How will climate and land use hit bird diversity?
Integrating climate and land-use change via land-cover exposure projects substantial impacts on global bird diversity, with clear ecological assumptions.
Source
Projected impacts of climate and land-use change on the global diversity of birds
What they did
Evaluated species’ exposure to climate and land-use change through combined effects on global land cover and bird habitat associations.
What they found
Projected impacts depend on habitat associations and limited dispersal assumptions; range shifts may alleviate some climate impacts while land-use threats remain critical.
The limits
What it doesn't show
Assumes persistent habitat associations and limited dispersal; finer habitat specialization may be missed by coarse land-cover classes.
Key terms
- Land-use change
- Human alteration of habitat cover and management.
- Climate exposure
- Degree to which species face changing climate via habitats.
- Land cover
- Mapped vegetation/habitat classes used as exposure proxy.
- Range shift
- Geographic redistribution that may track climate.
- Habitat specialist
- Species dependent on narrow habitat types.
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Drivers integrated:
Common questions
What taxa?
Birds globally.
Two drivers combined?
Climate and land-use change.
Key assumption?
Persistent habitat associations and limited dispersal.
How might impacts lessen?
Range shifts can alleviate some climate exposure.
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