Institut for Biologi

Aarhus Universitets segl

J.-C. Svenning

Elephant rewilding indirectly affects the abundance of an arboreal but not generalist savanna lizard

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Elephant rewilding indirectly affects the abundance of an arboreal but not generalist savanna lizard. / Gordon, Christopher E.; Lerm, Rion E.; Allin, Paul et al.

I: Biodiversity and Conservation, Bind 30, Nr. 5, 04.2021, s. 1277-1291.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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Gordon CE, Lerm RE, Allin P, Greve M, Svenning JC. Elephant rewilding indirectly affects the abundance of an arboreal but not generalist savanna lizard. Biodiversity and Conservation. 2021 apr.;30(5):1277-1291. doi: 10.1007/s10531-021-02141-7

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Gordon, Christopher E. ; Lerm, Rion E. ; Allin, Paul et al. / Elephant rewilding indirectly affects the abundance of an arboreal but not generalist savanna lizard. I: Biodiversity and Conservation. 2021 ; Bind 30, Nr. 5. s. 1277-1291.

Bibtex

@article{60d8aee0ce7e49e18decf93f77a15a21,
title = "Elephant rewilding indirectly affects the abundance of an arboreal but not generalist savanna lizard",
abstract = "Trophic rewilding provides a nature-based solution for biological conservation; however, empirical studies demonstrating rewilding effects are limited. Megaherbivores moderate the type and quality of habitat available to other fauna. However, these effects may take time to develop. Further, fauna responses to megaherbivore rewilding will depend on a suite of life-history traits and strategies that allow persistence within megaherbivore modified landscapes. We conducted a space-for-time field survey in South African savanna to determine if habitat modifications mediated by a reintroduced megaherbivore, the African savanna elephant (Loxodonta africana), impacts the abundance of the diurnal arboreal cape dwarf gecko (Lygodactylus capensis) and two generalist diurnal skinks [the variable skink (Trachylepis varia) and striped skink (Trachylepis striata), collectively] across a 47-year period. The relative abundance of lizards and six habitat attributes utilized by lizards were assessed at 30 sites stratified across three biophysically and climatically similar nature reserves with different elephant reintroduction times (no elephants, 2003, 1972). The arboreal gecko was less common at the reserve with an older reintroduction time than the other reserves and was most commonly observed on, and positively correlated with, the density of the corkwood tree (Commiphora mollis). The generalist skinks were common across all reserves and were observed in a variety of habitats. Our results suggest that elephant rewilding differently impacts lizard species with different life-history strategies and that these effects take prolonged periods to develop. Given such knowledge, a long-term understanding of post-rewilding interactions will be a key point when designing and assessing the success of rewilding initiatives.",
keywords = "Association of private nature reserves, Loxodonta africana, Lygodactylus capensis, Restoration ecology, South Africa, Trachylepis spp, Trophic rewilding",
author = "Gordon, {Christopher E.} and Lerm, {Rion E.} and Paul Allin and Michelle Greve and Svenning, {Jens Christian}",
note = "Funding Information: The research was funded as part of a Carlsberg Foundation Semper Ardens grant (MegaPast2Future) awarded to Jens-Christian Svenning (Grant CF16-0005). JCS also considers this work a contribution to his VILLUM Investigator project “Biodiversity Dynamics in a Changing World” funded by VILLUM FONDEN (Grant 16549). Michelle Greve is supported by the South African National Research Foundation (Grant 116333). Publisher Copyright: {\textcopyright} 2021, The Author(s), under exclusive licence to Springer Nature B.V. part of Springer Nature. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.",
year = "2021",
month = apr,
doi = "10.1007/s10531-021-02141-7",
language = "English",
volume = "30",
pages = "1277--1291",
journal = "Biodiversity and Conservation",
issn = "0960-3115",
publisher = "Springer",
number = "5",

}

RIS

TY - JOUR

T1 - Elephant rewilding indirectly affects the abundance of an arboreal but not generalist savanna lizard

AU - Gordon, Christopher E.

AU - Lerm, Rion E.

AU - Allin, Paul

AU - Greve, Michelle

AU - Svenning, Jens Christian

N1 - Funding Information: The research was funded as part of a Carlsberg Foundation Semper Ardens grant (MegaPast2Future) awarded to Jens-Christian Svenning (Grant CF16-0005). JCS also considers this work a contribution to his VILLUM Investigator project “Biodiversity Dynamics in a Changing World” funded by VILLUM FONDEN (Grant 16549). Michelle Greve is supported by the South African National Research Foundation (Grant 116333). Publisher Copyright: © 2021, The Author(s), under exclusive licence to Springer Nature B.V. part of Springer Nature. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.

PY - 2021/4

Y1 - 2021/4

N2 - Trophic rewilding provides a nature-based solution for biological conservation; however, empirical studies demonstrating rewilding effects are limited. Megaherbivores moderate the type and quality of habitat available to other fauna. However, these effects may take time to develop. Further, fauna responses to megaherbivore rewilding will depend on a suite of life-history traits and strategies that allow persistence within megaherbivore modified landscapes. We conducted a space-for-time field survey in South African savanna to determine if habitat modifications mediated by a reintroduced megaherbivore, the African savanna elephant (Loxodonta africana), impacts the abundance of the diurnal arboreal cape dwarf gecko (Lygodactylus capensis) and two generalist diurnal skinks [the variable skink (Trachylepis varia) and striped skink (Trachylepis striata), collectively] across a 47-year period. The relative abundance of lizards and six habitat attributes utilized by lizards were assessed at 30 sites stratified across three biophysically and climatically similar nature reserves with different elephant reintroduction times (no elephants, 2003, 1972). The arboreal gecko was less common at the reserve with an older reintroduction time than the other reserves and was most commonly observed on, and positively correlated with, the density of the corkwood tree (Commiphora mollis). The generalist skinks were common across all reserves and were observed in a variety of habitats. Our results suggest that elephant rewilding differently impacts lizard species with different life-history strategies and that these effects take prolonged periods to develop. Given such knowledge, a long-term understanding of post-rewilding interactions will be a key point when designing and assessing the success of rewilding initiatives.

AB - Trophic rewilding provides a nature-based solution for biological conservation; however, empirical studies demonstrating rewilding effects are limited. Megaherbivores moderate the type and quality of habitat available to other fauna. However, these effects may take time to develop. Further, fauna responses to megaherbivore rewilding will depend on a suite of life-history traits and strategies that allow persistence within megaherbivore modified landscapes. We conducted a space-for-time field survey in South African savanna to determine if habitat modifications mediated by a reintroduced megaherbivore, the African savanna elephant (Loxodonta africana), impacts the abundance of the diurnal arboreal cape dwarf gecko (Lygodactylus capensis) and two generalist diurnal skinks [the variable skink (Trachylepis varia) and striped skink (Trachylepis striata), collectively] across a 47-year period. The relative abundance of lizards and six habitat attributes utilized by lizards were assessed at 30 sites stratified across three biophysically and climatically similar nature reserves with different elephant reintroduction times (no elephants, 2003, 1972). The arboreal gecko was less common at the reserve with an older reintroduction time than the other reserves and was most commonly observed on, and positively correlated with, the density of the corkwood tree (Commiphora mollis). The generalist skinks were common across all reserves and were observed in a variety of habitats. Our results suggest that elephant rewilding differently impacts lizard species with different life-history strategies and that these effects take prolonged periods to develop. Given such knowledge, a long-term understanding of post-rewilding interactions will be a key point when designing and assessing the success of rewilding initiatives.

KW - Association of private nature reserves

KW - Loxodonta africana

KW - Lygodactylus capensis

KW - Restoration ecology

KW - South Africa

KW - Trachylepis spp

KW - Trophic rewilding

UR - http://www.scopus.com/inward/record.url?scp=85101809567&partnerID=8YFLogxK

U2 - 10.1007/s10531-021-02141-7

DO - 10.1007/s10531-021-02141-7

M3 - Journal article

AN - SCOPUS:85101809567

VL - 30

SP - 1277

EP - 1291

JO - Biodiversity and Conservation

JF - Biodiversity and Conservation

SN - 0960-3115

IS - 5

ER -