PAPER: Predator-free New Zealand 2050 challenges
URL: https://doi.org/10.1080/03036758.2019.1653940
Scale and complexity implications of making New Zealand predator-free by 2050
July 2019
Peltzer DA, Bellingham PJ, Dickie IA, Houliston G, Hulme PE, Lyver PO, McGlone M, Richardson SJ, Wood J. 2019. Scale and complexity implications of making New Zealand predator-free by 2050. Journal of the Royal Society of New Zealand 49(3): 412-439.
ABSTRACT
The goal to make New Zealand predator-free by 2050 has drawn strong praise and criticism, but these critiques have focused largely on economic or technological feasibility of long-term large-scale eradication. We suggest that achieving this goal is not a simple ‘scaling-up’ of current eradication efforts, but requires enduring co-ordination and integration of research, management and societal elements if a predator-free goal is to become a reality. Here we ask what are the key impediments to eradicating invasive species on a national scale? We highlight four interlinked issues that must be addressed to accomplish a predator-free New Zealand: (1) improved ecological understanding of interactive effects; (2) refinement and development of operational methods; (3) overcoming social and bioethical challenges; and (4) improving governance and partnerships with Māori. Understanding the linkages among these issues can also provide new insights into the biology and ecology of invasions, development of improved eradication methods, and social support or involvement in large-scale conservation management. Addressing these challenges will ultimately improve policy and management of biological invaders and set new international precedents.
KEYWORDS
Biological invasions; conservation biology; ecosystem legacy effects; large-scale eradication; predator-free New Zealand; social-ecological systems
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