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Setting conservation priorities for migratory networks under uncertainty
journal contribution
posted on 2017-06-01, 00:00 authored by K L Dhanjal-Adams, Marcel KlaassenMarcel Klaassen, S Nicol, H P Possingham, I Chadès, R A FullerConserving migratory species requires protecting connected habitat along the pathways they travel. Despite recent improvements in tracking animal movements, migratory connectivity remains poorly resolved at a population level for the vast majority of species, hampering conservation prioritisation. In the face of these data limitations, we develop a novel approach to spatial prioritisation based on a model of potential connectivity, derived from empirical data on species abundance and distances travelled between sites while on migration. Applying this approach to migratory shorebirds using the East Asian-Australasian Flyway, we demonstrate that conservation strategies that prioritise sites based on connectivity and abundance together, outperform strategies that only prioritise sites based on the abundance of birds. The conservation value of a site is therefore dependent on both its capacity to support migratory animals and its position within the migratory pathway, with the loss of crucial sites leading to partial or total population collapse. We suggest that strategies prioritising conservation action at sites supporting large populations of migrants should, where possible, be augmented using data or models on the spatial arrangement of sites.
History
Journal
Conservation biologyVolume
31Issue
3Pagination
646 - 656Publisher
Wiley-BlackwellLocation
Chichester, Eng.Publisher DOI
ISSN
0888-8892eISSN
1523-1739Language
engPublication classification
C Journal article; C1 Refereed article in a scholarly journalCopyright notice
2016, Wiley-BlackwellUsage metrics
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No categories selectedKeywords
charadriiformesconnectivityconservation planningdecision makingmaximum flowmigratory speciesprioritisationshorebirdsScience & TechnologyLife Sciences & BiomedicineBiodiversity ConservationEcologyEnvironmental SciencesBiodiversity & ConservationEnvironmental Sciences & EcologyprioritizationLONG-DISTANCE MIGRATIONCONSEQUENCESREQUIREMENTSMOVEMENTSPATTERNSDECLINESBEHAVIORFLYWAYMODELSaves costerasconectividadespecies migratoriasflujo máximoplaneación de la conservaciónpriorizacióntoma de decisiones
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