Assessing the economic benefits of starling detection and control to Western Australia

Campbell, S., Roberts, E.J., Craemer, R., Pacioni, C., Rollins, L. and Woolnough, A.P. 2016, Assessing the economic benefits of starling detection and control to Western Australia, Australasian journal of environmental management, vol. 23, no. 1, pp. 81-99, doi: 10.1080/14486563.2015.1028486.

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Title Assessing the economic benefits of starling detection and control to Western Australia
Author(s) Campbell, S.
Roberts, E.J.
Craemer, R.
Pacioni, C.
Rollins, L.ORCID iD for Rollins, L.
Woolnough, A.P.
Journal name Australasian journal of environmental management
Volume number 23
Issue number 1
Start page 81
End page 99
Total pages 20
Publisher Taylor & Francis
Place of publication London, Eng.
Publication date 2016
ISSN 1448-6563
Keyword(s) Sturnus vulgaris
invasive species
bioeconomic modelling
Summary The common starling (Sturnus vulgaris) has a proven invasion history in many countries, and at a continental scale in North America and Australasia. In Australia, starlings are firmly established throughout the eastern states and Tasmania. Incursions of starlings into Western Australia (WA) represent a significant threat to this State’s agricultural, public amenity and biodiversity assets. We present models of starling population dynamics that incorporate environmental and control effort variability. We incorporate knowledge of starling ecology with economic data to assess the potential economic cost of starlings establishing in WA, evaluating the cost–benefits for each management scenario. We calculated starling population size will approach carrying capacity in WA within as little as 30 years if left unchecked. A population of this size could cost the WA economy up to $43.7 million annually in 2011/2012 dollars. Over a 50 year horizon, the conservative benefit–cost ratio for ongoing detection and control at the current level of expenditure is 6.03:1. However, even under current levels of control, starling numbers are projected to increase to almost 11 million by 2061. Further improvements in the efficiency of starling detection and control and/or an increased level of expenditure on detection and control are required.
Language eng
DOI 10.1080/14486563.2015.1028486
Field of Research 050205 Environmental Management
Socio Economic Objective 960405 Control of Pests
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Environment Institute of Australia and New Zealand Inc. The work of Susan Campbell was authored as part of her official duties as an employee of the Department of Agriculture and Food WA and is therefore Crown Copyright 2015.
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