Grazer effects on plant species richness and tree debarking within orchard pastures

Schmitz, Anjia and López Sánchez, Aida and Roig Gómez, Sonia and Isselstein, Johannes (2016). Grazer effects on plant species richness and tree debarking within orchard pastures. In: "26 th.General Meeting of the European Grassland Federation", 4 a 8 de Septiembre 2016, Trondheim, Noruega. ISBN 978-82-17-01677-9. pp. 642-650.

Description

Title: Grazer effects on plant species richness and tree debarking within orchard pastures
Author/s:
  • Schmitz, Anjia
  • López Sánchez, Aida
  • Roig Gómez, Sonia
  • Isselstein, Johannes
Item Type: Presentation at Congress or Conference (Article)
Event Title: 26 th.General Meeting of the European Grassland Federation
Event Dates: 4 a 8 de Septiembre 2016
Event Location: Trondheim, Noruega
Title of Book: The multiple roles of grassland in the European bioeconomy
Date: September 2016
ISBN: 978-82-17-01677-9
Volume: 21
Subjects:
Freetext Keywords: Orchards, Agroforestry, Grazer species, Debarking.
Faculty: E.U.I.T. Forestal (UPM)
Department: Sistemas y Recursos Naturales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Orchards are traditional agroforestry elements in agricultural landscapes and valuable for nature conservation in Europe. However, their diversity is endangered due to farmland intensification or abandonment. Grazing management promotes plant species diversity but grazers are suspected to harm trees through debarking. We studied 42 orchards within the Rhenish uplands (Germany) and compared horses, cattle and sheep grazing. We analysed how grassland diversity is promoted by the presence of trees and modified by grazing management, as well as how grazers may impact trees. Plant species richness benefited from tree presence, but was not affected by tree-cover and only slightly by grazer species, whereas grazing intensity showed significant negative effects. All grazer species significantly increased recent debarking in the absence of individual tree-protection. Therefore, maintaining species diversity and long-term tree persistence in orchards does not primarily depend upon grazer species, but more especially on grazing intensity and tree-protection.

More information

Item ID: 46016
DC Identifier: http://oa.upm.es/46016/
OAI Identifier: oai:oa.upm.es:46016
Deposited by: Memoria Investigacion
Deposited on: 29 May 2017 15:49
Last Modified: 04 Jun 2018 06:57
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