Missing lynx and trophic cascades in food webs: A reply to Ripple et al.

Abstract Ripple et al. (2011) proposed a hypothesis that the recovery of gray wolves (Canis lupus) may positively affect the viability of threatened Canada lynx (Lynx canadensis) populations in the contiguous United States through indirect species interactions. Ripple et al. (2011) proposed 2 key tr...

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Main Authors: John R. Squires, Nicholas J. DeCesare, Mark Hebblewhite, Joel Berger
Format: Article
Language:English
Published: Wiley 2012-09-01
Series:Wildlife Society Bulletin
Subjects:
Online Access:https://doi.org/10.1002/wsb.186
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author John R. Squires
Nicholas J. DeCesare
Mark Hebblewhite
Joel Berger
author_facet John R. Squires
Nicholas J. DeCesare
Mark Hebblewhite
Joel Berger
author_sort John R. Squires
collection DOAJ
description Abstract Ripple et al. (2011) proposed a hypothesis that the recovery of gray wolves (Canis lupus) may positively affect the viability of threatened Canada lynx (Lynx canadensis) populations in the contiguous United States through indirect species interactions. Ripple et al. (2011) proposed 2 key trophic linkages connecting wolf restoration with lynx recovery. First, recovering wolf populations may benefit lynx through reduced interference and exploitative competition with coyotes (C. latrans). Second, recovering wolf populations may benefit lynx through reduced exploitative competition among ungulates and snowshoe hares (Lepus americanus), the primary prey of lynx. Both proposed linkages have weak or contradictory empirical support in the available literature on lynx–hare ecology, casting doubt on the utility of Ripple et al.'s (2011) hypothesis. Debate over Ripple et al.'s (2011) hypothesis demonstrates the importance of experimental or comparative documentation when proposing trophic cascades in complex food webs. In this case, publishing unsupported opinions as hypotheses that concern complex trophic interactions is a potential disservice to lynx conservation through misallocated research, conservation funding, and misplaced public perception. © 2012 The Wildlife Society.
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spelling doaj-art-8b26d22433ec4fdc824295d60e401d332025-08-20T02:36:19ZengWileyWildlife Society Bulletin2328-55402012-09-0136356757110.1002/wsb.186Missing lynx and trophic cascades in food webs: A reply to Ripple et al.John R. Squires0Nicholas J. DeCesare1Mark Hebblewhite2Joel Berger3United States Department of Agriculture Forest Service, Rocky Mountain Research Station, 800 E Beckwith, Missoula, MT 59801, USAWildlife Biology Program, Department of Ecosystem and Conservation Science, College of Forestry and Conservation, University of Montana, Missoula, MT 59812, USAWildlife Biology Program, Department of Ecosystem and Conservation Science, College of Forestry and Conservation, University of Montana, Missoula, MT 59812, USAWildlife Biology Program, Organismic Biology and Ecology, University of Montana, Missoula, MT 59812, USAAbstract Ripple et al. (2011) proposed a hypothesis that the recovery of gray wolves (Canis lupus) may positively affect the viability of threatened Canada lynx (Lynx canadensis) populations in the contiguous United States through indirect species interactions. Ripple et al. (2011) proposed 2 key trophic linkages connecting wolf restoration with lynx recovery. First, recovering wolf populations may benefit lynx through reduced interference and exploitative competition with coyotes (C. latrans). Second, recovering wolf populations may benefit lynx through reduced exploitative competition among ungulates and snowshoe hares (Lepus americanus), the primary prey of lynx. Both proposed linkages have weak or contradictory empirical support in the available literature on lynx–hare ecology, casting doubt on the utility of Ripple et al.'s (2011) hypothesis. Debate over Ripple et al.'s (2011) hypothesis demonstrates the importance of experimental or comparative documentation when proposing trophic cascades in complex food webs. In this case, publishing unsupported opinions as hypotheses that concern complex trophic interactions is a potential disservice to lynx conservation through misallocated research, conservation funding, and misplaced public perception. © 2012 The Wildlife Society.https://doi.org/10.1002/wsb.186Canada lynxcoyoteelkgray wolfscientific evidencesnowshoe hare
spellingShingle John R. Squires
Nicholas J. DeCesare
Mark Hebblewhite
Joel Berger
Missing lynx and trophic cascades in food webs: A reply to Ripple et al.
Wildlife Society Bulletin
Canada lynx
coyote
elk
gray wolf
scientific evidence
snowshoe hare
title Missing lynx and trophic cascades in food webs: A reply to Ripple et al.
title_full Missing lynx and trophic cascades in food webs: A reply to Ripple et al.
title_fullStr Missing lynx and trophic cascades in food webs: A reply to Ripple et al.
title_full_unstemmed Missing lynx and trophic cascades in food webs: A reply to Ripple et al.
title_short Missing lynx and trophic cascades in food webs: A reply to Ripple et al.
title_sort missing lynx and trophic cascades in food webs a reply to ripple et al
topic Canada lynx
coyote
elk
gray wolf
scientific evidence
snowshoe hare
url https://doi.org/10.1002/wsb.186
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AT nicholasjdecesare missinglynxandtrophiccascadesinfoodwebsareplytorippleetal
AT markhebblewhite missinglynxandtrophiccascadesinfoodwebsareplytorippleetal
AT joelberger missinglynxandtrophiccascadesinfoodwebsareplytorippleetal