A Gradient Analysis of Understory Vegetation in a Sugarberry-Elm Floodplain Forest on the Brazos River

Texas Journal of Agriculture and Natural Resources

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Field Value
 
Title A Gradient Analysis of Understory Vegetation in a Sugarberry-Elm Floodplain Forest on the Brazos River
 
Creator Grissom, Perry J.
Wester, David B.
 
Subject floodplain; understory; vegetation pattern; flooding; Brazos River
 
Description Relationships between understory vegetation pattern, topography, flooding, and soil properties were studied in a bottomland hardwood forest on the lower Brazos River floodplain. Elevation varied 30 to 70 cm along 220-m transects in three study sites. We infer that a microtopographically-induced soil aeration gradient influenced understory vegetation pattern. Swales were flooded from autumn through spring and supported species-poor vegetation dominated by Panicum gymnocarpon. Unflooded areas supported more diverse vegetation varying in composition along an elevation gradient: Carex cherokeensis characterized lower elevations, with dominance graduatlly shifting to Oplismenus hirtellus on slightly elevated ridges. Vegetation pattern was strongly related to relative elevation and soil water content as well as to abundance of clayey horizons in the soil profile, and soil copper, iron, phosphorus, potassium, and salinity.
 
Publisher Agricultural Consortium of Texas
 
Contributor
 
Date 2016-05-19
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://txjanr.agintexas.org/index.php/txjanr/article/view/208
 
Source Texas Journal of Agriculture and Natural Resources; Vol 11 (1998); 47-62
0891-5466
 
Language eng
 
Relation http://txjanr.agintexas.org/index.php/txjanr/article/view/208/193
 
Rights Copyright (c) 2016 Texas Journal of Agriculture and Natural Resources
 

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