Journal article
Selecting umbrella species for conservation: A test of habitat models and niche overlap for beach-nesting birds
Biological Conservation, Vol.203, pp.233-242
2016
Abstract
Umbrella species are rarely selected systematically from a range of candidate species. On sandy beaches, birds that nest on the upper beach or in dunes are threatened globally and hence are prime candidates for conservation intervention and putative umbrella species status. Here we use a maximum-likelihood, multi-species distribution modeling approach to select an appropriate conservation umbrella from a group of candidate species occupying similar habitats. We identify overlap in spatial extent and niche characteristics among four beach-nesting bird species of conservation concern, American oystercatchers (Haematopus palliatus), black skimmers (Rynchops niger), least terns (Sterna antillarum) and piping plovers (Charadrius melodus), across their entire breeding range in New Jersey, USA. We quantify the benefit and efficiency of using each species as a candidate umbrella on the remaining group. Piping plover nesting habitat encompassed 86% of the least tern habitat but only 15% and 13% of the black skimmer and American oystercatcher habitat, respectively. However, plovers co-occur with all three species across 66% of their total nesting habitat extent (~ 649 ha), suggesting their value as an umbrella at the local scale. American oystercatcher nesting habitat covers 100%, 99% and 47% of piping plover, least tern and black skimmer habitat, making this species more appropriate conservation umbrellas at a regional scale. Our results demonstrate that the choice of umbrella species requires explicit consideration of spatial scale and an understanding of the habitat attributes that an umbrella species represents and to which extent it encompasses other species of conservation interest. Notwithstanding the attractiveness of the umbrella species concept, local conservation interventions especially for breeding individuals in small populations may still be needed.
Details
- Title
- Selecting umbrella species for conservation: A test of habitat models and niche overlap for beach-nesting birds
- Authors
- B Maslo (Author) - State University of New Jersey, United StatesK Leu (Author) - State University of New Jersey, United StatesC Faillace (Author) - State University of New Jersey, United StatesM A Weston (Author) - Deakin UniversityT Pover (Author) - Conserve Wildlife Foundation of New Jersey, United StatesThomas Schlacher (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
- Publication details
- Biological Conservation, Vol.203, pp.233-242
- Publisher
- Elsevier BV
- Date published
- 2016
- DOI
- 10.1016/j.biocon.2016.09.012
- ISSN
- 0006-3207
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99450353902621
- Output Type
- Journal article
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- Domestic collaboration
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- Biodiversity Conservation
- Ecology
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