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Landscape functional connectivity for butterflies under different scenarios of land-use, land-cover, and climate change in Australia

View ORCID ProfileVishesh L. Diengdoh, Stefania Ondei, View ORCID ProfileRahil J. Amin, Mark Hunt, View ORCID ProfileBarry W. Brook
doi: https://doi.org/10.1101/2022.02.07.479372
Vishesh L. Diengdoh
1School of Natural Sciences, University of Tasmania, Private Bag 55, Hobart TAS 7005 Australia
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  • For correspondence: vishesh.diengdoh@utas.edu.au
Stefania Ondei
1School of Natural Sciences, University of Tasmania, Private Bag 55, Hobart TAS 7005 Australia
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Rahil J. Amin
1School of Natural Sciences, University of Tasmania, Private Bag 55, Hobart TAS 7005 Australia
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Mark Hunt
1School of Natural Sciences, University of Tasmania, Private Bag 55, Hobart TAS 7005 Australia
3ARC Industrial Transformation Training Centre for Forest Value, Australia
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Barry W. Brook
1School of Natural Sciences, University of Tasmania, Private Bag 55, Hobart TAS 7005 Australia
2ARC Centre of Excellence for Australian Biodiversity and Heritage, Australia
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Abstract

Pollinating invertebrates are vital to terrestrial ecosystems but are impacted by anthropogenic habitat loss/fragmentation and climate change. Conserving and improving landscape connectivity is important to offset those threats, yet its assessment for invertebrates is lacking. In this study, we evaluated the functional connectivity between protected areas in Australia for 59 butterfly species, under present conditions and different future scenarios (for 2050 and 2090) of land-use, land-cover, and climate change. Using circuit-theory analysis, we found that functional connectivity under present conditions varies widely between species, even when their estimated geographical ranges are similar. Under future scenarios, functional connectivity is predicted to decrease overall, with negative changes worsening from 2050 to 2090, although a few species are positive exceptions. We have made our results available as spatial datasets to allow comparisons with taxa from other studies and can be used to identify priority areas for conservation in terms of establishing ecological corridors or stepping-stone habitat patches. Our study highlights the importance of considering pollinating invertebrates when seeking holistic conservation and restoration of a landscape’s functional connectivity, underscoring the need to expand and promote protected areas to facilitate functional connectivity under future scenarios of global change.

Research Data The habitat suitability maps and functional connectivity maps are made available as GeoTiff images via Figshare (10.6084/m9.figshare.19130078).

Competing Interest Statement

The authors have declared no competing interest.

Footnotes

  • e: vishesh.diengdoh{at}utas.edu.au, e: stefania.ondei{at}utas.edu.au, e: RahilJasminkumar.Amin{at}utas.edu.au, e: M.Hunt{at}utas.edu.au, e: barry.brook{at}utas.edu.au

  • Declaration of competing interest, None.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted February 10, 2022.
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Landscape functional connectivity for butterflies under different scenarios of land-use, land-cover, and climate change in Australia
Vishesh L. Diengdoh, Stefania Ondei, Rahil J. Amin, Mark Hunt, Barry W. Brook
bioRxiv 2022.02.07.479372; doi: https://doi.org/10.1101/2022.02.07.479372
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Landscape functional connectivity for butterflies under different scenarios of land-use, land-cover, and climate change in Australia
Vishesh L. Diengdoh, Stefania Ondei, Rahil J. Amin, Mark Hunt, Barry W. Brook
bioRxiv 2022.02.07.479372; doi: https://doi.org/10.1101/2022.02.07.479372

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