Multiple threats, or multiplying the threats? Interactions between invasive predators and other ecological disturbances

Doherty, Tim S., Dickman, Chris R., Nimmo, Dale G. and Ritchie, Euan G. 2015, Multiple threats, or multiplying the threats? Interactions between invasive predators and other ecological disturbances, Biological conservation, vol. 190, pp. 60-68, doi: 10.1016/j.biocon.2015.05.013.

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Title Multiple threats, or multiplying the threats? Interactions between invasive predators and other ecological disturbances
Author(s) Doherty, Tim S.
Dickman, Chris R.
Nimmo, Dale G.
Ritchie, Euan G.ORCID iD for Ritchie, Euan G. orcid.org/0000-0003-4410-8868
Journal name Biological conservation
Volume number 190
Start page 60
End page 68
Total pages 9
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-10
ISSN 0006-3207
Keyword(s) Science & Technology
Life Sciences & Biomedicine
Biodiversity Conservation
Ecology
Environmental Sciences
Biodiversity & Conservation
Environmental Sciences & Ecology
Apex predator
Biological invasion
Fire ecology
Species interactions
Synergies
Trophic cascade
MESOPREDATOR RELEASE
EASTERN AUSTRALIA
SPECIES REMOVAL
ARID AUSTRALIA
AMERICAN MINK
NEW-ZEALAND
HABITAT USE
FERAL CATS
FIRE
MANAGEMENT
Summary Invasive species have reshaped the composition of biomes across the globe, and considerable cost is now associated with minimising their ecological, social and economic impacts. Mammalian predators are among the most damaging invaders, having caused numerous species extinctions. Here, we review evidence of interactions between invasive predators and six key threats that together have strong potential to influence both the impacts of the predators, and their management. We show that impacts of invasive predators can be classified as either functional or numerical, and that they interact with other threats through both habitat- and community-mediated pathways. Ecosystem context and invasive predator identity are central in shaping variability in these relationships and their outcomes. Greater recognition of the ecological complexities between major processes that threaten biodiversity, including changing spatial and temporal relationships among species, is required to both advance ecological theory and improve conservation actions and outcomes. We discuss how novel approaches to conservation management can be used to address interactions between threatening processes and ameliorate invasive predator impacts.
Language eng
DOI 10.1016/j.biocon.2015.05.013
Field of Research 060207 Population Ecology
05 Environmental Sciences
06 Biological Sciences
07 Agricultural And Veterinary Sciences
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30078863

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