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Optimizing the conservation of migratory species over their full annual cycle.


ABSTRACT: Limited knowledge of the distribution, abundance, and habitat associations of migratory species hinders effective conservation actions. We use Neotropical migratory birds as a model group to compare approaches to prioritize land conservation needed to support ≥30% of the global abundances of 117 species. Specifically, we compare scenarios from spatial optimization models to achieve conservation targets by: 1) area requirements for conserving >30% abundance of each species for each week of the year independently vs. combined; 2) including vs. ignoring spatial clustering of species abundance; and 3) incorporating vs. avoiding human-dominated landscapes. Solutions integrating information across the year require 56% less area than those integrating weekly abundances, with additional reductions when shared-use landscapes are included. Although incorporating spatial population structure requires more area, geographical representation among priority sites improves substantially. These findings illustrate that globally-sourced citizen science data can elucidate key trade-offs among opportunity costs and spatiotemporal representation of conservation efforts.

SUBMITTER: Schuster R 

PROVIDER: S-EPMC6465267 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature

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Optimizing the conservation of migratory species over their full annual cycle.

Schuster Richard R   Wilson Scott S   Rodewald Amanda D AD   Arcese Peter P   Fink Daniel D   Auer Tom T   Bennett Joseph R JR  

Nature communications 20190415 1


Limited knowledge of the distribution, abundance, and habitat associations of migratory species hinders effective conservation actions. We use Neotropical migratory birds as a model group to compare approaches to prioritize land conservation needed to support ≥30% of the global abundances of 117 species. Specifically, we compare scenarios from spatial optimization models to achieve conservation targets by: 1) area requirements for conserving >30% abundance of each species for each week of the ye  ...[more]

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