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Statistical analysis of substrate investigations of terricolous Toninia species in Hungary

Farkas, E. and Veres, K. and Czúcz, B. (2011) Statistical analysis of substrate investigations of terricolous Toninia species in Hungary. Acta Botanica Hungarica, 53 (3-4). pp. 313-320. ISSN 0236-6495

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Abstract

Three common terricolous Toninia species (Toninia opuntioides, T. physaroides and T. sedifolia) — formerly kept under Toninia coeruleonigricans — were investigated in the same locality for comparison of various substrate parameters of their microhabitats. Classification and regression trees (CART) were used to examine the niche preference of these species. Additionally, we also examined the predictability of the colonising species given the particular characteristics of a site. More than two hundred soil samples were analysed in the respect of eight soil parameters. The classification trees revealed that the different species prefer distinct substrate types, each of which was defined by combination of 3–4 environmental variables. Carbonate content, pH, hygroscopicity, soil depth and exposition seem to be the most important predictors of abundance.

Item Type: Article
Subjects: Q Science / természettudomány > QK Botany / növénytan
Depositing User: Endre Sarvay
Date Deposited: 13 Mar 2018 13:05
Last Modified: 13 Mar 2018 13:05
URI: http://real.mtak.hu/id/eprint/78324

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