Bird Abundance and Nesting Success in Iowa CRP Fields: The Importance of Vegetation Structure and Composition

Patterson, Matthew P.; Best, Louis B.

doi:10.2307/2426881

Cited by 158 publications

(149 citation statements)

References 21 publications

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“…The bird species and densities found in restored grasslands of the Iowa River Corridor are similar to those found in other studies of grassland birds in Iowa and throughout the Midwest (e.g., Cink and Lowther, 1989;Johnson and Schwartz, 1993;Patterson and Best, 1996;Fletcher and Koford, 2002;Murray and Best, 2003). However, some grassland obligate species commonly observed in this region, such as bobolinks and meadowlarks, were rare in this study for unknown reasons (Appendix).…”

Section: Discussionsupporting

confidence: 87%

Short-term Effects of Burning and Disking on Songbird Use of Floodplain Conservation Easements

Benson

Dinsmore

Hohman

2011

The American Midland Naturalist

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Extensive conversion of Midwestern riparian areas for agricultural production has had many consequences including reduced habitat for nesting birds. However, more than 120,000 ha of riparian habitat have been restored in this region through USDA conservation programs. In 2001 and 2002, we assessed songbird responses to burning and disking for management of conservation easements in east-central Iowa. We randomly assigned herbaceous riparian fields to burning and disking treatments and collected data on density and species richness of songbirds in these habitats. Total density of grassland and wetland species and redwinged blackbirds (Agelaius phoeniceus) were reduced by burning in the first and second breeding seasons after burning; common yellowthroat (Geothlypis trichas) density decreased with burning only in the first season. Disking led to increased density of grassland and wetland birds and greater overall avian conservation value on treated relative to untreated fields in the year after treatment. Changes associated with burning and disking treatments were likely related to changes in both vegetation structure and abundance of arthropod food resources. Despite decreased bird densities with burning, fire is a necessary management tool to control woody vegetation. Overall, both burning and disking appear to be effective management practices for maintaining herbaceous riparian habitats for grassland birds. RightsWorks produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted.This article is available at Iowa State University Digital Repository: http://lib.dr.iastate.edu/nrem_pubs/133BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors, nonprofit publishers, academic institutions, research libraries, and research funders in the common goal of maximizing access to critical research. Short-term Effects of Burning and Disking on Songbird Use of Floodplain Conservation EasementsAuthor (s) ABSTRACT.-Extensive conversion of Midwestern riparian areas for agricultural production has had many consequences including reduced habitat for nesting birds. However, more than 120,000 ha of riparian habitat have been restored in this region through USDA conservation programs. In 2001 and 2002, we assessed songbird responses to burning and disking for management of conservation easements in east-central Iowa. We randomly assigned herbaceous riparian fields to burning and disking treatments and collected data on density and species richness of songbirds in these habitats. Total density of grassland and wetland species and red-winged blackbirds (Agelaius phoeniceus) were reduced by burning in the first and second breeding seasons after burning; common yellowthroat (Geothlypis trichas) density decreased with burning only in the first season. Disking led to increased density of grassland and wetland birds and greater overall avian conservation value on treated relative ...

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Section: Discussionsupporting

confidence: 87%

Short-term Effects of Burning and Disking on Songbird Use of Floodplain Conservation Easements

Benson

Dinsmore

Hohman

2011

The American Midland Naturalist

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“…Cela suggère qu'il est en mesure d'utiliser les ressources disponibles dans les bandes de bleuets et qu'il n'est pas trop affecté par la fragmentation de l'habitat ou la perte d'habitat. Cette espèce, comme le bruant à gorge blanche, a tendance à traverser plus facilement les trouées sans arbres que les espèces forestières (Rail et al 1997 (Wiens 1973), la toundra (Weatherhead 1979), les pâturages (Bolllnger 1995) et les champs en culture (Patterson et Best 1996). Par ailleurs, les différences entre la pinède et la (Darveau et al 1995).…”

Section: Analyse De Diversitéunclassified

Réaction des micromammifères et des oiseaux à l'aménagement forêt/bleuet dans des pinèdes grises de l'ouest du lac Saint-Jean /

Lavoie¹

2009

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“…Grasshopper sparrows have also been found breeding in Conservation Reserve Program (CRP) fields, pasture, hayland, airports, and reclaimed surface mines (Wiens 1970(Wiens , 1973Harrison 1974;Ducey and Miller 1980;Whitmore 1980;Kantrud 1981;Renken 1983;Laubach 1984;Renken and Dinsmore 1987;Bollinger 1988;Frawley and Best 1991;Johnson and Schwartz 1993;Klute 1994;Berthelsen and Smith 1995;Hull et al 1996;Patterson and Best 1996;Delisle and Savidge 1997;Prescott 1997;Koford 1999;Jensen 1999;Horn and Koford 2000). In Alberta, Manitoba, and Saskatchewan, grasshopper sparrows are more common in grasslands enrolled in the Permanent Cover Program (PCP) than in cropland (McMaster and Davis 1998).…”

Section: Habitat Requirementsmentioning

confidence: 99%

Appendix 1: Assessment tools

Raghavan¹,

Patel²

2005

Learning Disabilities and Mental Health

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Bird Abundance and Nesting Success in Iowa CRP Fields: The Importance of Vegetation Structure and Composition

Cited by 158 publications

References 21 publications

Short-term Effects of Burning and Disking on Songbird Use of Floodplain Conservation Easements

Short-term Effects of Burning and Disking on Songbird Use of Floodplain Conservation Easements

Réaction des micromammifères et des oiseaux à l'aménagement forêt/bleuet dans des pinèdes grises de l'ouest du lac Saint-Jean /

Appendix 1: Assessment tools

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