Integrating threat mapping and animal movement data to identify high‐risk areas for endangered mobile species
Abstract Given the current biodiversity crisis, understanding how animals move across a landscape dotted with different anthropogenic threats and the consequences of those threats for animals is paramount to devising evidence‐based conservation interventions. Vultures roam across large areas and are highly exposed to poisoning, which represents a particularly damaging form of wildlife crime. In this study, we introduce a framework for quantifying the exposure to threats and illustrate an example of poisoning risk as a threat in an endangered African vulture species, the Lappet‐faced Vulture ( Torgos tracheliotos ). We combined GPS tracking data of 19 individuals collected between 2012 and 2022 with food availability and spatial threat maps of both intentional (poachers directly targeting vultures) and unintentional (farmers aiming to kill carnivores, with vultures being secondarily affected) poisoning across most of Southern Africa. We identified poisoning hotspots in northern Botswana and south‐eastern Namibia. These areas were also associated with a high number of vulture mortalities, providing additional support for poisoning risk. Northern Botswana and areas at the border between Botswana and South Africa were characterized by high food availability, potentially amplifying the mortality rate by attracting vultures from surrounding areas. Our results offer valuable insights for regional vulture conservation, together with a methodological framework for quantifying and mapping the spatial exposure to threats for mobile species of conservation concern, enabling improved targeting of conservation actions.
Authors
- Glyn Maude (ORCID: https://orcid.org/0000-0003-2399-3415)
- Jörg Melzheimer
- Robert L. Thomson (ORCID: https://orcid.org/0000-0002-6958-1259)
- Andrea Santangeli (ORCID: https://orcid.org/0000-0003-0273-1977)
- Richard P. Reading (ORCID: https://orcid.org/0000-0003-1838-472X)
- H. Kolberg
- Ortwin Aschenborn (ORCID: https://orcid.org/0000-0002-7494-3795)
- Orr Spiegel (ORCID: https://orcid.org/0000-0001-8941-3175)
- Teja Curk (ORCID: https://orcid.org/0000-0002-9082-6433)
- André Botha (ORCID: https://orcid.org/0000-0003-1077-1215)
- Arjun Amar (ORCID: https://orcid.org/0000-0002-7405-1180)
- Gareth P. Hempson (ORCID: https://orcid.org/0000-0001-8055-4895)
- Moses Selebatso (ORCID: https://orcid.org/0000-0003-1302-2981)
- Rebecca Garbett (ORCID: https://orcid.org/0000-0002-7930-7536)
- Gareth Tate (ORCID: https://orcid.org/0000-0002-1816-317X)
- Fabio Berzaghi (ORCID: https://orcid.org/0000-0002-9139-8274)
Institutions
- Conservation International (US)
- World Maritime University (SE)
- University of Botswana (BW)
- University of Cape Town (ZA)
- Tel Aviv University (IL)
- University of Namibia (NA)
- Botswana Vaccine Institute (Botswana) (BW)
- Mediterranean Institute for Advanced Studies (ES)
- Leibniz Institute for Zoo and Wildlife Research (DE)
- Endangered Wildlife Trust (ZA)
- University of Glasgow (GB)
Publication Details
- Journal
- Animal Conservation
- Published
- 2024-08-19
- DOI
- https://doi.org/10.1111/acv.12980
- Citations
- 1
- Primary Topic
- Wildlife Ecology and Conservation
- Type
- article
- Field-Weighted Citation Impact
- 0.46
Funders
- Rufford Foundation
- Peregrine Fund
- European Commission
- Deutsche Forschungsgemeinschaft
- Deutsches Zentrum für Luft- und Raumfahrt
- Mohammed bin Zayed Species Conservation Fund
- Wilderness Wildlife Trust
- H2020 Marie Skłodowska-Curie Actions