The economic impacts of blackbird (Icteridae) damage to sunflower in the USA. Issue 11 (26th June 2019)

• Record Type: Journal Article
• Authors: Ernst, Karina; Elser, Julie; Linz, George; Kandel, Hans; Holderieath, Jason; DeGroot, Samantha; Shwiff, Steven; Shwiff, Stephanie
• Is Part Of: Pest management science. Volume 75:Issue 11(2019)
• Page Start: 2910
• Page End: 2915
• Publication Date: 2019-06-26
• Subjects: blackbirds -- crop damage -- Icteridae -- economic impact -- prairie pothole region -- sunflower; Pests -- Control -- Periodicals; Pesticides -- Periodicals; 632.9
• DOI: 10.1002/ps.5486
• Languages: English
• ISSNs: 1526-498X

Abstract

Abstract: BACKGROUND: Blackbird ( Icteridae ) damage to ripening sunflower ( Helianthus annuus L.) has been a persistent economic issue in the USA for the last five decades. To quantify losses, we surveyed blackbird damage from 2001 to 2013 (excluding 2004) to physiologically mature sunflower in eight states: North Dakota, South Dakota, Texas, Nebraska, Minnesota, Colorado, Kansas, and Vermont. RESULTS: We pooled data gathered during the most recent 5 years (2009 to 2013) of the survey and found losses averaged $US2.5 million and $US11.3 million for confectionery and oilseed hybrids, respectively. Three states, North Dakota, South Dakota, and Nebraska, had sufficient acreage and bird damage to warrant economic analyses using a regional economic model. The average annual total (direct plus indirect) economic impact of bird damage to sunflower production for North Dakota, South Dakota, and Nebraska was $US18.7 million, $US7.3 million, and $US2.6 million, respectively. CONCLUSION: This study provides a better understanding of the broader economic implications of bird damage to sunflower by estimating the macroeconomic impacts of lost sunflower production in the region. Additionally, the findings of this study may be used to inform decisions regarding bird management policy by providing policymakers with information to determine the downstream value of bird management and the possible benefits of improved methods that further mitigate losses. © 2019 Society of Chemical Industry Abstract : Blackbird ( Icteridae ) damage to ripening sunflower ( Helianthus annuus L.) has been a persistent economic issue in the USA for the last five decades. Photo by Kevin Keirn.