A pressure indicator for the impact of Iberian wild goat on moss and soils in a Mediterranean climate

García‑Rodríguez, Manuel, Aroztegui Vélez, Javier, López‑Sánchez, Aida, Peláez, Marta y Perea, Ramón . (2021) A pressure indicator for the impact of Iberian wild goat on moss and soils in a Mediterranean climate. Euro-Mediterranean Journal for Environmental Integration, 6,(76),2021

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Título A pressure indicator for the impact of Iberian wild goat on moss and soils in a Mediterranean climate
Autor(es) García‑Rodríguez, Manuel
Aroztegui Vélez, Javier
López‑Sánchez, Aida
Peláez, Marta
Perea, Ramón
Materia(s) Ciencias
Abstract In the Sierra de Guadarrama National Park (central Spain), the population of Iberian wild goat, also known as Spanish ibex (Capra pyrenaica) has grown strongly since its reintroduction three decades ago. The plant community is now under heavy browsing pressure due to this high population. A study of the presence of moss on rocks was used herein as the basis for the design of an indicator, named impact on mosses (im), to describe the environmental pressure exerted by the Iberian wild goat in terms of moss removal. Granite and gneiss zones at medium altitudes with continental Mediterranean climate are the most suitable areas for successful application of the indicator. The hypotheses to test are: (1) the indicator will discriminate between areas with different wild goat pressure levels, (2) wild goat pressure will explain a high proportion of moss loss variance, and (3) the im indicator will be useful to establish a mathematical model between wild goat pressure and moss loss. The proposed indicator was analyzed using both statistical and data science techniques. The results support the mentioned hypotheses. Specifically, statistically significant differences were found regarding the impact on mosses between areas with different levels of Iberian wild goat pressure. Thus, a high proportion of the variance was associated with wild goat pressure (80% for high-pressure areas, 56% for low-pressure areas). A modified parabolic function was fit to express the relationship between Iberian wild goat pressure and impact on mosses. In conclusion, the im indicator was shown to be a useful tool to assess pressure due to Iberian wild goat. Therefore, im can help assess and manage Iberian wild goat populations and determine their sustainable levels.
Palabras clave Spanish ibex
Moss cover
Soil degradation
Indicator analysis
Data science
Step quadratic function model
Editor(es) Springer
Fecha 2021
Formato application/pdf
Identificador bibliuned:DptoCA-FCIE-Articulos-Mgarcia-0003
http://e-spacio.uned.es/fez/view/bibliuned:DptoCA-FCIE-Articulos-Mgarcia-0003
DOI - identifier https://doi.org/10.1007/s41207-021-00283-2
ISSN - identifier 2365-7448, 2365-6433
Nombre de la revista Euro-Mediterranean Journal for Environmental Integration
Número de Volumen 6
Número de Issue 76
Publicado en la Revista Euro-Mediterranean Journal for Environmental Integration, 6,(76),2021
Idioma eng
Versión de la publicación publishedVersion
Tipo de recurso Article
Derechos de acceso y licencia http://creativecommons.org/licenses/by-nc-nd/4.0
info:eu-repo/semantics/openAccess
Tipo de acceso Acceso abierto
Notas adicionales The registered version of this article, first published in Euro-Mediterranean Journal for Environmental Integration, is available online at the publisher's website: Springer, https://doi.org/10.1007/s41207-021-00283-2
Notas adicionales La versión registrada de este artículo, publicado por primera vez en Euro-Mediterranean Journal for Environmental Integration, está disponible en línea en el sitio web del editor: Springer, https://doi.org/10.1007/s41207-021-00283-2

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Creado: Thu, 25 Jan 2024, 19:45:30 CET