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Bottomlands of large rivers within the Mississippi River Basin. Derived by combining the Mississippi alluvial plain with natural floodplains created by the Scientific Assessment and Strategy Team for the Upper Mississippi, and statewide floodplain coverages where available. While the Mississippi alluvial plain is not entirely bottomland (e.g. Crowley's Ridge), excluding these non-bottomland areas from analysis would exclude opportunities to expand existing forest patches and enhance connectivity. NOTE: Floodplain coverage in Arkansas, Louisiana, Mississippi, and Missouri is incomplete due to incomplete data availability as of October 2016.
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Forest restoration opportunities in large river bottomlands, Mississippi River Basin. NOTE: Floodplain coverage in Arkansas, Louisiana, Mississippi, and Missouri is incomplete due to only partial data availability as of October 2016.
The geomorphic effectiveness of extreme floods increases with aridity and decreasing watershed size. Therefore, in small dry watersheds extreme floods should control the age structure and spatial distribution of populations of disturbance-dependent riparian trees. We examined the influence of extreme floods on the bottomland morphology and forest of ephemeral streams in a semiarid region. Along six stream reaches on the Colorado Piedmont we examined channel changes by analyzing a rectified sequence of aerial photographs spanning 56 yr, and we investigated the spatial distribution of different-aged patches of forest by aging 189 randomly sampled cottonwood trees. Channel change in these ephemeral sand-bed streams...


    map background search result map search result map Upper Mississippi River Forest Partnership - Forest Conservation and Restoration Priorities Floodplains - Large Bottomland Ecological System Large River Bottomland Forest Restoration Opportunities Upper Mississippi River Forest Partnership - Forest Conservation and Restoration Priorities Floodplains - Large Bottomland Ecological System Large River Bottomland Forest Restoration Opportunities