of vegetation dynamics in the Volga Delta

Голуб, В. Б.; Старичкова, К. А.; Бармин, А. Н.; Iolin, M. M.; Sorokin, A. N.; Николайчук, Л. Ф.

doi:10.1134/s2079096113030037

Cited by 6 publications

(1 citation statement)

References 3 publications

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“…Це потужний кількісний метод, який дозволяє оцінювати і верифікувати класифікацію геоботанічних таблиць, але, на жаль, у фітоценології пострадянського простору цей та інші методи оцінки якості класифікації, запропоновані європейськими фітоценологами, застосовуються дуже рідко [GOLUB et al, 2012;GOLUB et al, 2013].…”

Section: таблиця 2 таблиця спряженості 2*c для розрахунку вірності видівunclassified

Quantifying the quality of phytocoenotic classification (theoretical-methodological aspect)

Goncharenko¹

2016

CBJ

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This article reviews quantitative approaches to assessing the quality of phytocoenons and phytocoenotic classification. Mathematical criterion is based on calculating phytocoenon's compactness / distinctness ratio computed from a distance matrix between releves by species composition. Floristic criterion assumes evaluating diagnostic power of species and takes into account total amount of differential species which are classified statistically with fidelity indexes. We also considered related methods which European phytocoenologists applied for the same purpose-among them indexes of sharpness and uniqueness of syntaxon and the Optimclass approach. We measured resemblance of phytocoenotic classifications of the dataset using contingency tables and nominal correlation coefficients. We determined stability of phytocoenons and the robustness of the cluster topology using bootstrapping methods.

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Section: таблиця 2 таблиця спряженості 2*c для розрахунку вірності видівunclassified

Quantifying the quality of phytocoenotic classification (theoretical-methodological aspect)

Goncharenko¹

2016

CBJ

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Xerophytization of the Flora and Vegetation in the Northern Part of the Volga–Akhtuba Floodplain

Chuvashov

Голуб

2021

Russ J Ecol

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Changes in environmentally significant characteristics of the hydrological regime of the Lower Volga under runoff control

Shumova

2014

Arid Ecosyst

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Estimate of vegetation dynamics in the Volga Delta

Cited by 6 publications

References 3 publications

Quantifying the quality of phytocoenotic classification (theoretical-methodological aspect)

Quantifying the quality of phytocoenotic classification (theoretical-methodological aspect)

Xerophytization of the Flora and Vegetation in the Northern Part of the Volga–Akhtuba Floodplain

Changes in environmentally significant characteristics of the hydrological regime of the Lower Volga under runoff control

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