Abstract

Disentangling environmental correlates of vascular plant biodiversity in a <scp>M</scp>editerranean hotspot

Highlights

  • In recent decades, the detailed description and understanding of the distribution of biodiversity on Earth has become one of the most important challenges for ecologists, taxonomists, and evolutionary and conservation biologists

  • Ecology and Evolution published by John Wiley & Sons Ltd

  • We compiled an exhaustive distribution dataset for all the vascular plant species and subspecies occurring in Andalusia and northern Morocco based on the catalogs elaborated by Valdes et al (1987) and Blanca et al (2009) for Andalusia, and by Valdes et al (2002) for northern Morocco

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Summary

Introduction

The detailed description and understanding of the distribution of biodiversity on Earth has become one of the most important challenges for ecologists, taxonomists, and evolutionary and conservation biologists. According to Myers et al (2000), an extraordinarily small proportion of the Earth’s land surface harbors a large part of the world’s plant biodiversity: about 44% of all vascular plant species worldwide are to be found on just 1.4% of the Earth’s surface area. The Mediterranean Basin is one such biodiversity hotspots, mainly due to its high speciation (Cowling et al 1996) and low extinction rates (Rodrıguez-Sanchez et al 2008) It accounts for 4.3% of all extant vascular plant species (but see Medail and Quezel 1997 for a higher estimate) and is only surpassed in this sense by the tropical Andes and the Sundaland biogeographical region in South-East Asia (Myers et al 2000).

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