Using macroecological species distribution models to estimate changes in the suitability of sites for threatened species reintroduction

Bellis, Joe, Longden, Mike, Styles, Joshua and Dalrymple, Sarah (2021) Using macroecological species distribution models to estimate changes in the suitability of sites for threatened species reintroduction. [Data Collection]

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Abstract

1. Species reintroductions often aim to establish populations of threatened taxa over the long-term. However, climate change may jeopardise reintroduction efforts by altering the conditions of a recipient site beyond the tolerances of the focal species. To avoid the selection of recipient sites with high climate change vulnerability, species distribution models (SDMs) have been proposed as a method of locating areas with a greater likelihood of retaining their suitability in the future.

2. We applied SDMs to predict macroclimatic suitability changes for 13 threatened plant and invertebrate species considered for reintroduction at four lowland raised bog sites undergoing restoration. We estimated suitability based on current and projected future conditions under two greenhouse gas concentration scenarios – one low (RCP2.6) and one high (RCP8.5) – using three general circulation models, for the period 2041-2060.

3. When considering current predicted suitability, our models indicated that nine species were viable candidates for reintroduction to at least one of the restoration sites. But when accounting for potential future changes in suitability, the number of candidates was reduced to seven species, based on the RCP8.5 climate change scenario. While three of the sites received consistently similar predictions of suitability across species and scenarios, the most northerly site, Red Moss, received divergent suitability predictions for some species. This site is predicted to remain suitable for Metrioptera brachyptera and Genista anglica under at least one scenario despite substantial losses forecast across the rest of their U.K. ranges, suggesting that it could act as a macroclimatic refuge as climate change advances.

4. The findings presented here made a valuable contribution to the reintroduction planning process, by facilitating the prioritisation of reintroduction efforts towards species with a greater likelihood of establishing long-term populations at the potential recipient sites.

Creators: Bellis, Joe, Longden, Mike, Styles, Joshua and Dalrymple, Sarah
Uncontrolled Keywords: species distribution model; translocation; lowland raised bog
DOI: https://doi.org/10.24377/LJMU.d.00000088
Division: Biological & Environmental Sciences (new Sep 19)
Field of Research: Biological sciences
Environmental sciences
Environmental sciences > Climate change impacts and adaptation
Date Deposited: 22 Jan 2021 09:45
Last Modified: 09 Feb 2024 09:08
URI: https://opendata.ljmu.ac.uk/id/eprint/88
Data collection method: Downloaded from open repositories
Resource language: English
Metadata language: English
Collection period:
FromTo
20192020

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  • Bellis, Joe
  • Longden, Mike
  • Styles, Joshua
  • Dalrymple, Sarah

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