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Landscape Ecology

, Volume 34, Issue 11, pp 2719–2734 | Cite as

Effects of touristic development on Mediterranean island wildlife

  • Eric KrawczykEmail author
  • Hayden Hedman
  • Panayiotis Pafilis
  • Kathleen Bergen
  • Johannes Foufopoulos
Research Article

Abstract

Context

Islands harbor unique and sensitive wildlife. Little is currently known, however, on how touristic development affects island species. We analyzed how tourism-associated infrastructure impacts wildlife and habitat availability across a representative Mediterranean island landscape (Naxos, Aegean Sea, Greece).

Objectives

First, we aimed to quantify how human-built structures (buildings and roads) affect island bird and reptile populations. Additionally, we investigated whether specific factors associated with this development such as cats, water, and food shape these impacts. Second, we mapped and quantified how touristic-dominated development over 33 years has changed landscape habitat availability for wildlife.

Methods

We used wildlife field surveys and analyses to elucidate the spatial responses of wildlife to development, and combined this with a compilation of image-derived spatial data of the recent infrastructure expansion.

Results

Native birds declined strongly close to buildings and roads, and were replaced there by non-native invasive species. Reptiles also largely disappeared close to human development; appearing to be influenced by predation by pet cats. Over the study period, 1982–2015, human-built structures nearly doubled. Combining the increase in infrastructure numbers with each structure’s estimated ecological footprint, 100 m, revealed that only 20.5% of the potential wildlife habitat remains unaffected by development in the study region.

Conclusions

This study demonstrates the landscape-level effects of diffuse tourism-dominated development on island wildlife and suggests the existence of cooperative effects between touristic expansion and exotic species. Given the pervasive presence of tourism in island habitats, it raises concerns about its effects on resident biodiversity.

Keywords

Birds Reptiles Landscape change Exurban development Greece Feral cats Mediterranean ecosystems 

Notes

Acknowledgements

We would like to thank the University of Michigan School for Environment and Sustainability, International Institute, and the Rackham School for Graduate Studies for providing the support to conduct this research. We also acknowledge the statistical consulting assistance of S.Y.P. Chen from at the University of Michigan CSCAR. We thank J. Fornberg, S. Semegen, B. Graber, K. McDonald, and L. Vesprani, for assistance during the field work portion. We extend our gratitude to V. Tamez, Z. Gizicki, and our friends and family for their advice and support over the course of this study. All fieldwork was conducted with special permission issued from the Greek Ministry of Environment and Energy (Permit code, ΑΔΑ: ΩΘΤ84653Π8-Β3Μ).

Supplementary material

10980_2019_917_MOESM1_ESM.docx (113 kb)
Supplementary material 1 (DOCX 113 kb)

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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.School for Environment and SustainabilityUniversity of MichiganAnn ArborUSA
  2. 2.Department of Zoology and Marine Biology, School of Biology and Zoological MuseumNational and Kapodistrian University of AthensPanepistimioupolisGreece

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