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Integrating climate change and habitat fragmentation to identify candidate seed sources for ecological restoration

Harrison, PA ORCID: 0000-0002-3502-0242, Vaillancourt, RE ORCID: 0000-0002-1159-9149, Harris, RMB ORCID: 0000-0002-6426-2179 and Potts, BM ORCID: 0000-0001-6244-289X 2017 , 'Integrating climate change and habitat fragmentation to identify candidate seed sources for ecological restoration' , Restoration Ecology, vol. 25, no. 4 , pp. 524-531 , doi: 10.1111/rec.12488.

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Abstract

Anthropogenic change (climate change and habitat fragmentation) is driving a growing view that local seed collections may need to be supplemented with nonlocal seed as a strategy to bolster genetic diversity and thus increase evolutionary potential of plantings. While this strategy is becoming widely promoted, empirical support is limited, and there is a lack of accessible research tools to assist in its experimental testing. We therefore provide the Provenancing Using Climate Analogues (PUCA) framework that integrates the principles of the climate-adjusted provenancing strategy with concepts from population genetics (i.e. potential inbreeding in small fragmented populations) as both a research and operational-ready tool to guide the collection of nonlocal seed. We demonstrate the application of PUCA using the Midlands of Tasmania, Australia, a region that is currently undergoing large-scale ecological restoration. We highlight multiple nonlocal seed sources for testing by identifying actual species distribution records that currently occupy environments similar to that projected to occur at the restoration site in the future. We discuss the assumptions of PUCA and the ecological considerations that need to be tested when moving nonlocal genotypes across the landscape.

Item Type: Article
Authors/Creators:Harrison, PA and Vaillancourt, RE and Harris, RMB and Potts, BM
Keywords: climate change, restoration ecology, assisted migration, climate analogues, climate matching, climate-adjusted provenancing, Eucalyptus, local provenancing, reforestation
Journal or Publication Title: Restoration Ecology
Publisher: Blackwell Publishing Inc
ISSN: 1061-2971
DOI / ID Number: 10.1111/rec.12488
Copyright Information:

© 2016 Society for Ecological Restoration

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