Asymmetric cross-border protection of peripheral transboundary species

Daniel H. Thornton, Aaron J. Wirsing, Carlos Lopez-Gonzalez, John R. Squires, Scott Fisher, Karl W. Larsen, Alan Peatt, Matt A. Scrafford, Ron A. Moen, Arthur E. Scully, Travis W. King, Dennis L. Murray

Research output: Contribution to journalLetterpeer-review

10 Scopus citations

Abstract

International political boundaries challenge species conservation because they can hinder coordinated management. Peripheral transboundary species, those with a large portion of their range in one country and a small, peripheral portion in an adjacent country, may be particularly vulnerable to mismatches in management because peripheral populations are likely in greater conservation need than core populations. However, no systematic assessment of peripheral transboundary species or their status across borders has been attempted. We show that numerous species in three vertebrate taxa qualify as peripheral transboundary species in North America, and that these species are often protected differently across US–Canadian and US–Mexican borders. Asymmetries in cross-border protection may threaten populations through disruption of connectivity between periphery and core regions and are especially relevant given expected impacts of climate change and the US–Mexico border wall. Our results highlight the need for greater international collaboration in management and planning decisions for transboundary species.

Original languageEnglish (US)
Article numbere12430
JournalConservation Letters
Volume11
Issue number3
DOIs
StatePublished - May 1 2018

Bibliographical note

Funding Information:
National Science Foundation, Grant/Award Number: OISE # 1427542

Funding Information:
Funding for this research was provided by an NSF Catalyzing New International Collaborations (CNIC) grant (OISE # 1427542). Range data for species used in this analysis are available from NatureServe (https://www.natureserve.org/con servation-tools/data-maps-tools/digital-distribution-maps-ma mmals-western-hemisphere) and IUCN (https://www.iucnred list.org/technical-documents/spatial-data). We thank Helen Vogel for assistance with collating data on species conservation listings in the three countries.

Publisher Copyright:
Copyright and Photocopying: © 2017 The Authors. Conservation Letters published by Wiley Periodicals, Inc.

Keywords

  • climate change
  • conservation planning
  • international border
  • protection status
  • range
  • transboundary
  • vertebrates

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