Bighorn Sheep and Elk Habitat Enhancement Project
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TechLine Information About Invasive/Exotic Plant Management Fall 2010 Partnerships key to funding integrated weed management effort By Celestine Duncan Bighorn Sheep and Elk TechLine coEditor Habitat Enhancement Project Photo by Cameron Rasor, USFS Pintler Ranger District Stucky Ridge provides critical habitat for bighorn sheep. tucky Ridge, a series Most of the site was acquired in the late 1990s by the Beaverhead- S of grassy, wind-blown “We aren’t just Deerlodge National Forest. Addi- managing weeds, but benches and timbered gulches tional privately owned acreage on we’re improving critical located near Anaconda in the Ridge was purchased in 2008 through a partnership between the wildlife habitat and southwestern Montana, pro- American Land Conservancy, Five protecting a valuable vides critical winter range for Valley Land Trust, and Montana Fish, Wildlife and Parks. “The area is resource for future elk, mule deer, and bighorn especially important to the bighorn generations.” sheep, and is an important rut- sheep herd, which can be found on the site from fall through spring,” - Cameron Rasor ting and calving area for elk. says Cameron Rasor, Range Manage- See “Habitat” on page 2 InsIde TechLIne Effect of Milestone on Canada Fall application tips to control key thistle and native plant community Biocontrol Researcher Retires noxious weeds Page 4 Page 11 Page 10 “Habitat” Continued from page 1 “We aren’t just managing weeds, ment Specialist for the Pintler Ranger but we’re improving critical wildlife District. “Some of the other bighorn habitat and protecting a valuable populations in Montana have been resource for future generations.” decimated by disease, so protection The project area was divided into and habitat improvement on Stucky three separate weed management Ridge is important for sheep as well units: 1) low elevation, fragile sites as the elk.” with dense populations of spotted One of the critical resource issues knapweed and limited desirable na- impacting Stucky Ridge was noxious tive vegetation; 2) environmentally weed infestation – primarily spotted sensitive sites near aspen, conifers, knapweed (Centaurea stoebe) – that and water; and 3) areas that were best Photo by Cameron Rasor, suited to aerial herbicide application. threatened big game habitat. A key USFS Pintler Ranger District partnership was formed between The Forest Service implemented an the Pintler Ranger District, Montana Rocky Mountain Elk Foundation integrated program that included Fish, Wildlife and Parks, Deer Lodge employees Al Christophersen, release of biological control agents on Director of Habitat Stewardship County Weed District, and the Blue spotted knapweed on low elevation Services, and Bob Schrenk, Habitat Eyed Nellie Working Group, which sites. About 1,000 Larinus spp. (seed Stewardship Services Coordinator, feeding insects) and 2,000 Cyphocleo- involves private landholders adjacent supervising the aerial treatments nus achates (root feeding insects) were to Stucky Ridge. Private organiza- on September 16, 2009. tions also joined forces with the part- released in 2009. “Our hope is that the insects will slowly remove the ners including the Rocky Mountain “We never would have Elk Foundation, Montana Chapter spotted knapweed allowing natural of the Foundation for North Ameri- been able to implement replacement of native vegetation,” can Wild Sheep, and the Anaconda the project on this scale explains Rasor. More releases are Sportsmen’s Club. Partners agreed to planned for 2010 with continued if it wasn’t for our cooperate on a five-year, large-scale monitoring of insect populations to habitat enhancement project for the partners.” determine establishment. Ground herbicide applications be- area. “Our main objectives were to - Cameron Rasor protect areas not infested by noxious gan in June 2009 with three different weeds by treating established infes- herbicide treatments including Mile- tations in higher elevation areas of stone® at 7 fluid ounces per acre, 2,4-D Stucky Ridge,” explains Rasor. “We at 1.5 quarts per acre, and Transline® also wanted to shift vegetation toward Project Funding for 2009 at 2/3 pint per acre. Herbicide treat- the potential natural community by ments were applied to 379 acres with increasing native bunchgrasses and Source Amount ($) a specialized off-road vehicle called forbs, and stop weed re-invasion of the Land Tamer. The Land Tamer is previously treated areas.” Sikes Act 10,000 equipped with two boom-buster ap- Cost for the first year of the project in Region 1 Forest Service 2009 was calculated at $100,000, more 10,000 that half of the district’s annual weed Sikes Act Matching budget. Because of the importance of Tri County Resource 30,000 the area and partners involved with Advisory Council the project, the Tri County Resource Rocky Mountain Elk Advisory Committee (RAC) and 5,000 Foundation Rocky Mountain Elk Foundation Beaverhead-Deerlodge stepped up to provide $45,000, with 35,228 the remainder of funds provided National Forest by the Sikes Act ($10,000), Region 1 Forest Service, and Beaverhead- TOTAL 100,228 Deerlodge National Forest. “We never would have been able to implement Total Project Cost (5 Years) 316,550 Photo by . the project on this scale if it wasn’t Cameron Rasor, Range Management for our partners,” explains Rasor. Specialist, USFS Pintler Ranger District 2 TechLine Photo by Cameron Rasor, USFS Pintler Ranger District Photo by Cameron Rasor, USFS Pintler Ranger District Spotted knapweed infestation on Stucky Ridge prior to treatment (left) and 9 months following a fall aerial application of Milestone at 6 fluid ounces per acre (right). plication nozzles and a center single nozzle, which gives by James Weatherly, executive director of the Montana a treatment pattern of 55 feet and a total application Chapter of the Foundation for North American Wild volume of about 11 gallons per acre. “The Land Tamer Sheep. “If Stucky Ridge weren’t conserved, another allows us to accurately treat areas of rough terrain with piece of land vital to bighorn sheep would be lost,” says a higher level of safety to our operators,” says Rasor. Weatherly. “Saving this critical habitat helps keep our Results the year of treatment showed excellent spotted wildlife populations from further decline.” knapweed control with Milestone and Transline treat- The Beaverhead-Deerlodge National Forest is proud ments, but poor results on sites treated with 2,4-D. of the partnerships and accomplishments in 2009. Total In September 2009 the Beaverhead-Deerlodge Na- cost of the habitat enhancement project to date is about tional Forest and Rocky Mountain Elk Foundation $72,000 to treat 1,429 acres of spotted knapweed, release (RMEF) entered into a Stewardship Challenge Cost- 3,000 biological control agents, secure one road closure, Share Agreement for aerial herbicide application on and purchase material for a spring re-development. “We 1,050 acres infested with spotted knapweed. With the have money remaining from 2009, plus additional fund- help of the RMEF, a contract was issued to Heli-works ing to put toward our future ground and aerial herbicide Flight Services to apply Milestone at 6 fluid ounces per treatments and rehabilitation efforts. Our goal is to treat acre. “We reviewed results of about 1,500 spotted knapweed our aerial treatments in July acres each year through an in- 2010 and had excellent control tegrated program, for a total of of spotted knapweed with 5,094 acres over five years. Most the fall aerial treatments. The importantly, the Forest wants to wildflowers, perennial grass, expand our partnerships and and sagebrush look great and increase weed awareness with healthy,” Rasor says. adjacent landowners and special Funding for the project was interest groups,” says Rasor. also used to construct a jackleg fence and install a closure gate to help keep unauthorized ve- ®Trademark of Dow AgroSciences LLC hicles from entering the area. Photo by Cameron Rasor, USFS Pintler Ranger District Some states require an individual be licensed if involved in the This should reduce movement Land Tamer applying herbicide treatments. recommendation, handling or application of spotted knapweed to non-in- of any pesticide. Consult your local fested sites and limit disturbance The Land Tamer is a fully amphibious extension office for information regarding licensing requirements. Milestone is not caused by off-road vehicles. The vehicle that can function as a boat, ATV, tractor registered for sale or use in all states. final segment of the 2009 project or snow coach. The Pintler Ranger District Contact your state pesticide regulatory included purchasing materials agency to determine if a product is purchased a Land Tamer in 2007 for treating registered for sale or use in your state. to re-develop a spring in 2010 to noxious weeds. Equipped with a 100-gallon provide water for wildlife during tank, an applicator can treat up to 9 acres State restrictions on the sale and use of summer months. Transline apply. Consult the label before before having to refill the tank. Additional purchase or use for full details. The importance of Stucky information on the Land Tamer can be found Ridge preservation and habitat Always read and follow label directions. enhancement was described online: http://www.landtamer.com/ TechLine 3 Editor’s note: The following article was summarized from a research paper published in Weed Science Society of America Invasive Plant Science and Management. 3, April–June 2010. The entire article is available online at www.techlinenews.com <Click on the TechInfo> By Travis L. Almquist and Rodney G. Lym Effect of Milestone® on Canada Thistle (Cirsium arvense L.) and the Native Plant Community in a Restored Tallgrass Prairie Photo by Rod Lym, North Dakota State University ative tallgrass prairies in North Dakota and Minnesota is a field study in restored tallgrass N left in native or restored condition. prairie within the Glacial Ridge are diverse ecosys- Fire suppression and removal of na- Preserve in northwestern Minnesota.