| Structure and diversity of Erica ciliaris and Erica tetralix heathlands at different successional stages after cutting. | |
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MedLine Citation:
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PMID: 21943685 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In NW Europe, it is known that cutting is a useful tool for managers with regard to decisions about the conservation and management of wet heathlands. Nevertheless it is rarely described quantitatively in the international literature. In Spain, knowledge about this is scarce or lacking. In this study, twenty communities were selected in Galicia (NW Spain) that would represent from one to four stages of vegetation development after cutting. Two 5 × 5 m plots were established for each stage to characterise the vegetation on the basis of its species composition, frequency values, vertical structure and linear cover features. The Diversity Shannon index was calculated and multivariate analyses were performed. As succession advanced, notable changes were produced in the cover of dominant species, Erica ciliaris and Ulex gallii in the first stages and Erica tetralix and Genista berberidea in mature ones. Also, the species richness decreased because of the reduced number of herbs species in the mature stages and, finally, the cover values are indicators of the degree of vegetation development, together with the other parameters of height, overlayering or diversity. Cutting is a useful tool for management of heathlands because the existence of vegetation units belonging to different succession stages increases the internal diversity of communities. On the other hand, the vertical and horizontal structure reflects the formidable resilience of the vegetation community to this practice. This study offers a global vision of the dynamics of wet heathlands after cutting, with very useful ecological information that can be used by the people responsible for their management. |
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Authors:
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A Muñoz; J García-Duro; R Alvarez; X M Pesqueira; O Reyes; M Casal |
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Publication Detail:
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Type: - Date: 2011-9-21 |
Journal Detail:
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Title: Journal of environmental management Volume: - ISSN: 1095-8630 ISO Abbreviation: - Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-9-27 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401664 Medline TA: J Environ Manage Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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Departamento de Bioloxía Celular e Ecoloxía, Facultade de Bioloxía, Universidade de Santiago de Compostela, 15782 Campus Sur, Santiago de Compostela, Spain. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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