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Abstract
The Mississippi Alluvial Valley (MAV) is a 9 million ha (22-million-acre) floodplain that supports a diverse and ecologically rich bottomland hardwood forest ecosystem – one of the most productive in North America. It extends from roughly Cape Girardeau, Missouri, to the Gulf of Mexico and features a mosaic of ridges, swales, meander belts, and backswamps. Small changes in elevation (<1 foot) in the MAV are associated with large shifts in hydrology, which in turn, strongly affect plant and animal community composition and structure. The resultant diversity contributes to a fertile and productive floodplain. General forest types in the MAV include: Oak-gum-cypress (41%), elm-ash-cottonwood (29%), oakhickory (17%), and the remainder is other forest types (Oswalt 2013). Within the oak-gum-cypress and elm-ash-cottonwood categories, sugarberry-hackberry-elm-green ash and sweetgum-Nuttall oak-willow oak forest types account for close to one-half of MAV bottomland forest acreage, while baldcypress-tupelo forests are about 16 percent (Oswalt 2013). Although we emphasize bottomland hardwood habitat and associated bird species, this planning effort includes analyses based upon all forest types within the MAV. Hence, the term ‘forest’ refers to all forest types in the MAV.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | Other Report |
| Title | Mississippi Alluvial Valley Forest-breeding landbird population & quantitative habitat objectives |
| Year Published | 2020 |
| Language | English |
| Publisher | Lower Mississippi Valley Joint Venture |
| Contributing office(s) | Eastern Ecological Science Center |
| Description | 14 p. |
| Country | United States |
| State | Arkansas, Kentucky, Louisiana, Mississippi, Missouri, Tennessee |
| Other Geospatial | lower Mississippi Alluvial Valley |
| Google Analytic Metrics | Metrics page |