Partners in Flight

Bird Conservation Plan

for the

Mississippi Alluvial Valley

 (Physiographic Area # 05)

Physiographic area outline.

Version 1.0

September 1999



Written by: Daniel Twedt, David Pashley, Chuck Hunter, Allen Mueller, Cindy Brown, and Bob Ford

Address comments to:

Bob Ford, c/o U.S. Fish and Wildlife Service, University of Memphis, South Campus, Bldg 8, Memphis, TN 38152

901-327-1752; fax 901-327-8001; bford@tnc.org

Text Box: MISSISSIPPI ALLUVIAL VALLEY BIRD CONSERVATION PLAN
EXECUTIVE SUMMARY

Because this physiographic area was historically a nearly contiguous bottomland hardwood forest, and because the majority of bird species of highest concern are dependent on forested wetlands, bottomland hardwood forest is the habitat of greatest concern in the MAV. We established avian population goals based on bottomland hardwood forest habitat objectives. To support source populations of high priority species such as, Swainson's Warbler, Prothonotary Warbler, Cerulean Warbler, and Swallow-tailed Kite, we established a habitat objective to maintain or restore >1,500,000 ha of predominately mature, forested wetlands in 101 patches of contiguous forest. This goal comprises 13 patches of >40,000 ha (100,000 acres), 36 patches >8,000 ha (20,000 acres), and 52 patches >4,000 ha (10,000 acres) distributed among 87 Bird Conservation Areas. Achieving forested habitat objectives within these Bird Conservation Areas will require extensive reforestation of cleared land. Forest management within these areas should promote the structural diversity necessary to support source populations of breeding birds. Avian species preferring early-successional and shrub/scrub habitats, such as Orchard Oriole, White-eyed Vireo, Painted Bunting, and Mississippi Kite will be provided for by maintaining 1 million ha of scrub/shrub or forest edge habitat. This habitat will be provided in existing forest edges and through forest regeneration following timber harvest. Important grassland species (e.g., LeConte's Sparrow, Henslow's Sparrow, Field Sparrow, Grasshopper Sparrow, Loggerhead Shrike, Dickcissel, Short-eared Owl, and Sedge Wren), especially species using the MAV during winter, will be provided for by establishing and maintaining 10 grassland-cropland complexes. Each grassland-cropland complex will provide 4,000 to 8,000 ha of native, warm-season grasses, along with other native flora, associated wetlands, and savannas. Management will ensure disturbance (e.g., fire, grazing) regimes sufficient to maintain prairie conditions. To provide habitat for nonforested wetlands dependent birds, such as shorebirds, long-legged wading birds, bitterns, and rails, mudflat and shallow, open-water habitat must be provided. Because this habitat is least available during late summer and fall, and because migrating shorebirds concurrently require foraging habitat, we have tentatively set a goal of providing >2000 ha of managed shallow-water foraging habitat to support the southward migration of shorebirds through the Mississippi Alluvial Valley.
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


ACKNOWLEDGMENTS

Partners in Flight Bird Conservation Plans are living documents that are periodically updated and improved as knowledge of bird management and conservation in the physiographic area is improved. Thus the first public draft of this Bird Conservation Plan is Version 1.0. This Plan will remain a work in progress, we encourage those who wish to contribute to do so.

The following individuals participated in drafting or revision of this conservation plan: S. Ray Aycock, Charles K. Baxter, Cindy Brown, Robert J. Cooper, Lisa Creasman, Tom Foti, Robert P. Ford, Paul B. Hamel, Bob Hatcher, Doug Helmers, W. C. (Chuck) Hunter, Brad Jacobs, Sunni Lawless, Charles R. Loesch, Curt McMurl, Seth E. Moth, Allen J. Mueller, Gary Myers, David N. Pashley, Lance Peacock, Terry Rich, Karen Rowe, Janet Ruth, Jon Schneider, Mike Staten, Mark Swan, Daniel J. Twedt, William B. Uihlein, Bill Vermillion, Mark S. Woodrey, and Scott C. Yaich.


§         TABLE OF CONTENTS

o        Background

o        Conservation issues

o        Conservation opportunities

o        Forested wetlands, bottomland hardwood forests

o        Forest Openings, Edges, Early-Successional Shrub-Scrub

o        Upland Oak-Hickory Hardwoods

o        Grasslands/Savannas, Pastures, and Associated Wetlands.

o        Lacustrine (open-water) Wetlands, Palustrine (emergent) Wetlands, and Mudflats.