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Publication Type J
Authors Witte, S., H. Freund, N. Buhk, K. Klement, T. Schurmann and L. Giani
Title Impact of pedological conditions on the distribution of Salicornia species (Southern North Sea coast)
Source Journal of Coastal Conservation
Author Keywords Saltmarshes Salic Fluvisols Halophytes Coastal habitats North Sea Glasswort dolichostachya moss l.
Abstract The zonation of different Salicornia species within saltmarshes has been described controversially in prior publications. The aim of this study is to detect substantial relations between pedological conditions and the distribution of different Salicornia species (Salicornia stricta Dumort. 1868, Salicornia europaea L. 1753, and Salicornia procumbens Sm 1813). 37 sites were investigated regarding vegetation pattern, soil morphology and physicochemical and chemical soil properties. A multivariate approach indicate a clear differentiation of the sites dominated by different Salicornia species in respect to sand content, redox potential and water content. However, results of a detailed statistical assessment indicate that redox potential and salinity are the most relevant parameters. Salicornia stricta sites are characterized by a variety of grain sizes, reduced conditions in the rhizosphere, highest water contents (median: 71.5 Vol-%) and lowest Eh values (median: -19.0 mV), indicating the best adaptation to anaerobic soil conditions. Salicornia procumbens occurs on aerated soils (median Eh: 455.6 mV) with high sand contents independent to position relative to mean high tide level. Exhibiting the lowest (11.5aEuro degrees) and highest soil salinities (41.7aEuro degrees), even developing in salt pans (136aEuro degrees), Salicornia europaea feature a great ecological amplitude regarding temporal variations of salinity. These findings underline the ecotypic and phenotypic plasticity of Salicornia species and offer a promising approach for further experimental settings focussing on phenotypic adaptions and ecological amplitudes of Salicornia taxa and ecotypes.
Author Address [Witte, Sarah; Buhk, Niklas; Klement, Kerstin; Schuermann, Timo; Giani, Luise] Carl von Ossietzky Univ Oldenburg, Inst Biol & Environm Sci, D-26111 Oldenburg, Germany. [Freund, Holger] Carl von Ossietzky Univ Oldenburg, Inst Biol & Chem Marine Environm, D-26111 Oldenburg, Germany. Witte, S (reprint author), Carl von Ossietzky Univ Oldenburg, Inst Biol & Environm Sci, D-26111 Oldenburg, Germany. sarah.witte@uni-oldenburg.de
ISSN 1400-0350
ISBN 1400-0350
29-Character Source Abbreviation J. Coast. Conserv.
Publication Date Feb
Year Published 2018
Volume 22
Issue 1
Beginning Page 79-85
Digital Object Identifier (DOI) 10.1007/s11852-016-0487-z
Unique Article Identifier WOS:000425016300006
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