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Effective Conservation ScienceData Not Dogma$
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Peter Kareiva, Michelle Marvier, and Brian Silliman

Print publication date: 2017

Print ISBN-13: 9780198808978

Published to Oxford Scholarship Online: December 2017

DOI: 10.1093/oso/9780198808978.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 06 May 2021

Introduced species are not always the enemy of conservation

Introduced species are not always the enemy of conservation

(p.39) Chapter 6 Introduced species are not always the enemy of conservation
Effective Conservation Science

Martin A. Schlaepfer

Oxford University Press

This chapter tells the story of how a few biologists came to question whether non-native species were being objectively evaluated with regard to their threat to biodiversity and ecosystems. The chapter examines the criteria that are commonly used to evaluate whether species should be labeled as invasive aliens, and suggests there is merit in assessing both the positive and negative contributions of species. Because invasion biology is a heavily value-laden field in which logic does not always reign, there is resistance to considering the benefits that might accrue from non-native species. Now is the time to think hard about which species are likely to cause clear harm so that management interventions can be aimed where they are most needed, and limited resources are not squandered on relatively harmless ecological invasions.

Keywords:   non-native species, invasion biology, benefits from non-native species

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