Evaluating the evidence of culling a native species for conservation benefits

Abstract Controlling problem species for conservation can be fraught, particularly when native species are subject to lethal control. The noisy miner (Manorina melanocephala), has been the target of numerous lethal control efforts. Outcomes of these noisy miner removals have varied substantially, so...

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Autores principales:	Courtney B. Melton, April E. Reside, Jeremy S. Simmonds, Paul G. Mcdonald, Richard E. Major, Ross Crates, Carla P. Catterall, Michael F. Clarke, Merilyn J. Grey, Galen Davitt, Dean Ingwersen, Doug Robinson, Martine Maron
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	key threatening process Manorina melanocephala noisy miner overabundant native species population control woodland Ecology QH540-549.5 General. Including nature conservation, geographical distribution QH1-199.5
Acceso en línea:	https://doaj.org/article/102cad25745c46ffa34668c2efec2928
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spelling	oai:doaj.org-article:102cad25745c46ffa34668c2efec29282021-12-01T10:20:57ZEvaluating the evidence of culling a native species for conservation benefits2578-485410.1111/csp2.549https://doaj.org/article/102cad25745c46ffa34668c2efec29282021-12-01T00:00:00Zhttps://doi.org/10.1111/csp2.549https://doaj.org/toc/2578-4854Abstract Controlling problem species for conservation can be fraught, particularly when native species are subject to lethal control. The noisy miner (Manorina melanocephala), has been the target of numerous lethal control efforts. Outcomes of these noisy miner removals have varied substantially, so identifying the circumstances under which they are effective is essential for ethical and effective management. We compiled data for all identified noisy miner removals (n = 45), including both permit‐based and unofficial removals. We investigated whether methodological and ecological factors explained the effectiveness of removals in reducing noisy miner density or increasing woodland bird richness and abundance. The only predictor of any measure of success was time between first and final culls which was positively related to reduction in noisy miner density. Surprisingly, despite removals mainly failing to reduce noisy miner density to below a threshold above which noisy miners impact smaller birds, woodland birds usually still increased. Disrupted social structure as noisy miners recolonized may have led to less effective aggressive exclusion of small birds. Further removals may not need to reduce noisy miner density to below this threshold to benefit woodland birds, but consistent monitoring and reporting would support better evaluation of effectiveness and correlates of success.Courtney B. MeltonApril E. ResideJeremy S. SimmondsPaul G. McdonaldRichard E. MajorRoss CratesCarla P. CatterallMichael F. ClarkeMerilyn J. GreyGalen DavittDean IngwersenDoug RobinsonMartine MaronWileyarticlekey threatening processManorina melanocephalanoisy mineroverabundant native speciespopulation controlwoodlandEcologyQH540-549.5General. Including nature conservation, geographical distributionQH1-199.5ENConservation Science and Practice, Vol 3, Iss 12, Pp n/a-n/a (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	key threatening process Manorina melanocephala noisy miner overabundant native species population control woodland Ecology QH540-549.5 General. Including nature conservation, geographical distribution QH1-199.5
spellingShingle	key threatening process Manorina melanocephala noisy miner overabundant native species population control woodland Ecology QH540-549.5 General. Including nature conservation, geographical distribution QH1-199.5 Courtney B. Melton April E. Reside Jeremy S. Simmonds Paul G. Mcdonald Richard E. Major Ross Crates Carla P. Catterall Michael F. Clarke Merilyn J. Grey Galen Davitt Dean Ingwersen Doug Robinson Martine Maron Evaluating the evidence of culling a native species for conservation benefits
description	Abstract Controlling problem species for conservation can be fraught, particularly when native species are subject to lethal control. The noisy miner (Manorina melanocephala), has been the target of numerous lethal control efforts. Outcomes of these noisy miner removals have varied substantially, so identifying the circumstances under which they are effective is essential for ethical and effective management. We compiled data for all identified noisy miner removals (n = 45), including both permit‐based and unofficial removals. We investigated whether methodological and ecological factors explained the effectiveness of removals in reducing noisy miner density or increasing woodland bird richness and abundance. The only predictor of any measure of success was time between first and final culls which was positively related to reduction in noisy miner density. Surprisingly, despite removals mainly failing to reduce noisy miner density to below a threshold above which noisy miners impact smaller birds, woodland birds usually still increased. Disrupted social structure as noisy miners recolonized may have led to less effective aggressive exclusion of small birds. Further removals may not need to reduce noisy miner density to below this threshold to benefit woodland birds, but consistent monitoring and reporting would support better evaluation of effectiveness and correlates of success.
format	article
author	Courtney B. Melton April E. Reside Jeremy S. Simmonds Paul G. Mcdonald Richard E. Major Ross Crates Carla P. Catterall Michael F. Clarke Merilyn J. Grey Galen Davitt Dean Ingwersen Doug Robinson Martine Maron
author_facet	Courtney B. Melton April E. Reside Jeremy S. Simmonds Paul G. Mcdonald Richard E. Major Ross Crates Carla P. Catterall Michael F. Clarke Merilyn J. Grey Galen Davitt Dean Ingwersen Doug Robinson Martine Maron
author_sort	Courtney B. Melton
title	Evaluating the evidence of culling a native species for conservation benefits
title_short	Evaluating the evidence of culling a native species for conservation benefits
title_full	Evaluating the evidence of culling a native species for conservation benefits
title_fullStr	Evaluating the evidence of culling a native species for conservation benefits
title_full_unstemmed	Evaluating the evidence of culling a native species for conservation benefits
title_sort	evaluating the evidence of culling a native species for conservation benefits
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/102cad25745c46ffa34668c2efec2928
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Evaluating the evidence of culling a native species for conservation benefits

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