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Global relationships of pedodiversity and biodiversity

Juan Jose Ibanez and Enrico Feoli
Global relationships of pedodiversity and biodiversity (in Scaling in soil and complex porous media, Alberto Guadagnini (editor), Fernando San Jose Martinez (editor) and Yakov A. Pachepsky (editor))
Vadose Zone Journal (August 2013) 12 (3)


Current studies indicate that biodiversity and pedodiversity may have similar patterns, for example diversity-area relationships. This study examines pedodiversity and biodiversity-area relationships on a global scale using countries as spatial units. The Food and Agricultural Organization (FAO) soil database and International Union for the Conservation of Nature-World Commission on Protected Areas (IUCN-WCMC) biological datasets have been used in this analysis. The results show that biodiversity of biological target groups (the number of species of vascular plants, amphibians, reptiles, birds, mammals, and the total number of species of vertebrates) and pedodiversity (the number of pedotaxa or soil types at the second level of FAO classification) conform to the power law. The two types of diversity are strongly correlated at the global level. When a country has high pedodiversity it has also high biodiversity, and since pedodiversity may be interpreted as an expression of environmental heterogeneity in terms of geological parent material, geomorphology, and climate of a given area, this result suggests that the biodiversity of a country depends both on the extent of its area and on its environmental heterogeneity. We are conscious of the limitations of the results due to the inherent imprecision of the data set used for this study; however, we think that this analysis could motivate interest in continuing to study the pedodiversity-biodiversity relationships with a new pedotaxonomy that would take into consideration the deep regolith layers.

ISSN: 1539-1663
Serial Title: Vadose Zone Journal
Serial Volume: 12
Serial Issue: 3
Title: Global relationships of pedodiversity and biodiversity
Title: Scaling in soil and complex porous media
Author(s): Ibanez, Juan JoseFeoli, Enrico
Author(s): Guadagnini, Albertoeditor
Author(s): San Jose Martinez, Fernandoeditor
Author(s): Pachepsky, Yakov A.editor
Affiliation: University of Valencia, Centro de Investigaciones sobre Desertificacion, Valencia, Spain
Affiliation: Politecnico di Milano, Dipartimento di Ingegneria Civile e Ambientale, Milan, Italy
Published: 201308
Text Language: English
Publisher: Soil Science Society of America, Madison, WI, United States
Number of pages: 5
Meeting name: PEDOFRACT 2012
Meeting location: La Coruna, ESP, Spain
Meeting date: 20120703July 3-6, 2012
References: 58
Accession Number: 2013-073788
Categories: Environmental geology
Document Type: Serial Conference document
Bibliographic Level: Analytic
Illustration Description: illus. incl. 3 tables
Secondary Affiliation: Universidad Politecnica de Madrid, ESP, SpainU. S. Department of Agriculture, USA, United StatesUniversity of Trieste, ITA, Italy
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, Copyright, Soil Science Society of America. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 201344
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