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Northern Utah Bonneville Shoreline Trail Fire-Resistant Vegetation Plan
Guidelines for trail construction that discourages weeds while reducing fire hazard by planting appropriate native vegetation.
Prepared by the Cache Chapter of the Utah Native Plant Society (February, 2002)
Construction standards in the Bonneville Shoreline Trail (BST) Master Plan specify an optional firebreak of "fire resistant native vegetation." This section provides guidelines to help accomplish this goal. Utah Native Plant Society (UNPS) and USU Extension personnel are available for advice, training, and
In recent years, wildfires in Logan’s foothills have threatened to spread into city and private property. Plants growing on the dry foothills will never be “fireproof,” but this fire hazard is reduced where “fire resistant” native vegetation grows.
Healthy stands of native perennial bunchgrasses, flowers, and shrubs tend to exclude annual grass weeds, the main fuel source for foothill fires.
A firebreak along the proposed path of the BST could reduce this wildfire risk. The trail ’s firebreak properties are improved by encouraging the growth of desirable native plants, along with activity to control weeds. Trail construction, however, has the potential to aggravate this fire hazard. Soil disturbed by
Trail construction activity should be conducted in a manner that discourages weeds:
Similarly, revegetation activities in firebreaks or trail areas should follow these basic guidelines:
Recommended Plant Species
An inventory of existing native vegetation will be used to identify locally native perennial bunchgrasses, flowers and shrubs with “fire resistant” qualities. This list will be developed by UNPS volunteers and maintained on the website of the Intermountain Herbarium at USU, http://herbarium.usu.edu.
The BST plant list has not yet been fully developed. However, the following list is provided as an initial example of recommended plant species for revegetation:
Agropyron dasystachyum (Thickspike Wheatgrass)
This list is based on UNPS work with the BST near Provo. These plants should also be appropriate for northern BST locations. Please refer to the list at http://herbarium.usu.edu for final recommendations. Factors of soil type and aspect (sun exposure) also should be considered when choosing plant species
The most critical time to control weeds, annual or other, is during the first three years after revegetation. Native perennials expend much effort at this time to develop extensive root systems and cannot establish themselves if weeds are allowed to compete for scarce resources. Plans for regular weed control should be built into BST/firebreak construction activities.
Weed control should consist of spot control for weeds of concern that are identified during the inventory. This can consist of weed-whipping or mowing to reduce seed set, hand-pulling or grubbing, mechanical treatment (e.g., tillage) and/or herbicide treatment, depending on weeds present.
Many Utah native plants and seeds are available commercially. Care must be taken to obtain revegetation materials from reliable sources which do not add annual grass seeds or other fillers to their seed mixes. Many wholesale seed companies are also willing to mix custom blends at no extra charge, thus giving the project managers a fine degree of control over what species are planted. The UNPS maintains a partial list of local suppliers of Utah native plants and seeds on its website, www.unps.org.
The best seed source, however, is existing local vegetation. These endemic plants are already adapted to the site and produce seeds which will have more successful germination. Using seeds from local sources also maintains the genetic diversity of the plant populations. Seeds can be collected from desirable trailside plants for direct planting or for propagation and subsequent transplanting
Should container plant propagation be considered for trail revegetation, there are local resources available. The UNPS Cache Chapter and USU Cache County Extension sponsor an annual workshop which has already trained dozens of community members in Utah native plant propagation techniques. These workshops, given suitable resources, could be expanded to provide plants for the
This document was authored by Dave Wallace of the Utah Native Plant Society (UNPS) and submitted to as part of the vegetation plan for the Northern Bonneville Shoreline Trail (NBST) in February, 2002. Dave is a past president and past and current board member of UNPS.
These are Dave's acknowledgments and comments relating to this document:
Many thanks to Susan Meyer (UNPS Board of Directors) for providing an example of the plan she developed for the a BST-related project near Provo. Our plan is largely based on her work. Thanks also to Mary Barkworth for agreeing to post a BST plant checklist on the Herbarium Website, and to Ali Kelley and Julie Robertson for help with proofreading and editing. Finally, Tami Coleman deserves our special appreciation. Her last-minute work turned my clumsy effort into a polished gem.
The project will need continued involvement of Cache UNPS in developing a plant inventory and providing technical support for revegetation activity.
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Updated September 21, 2008