Halophytic plant community patterns in Mediterranean saltmarshes: shedding light on the connection between abiotic factors and the distribution of halophytes

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Title: Halophytic plant community patterns in Mediterranean saltmarshes: shedding light on the connection between abiotic factors and the distribution of halophytes
Authors: Moreno, Joaquín | Terrones Contreras, Alejandro | Juan, Ana | Alonso-Vargas, M. Angeles
Research Group/s: Botánica y Conservación Vegetal
Center, Department or Service: Universidad de Alicante. Departamento de Ciencias Ambientales y Recursos Naturales | Universidad de Alicante. Centro Iberoamericano de la Biodiversidad
Keywords: Edaphic factors | Plant community structure | Environmental gradients | Quantitative ecology | Vegetation distribution
Knowledge Area: Botánica
Issue Date: Sep-2018
Publisher: Springer International Publishing
Citation: Plant and Soil. 2018, 430(1-2): 185-204. doi:10.1007/s11104-018-3671-0
Abstract: Aims Establishing a vegetation-soil model in Mediterranean saltmarshes based on the relationships between the plant communities and the abiotic factors, considering temporary variation. Methods Relationships between perennial plant species abundances and plant communities were analysed by DCAs. A CCA was performed to study the relationships between floristic composition and edaphic variables. Sixteen soil variables and Pearson correlations between them were considered. Marginal and conditional effects were supported by mixed ANOVA. Statistical analyses were performed to check temporary variation. Results DCAs results showed eight vegetation types. CCA showed E.C. as the main gradient, with the succulent halophyte communities growing in high E.C. soils. SAR and percentage of sand were considered as secondary gradients. Finally, the highest values of the edaphic variables were observed, in general, during the cold period. Conclusions The main gradient of salinity, together with sodicity and texture gradients, would markedly influence the plant distribution in Mediterranean saltmarshes. Two principal plant zones were observed: succulent zone vs. non-succulent zone, with a specific edaphic distribution for each plant community and for the proposed Limonium morphotypes treatment. A plant-soil model based on these three gradients is here proposed. Our results would complement the previous knowledge about plant-soil relationships in Mediterranean saltmarshes.
Sponsor: This research was supported by project OAPN 354/2011 (M° de Agricultura, Alimentación y Medio Ambiente, Spanish Government) and FPU grant AP-2012-1954 (M° de Educación, Spanish Government). This research has been supported by the Languages Service (University of Alicante) for the elaboration of Ph.D. Theses in Valencian and foreign languages.
URI: http://hdl.handle.net/10045/79512
ISSN: 0032-079X (Print) | 1573-5036 (Online)
DOI: 10.1007/s11104-018-3671-0
Language: eng
Type: info:eu-repo/semantics/article
Rights: © Springer International Publishing AG, part of Springer Nature 2018
Peer Review: si
Publisher version: https://doi.org/10.1007/s11104-018-3671-0
Appears in Collections:INV - BotCoVe - Artículos de Revistas

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