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Title:Crown vetch (Coronilla varia) control strategy for Lost Mound sand prairie
Author(s):Wenny, Daniel G.; Nyboer, R.
Subject(s):invasive species
INHS Division of Ecology and Conservation Science
INHS Section for Field Stations and Ecosystem Science
Science in support of ecosystem management and conservation
Science in support of invasive species prevention, management and control
Abstract:Crown vetch (Coronilla varia) is an aggressive non-native legume species that forms dense monospecific mats and crowds out native grasses, forbs, and even shrubs. It is the most serious invasive species threat in the sand prairies at the former Savanna Army Depot (hereafter Lost Mound) and has high potential to fundamentally alter the sand prairie plant communities. Crown vetch may cause declines of some of the 13 state-listed plants species, reductions of other native plants, and diminished habitat quality for grassland birds. In addition, crown vetch is a nitrogen-fixing plant and alters soil properties by increasing nitrogen availability and facilitating the growth of nitrogen-limited plant species including many other non-native species. Because crown vetch is widespread at Lost Mound and herbicides are expensive, we undertook this project to examine the effectiveness of three different chemicals for killing crown vetch in order to develop a more efficient control strategy.
Issue Date:2008-11-07
Publisher:Division of Ecology and Conservation Science Section for Field Stations and Ecosystem Science
Series/Report:Technical Report INHS 2008 (40)
Genre:Technical Report
Sponsor:INHS Technical Report Prepared for USFWS
Rights Information:This document is a product of the Illinois Natural History Survey, and has been selected and made available by the Illinois Natural History Survey and the University Library, University of Illinois at Urbana-Champaign. It is intended solely for noncommercial research and educational use, and proper attribution is requested.
Date Available in IDEALS:2011-01-07

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