Control of Invasive Species (2006) / Chapter Skim
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From page 5... ...
. After introduction in a new environment, invasive species may establish easily and quickly, compete aggressively, and grow rapidly, presenting a threat to native species and habitats.
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inventories of vegetation that map existing invasive plant infestations; • Inspection and cleaning of construction equipment; • Commitments to ensure the use of invasive-free mulches, topsoils, and seed mixes; and • Eradication strategies to be deployed should an invasion occur. A number of DOTs have started completing invasive species surveys for all projects (state and federal)
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From page 7... ...
These activities "may be carried out concurrently with, in advance of, or following the construction of a project funded under this title." Thus, invasive species control and native revegetation projects may be conducted essentially independently of a transportation improvement project, but should be associated with a current, past, or future project, in some way, not to exceed 20% of the total cost of that project. Because SAFETEA-LU was just recently passed, FHWA has yet to issue guidance to states on the implementation of these provisions.
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From page 8... ...
DOTs partner with other major landowners and weed control organizations to more effectively limit the introduction and spread of invasive weed species. Some states, such as Washington, have a strong locally based organization and legal process for managing invasive plant species; the existence of noxious weed control boards in all 39 of Washington's counties creates a framework for coordination of weed management across property lines and political boundaries.
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Other program changes cited included conducting invasive species surveys for all projects with ground-disturbing activities and coordination with agencies that manage adjacent lands. Special mitigation measures to prevent the spread
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One DOT indicated that it is attempting to include invasive species as a bid item for federal-aid projects. DOTs are eliminating the use of invasive plants and removing some existing plants as part of landscaping projects.
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urrently, staffing, and funding for invasive species management must compete against other priorities for the same staff time and funds -- dedicated line items and a separate funding source would be a great benefit." The frequency at which respondents cited various categories of obstacles is illustrated in Figure 2. Fifty-three percent of responding DOTs cited a lack of state funds as an obstacle in invasive species control, 50% cited a lack of control over lands adjacent to the ROW, and 38% reported that limited federal highway funds were a primary obstacle.
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