Removal of the Invasive Species Arundo donax Using Non-Invasive Techniques
Poster Number
10
Format
Poster Presentation
Abstract/Artist Statement
Our project focused on finding the least invasive and most effective technique for the removal of the invasive Giant Reed (Arundo donax). The giant reed is a bamboo-like grass that can rapidly grow to heights of 20 feet or more. It is native to southeastern China and was introduced to California in the 1820’s for erosion control of canals in the Los Angeles Area. The impressive rate at which it grows, up to a foot in one day, means it can out-compete most native species. The stems and rhizomes secrete toxic alkaloids that further inhibit the growth of native plants. These alkaloids also deter insects and grazing animals from feeding on the plant, leaving it open for uncontrolled growth. Our techniques involved setting up three experimental plots; the first was only cut, the second was cut and treated with a mild herbicide, and the third was a composting technique where the Arundo was cut and that stalks laid upon the rhizomes and covered with a tarp. Because if the quick re-growth time we had to monitor the plots three times a week and cut the different plots numerous times before we were able to see any results. Our results showed that the composting technique was by far the most effective in the removal of Arundo. Our poster will highlight the three techniques used in the removal of Arundo donax and describes which technique was most effective.
Location
Pacific Geosciences Center
Start Date
5-5-2007 1:00 PM
End Date
5-5-2007 3:00 PM
Removal of the Invasive Species Arundo donax Using Non-Invasive Techniques
Pacific Geosciences Center
Our project focused on finding the least invasive and most effective technique for the removal of the invasive Giant Reed (Arundo donax). The giant reed is a bamboo-like grass that can rapidly grow to heights of 20 feet or more. It is native to southeastern China and was introduced to California in the 1820’s for erosion control of canals in the Los Angeles Area. The impressive rate at which it grows, up to a foot in one day, means it can out-compete most native species. The stems and rhizomes secrete toxic alkaloids that further inhibit the growth of native plants. These alkaloids also deter insects and grazing animals from feeding on the plant, leaving it open for uncontrolled growth. Our techniques involved setting up three experimental plots; the first was only cut, the second was cut and treated with a mild herbicide, and the third was a composting technique where the Arundo was cut and that stalks laid upon the rhizomes and covered with a tarp. Because if the quick re-growth time we had to monitor the plots three times a week and cut the different plots numerous times before we were able to see any results. Our results showed that the composting technique was by far the most effective in the removal of Arundo. Our poster will highlight the three techniques used in the removal of Arundo donax and describes which technique was most effective.