Vegetation on expansive clay soils from Madrid and La Sagra region (Madrid-Toledo, Spain)

Soils rich in expansive clays (i.e., smectite and montmorillonite, and, to a lesser extent, soft clays such as sepiolite and palygorskite) are found in a broad stretch running NNE-SSW from the east of Madrid to the Tagus River surrounds in the province of Toledo. These clays tend to give rise to a s...

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Main Authors: Enrique Luengo, Rosina Magaña Ugarte, Juan Manuel Martínez Labarga, Rubén de Pablo Sanz, Daniel Sánchez-Mata
Format: Article
Language:English
Published: Universidad Complutense de Madrid 2023-10-01
Series:Mediterranean Botany
Subjects:
Online Access:https://revistas.ucm.es/index.php/MBOT/article/view/87773
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author Enrique Luengo
Rosina Magaña Ugarte
Juan Manuel Martínez Labarga
Rubén de Pablo Sanz
Daniel Sánchez-Mata
author_facet Enrique Luengo
Rosina Magaña Ugarte
Juan Manuel Martínez Labarga
Rubén de Pablo Sanz
Daniel Sánchez-Mata
author_sort Enrique Luengo
collection DOAJ
description Soils rich in expansive clays (i.e., smectite and montmorillonite, and, to a lesser extent, soft clays such as sepiolite and palygorskite) are found in a broad stretch running NNE-SSW from the east of Madrid to the Tagus River surrounds in the province of Toledo. These clays tend to give rise to a specific type of soil, known as "vertisols" or related argillic soils with vertic behaviour, varied chemical and sedimentological composition, and occasionally siliceous or dolomitic clasts. In these soils, where there is an absence of woody vegetation, the colonising nitrophilous vegetation becomes of particular interest through the usage and alteration of the land. These argillic soil plant communities are incredibly diversified, with flora suited to the unique hydrogeochemical conditions of these settings. The variety of these plant communities is determined by factors such as land use, lithology, terrain, and the level of humidity they can withstand. We identify the primary plant community on the Madrid-Toledo expansive clays in this paper, as well as provide a preliminary approach to the different varieties and transitions to other related plant communities. The main dynamic and catena links are established, and a floristically summarised table is provided, along with a descriptive examination of the community's behaviour and variability. Finally, its conservation status and the high degree of threat to which it is subjected are assessed.
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spelling doaj.art-b4b8008f80834c7d8f93045f36ae3edf2023-10-20T22:10:43ZengUniversidad Complutense de MadridMediterranean Botany2603-91092023-10-01Online first10.5209/mbot.87773Vegetation on expansive clay soils from Madrid and La Sagra region (Madrid-Toledo, Spain)Enrique Luengo0Rosina Magaña Ugarte1Juan Manuel Martínez Labarga2Rubén de Pablo Sanz3Daniel Sánchez-Mata4ARBA-Bajo JaramaDepartamento de Farmacología, Farmacognosia y Botánica, Facultad de Farmacia, Universidad Complutense de MadridDepartamento de Sistemas y Recursos Naturales, E.T.S.I. Montes, Forestal y del Medio Natural, Universidad Politécnica de MadridIEM El Carrascal, Arganda del Rey, Madrid, Spain.Departamento de Farmacología, Farmacognosia y Botánica, Facultad de Farmacia, Universidad Complutense de MadridSoils rich in expansive clays (i.e., smectite and montmorillonite, and, to a lesser extent, soft clays such as sepiolite and palygorskite) are found in a broad stretch running NNE-SSW from the east of Madrid to the Tagus River surrounds in the province of Toledo. These clays tend to give rise to a specific type of soil, known as "vertisols" or related argillic soils with vertic behaviour, varied chemical and sedimentological composition, and occasionally siliceous or dolomitic clasts. In these soils, where there is an absence of woody vegetation, the colonising nitrophilous vegetation becomes of particular interest through the usage and alteration of the land. These argillic soil plant communities are incredibly diversified, with flora suited to the unique hydrogeochemical conditions of these settings. The variety of these plant communities is determined by factors such as land use, lithology, terrain, and the level of humidity they can withstand. We identify the primary plant community on the Madrid-Toledo expansive clays in this paper, as well as provide a preliminary approach to the different varieties and transitions to other related plant communities. The main dynamic and catena links are established, and a floristically summarised table is provided, along with a descriptive examination of the community's behaviour and variability. Finally, its conservation status and the high degree of threat to which it is subjected are assessed. https://revistas.ucm.es/index.php/MBOT/article/view/87773argillic floraclaysin situ conservationMadridToledoLa Sagra
spellingShingle Enrique Luengo
Rosina Magaña Ugarte
Juan Manuel Martínez Labarga
Rubén de Pablo Sanz
Daniel Sánchez-Mata
Vegetation on expansive clay soils from Madrid and La Sagra region (Madrid-Toledo, Spain)
Mediterranean Botany
argillic flora
clays
in situ conservation
Madrid
Toledo
La Sagra
title Vegetation on expansive clay soils from Madrid and La Sagra region (Madrid-Toledo, Spain)
title_full Vegetation on expansive clay soils from Madrid and La Sagra region (Madrid-Toledo, Spain)
title_fullStr Vegetation on expansive clay soils from Madrid and La Sagra region (Madrid-Toledo, Spain)
title_full_unstemmed Vegetation on expansive clay soils from Madrid and La Sagra region (Madrid-Toledo, Spain)
title_short Vegetation on expansive clay soils from Madrid and La Sagra region (Madrid-Toledo, Spain)
title_sort vegetation on expansive clay soils from madrid and la sagra region madrid toledo spain
topic argillic flora
clays
in situ conservation
Madrid
Toledo
La Sagra
url https://revistas.ucm.es/index.php/MBOT/article/view/87773
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