Search Results - "Svejcar, Tony J"

Agglomerating seeds to enhance native seedling emergence and growth by Madsen, Matthew D, Davies, Kirk W, Williams, C. Jason, Svejcar, Tony J

“…Restoration in rangelands is constrained by low establishment of species sown from seed. Non-biotic soil-surface crust is one of the major factors limiting…”
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Disturbance History, Management, and Seeding Year Precipitation Influences Vegetation Characteristics of Crested Wheatgrass Stands by Nafus, Aleta M., Svejcar, Tony J., Davies, Kirk W.

“…Crested wheatgrass (Agropyron cristatum [L] Gaertm. and Agropyron desertorum [Fisch.] Schult.) has been seeded across millions of hectares of the sagebrush…”
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Prefire grazing by cattle increases postfire resistance to exotic annual grass (Bromus tectorum) invasion and dominance for decades by Davies, Kirk W, Jon D. Bates, Chad S. Boyd, Tony J. Svejcar

“…1. Fire, herbivory and their interaction influence plant community dynamics. However, little is known about the influence of pre-fire herbivory on post-fire…”
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Demographic processes limiting seedling recruitment in arid grassland restoration by James, Jeremy J., Svejcar, Tony J., Rinella, Matthew J.

“…1. Seeding is an important management tool in aridland restoration, but seeded species often fail to establish. Previous research has largely focused on the…”
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Postdefoliation ecosystem carbon and water flux and canopy growth dynamics in sagebrush steppe bunchgrasses by Hamerlynck, Erik P., Sheley, Roger L., Davies, Kirk W., Svejcar, Tony J.

“…Developing land‐use practices that lead to sustainable net primary productivity in rangelands are important, but understanding their consequences to population…”
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Saving the sagebrush sea: An ecosystem conservation plan for big sagebrush plant communities by Davies, Kirk W., Boyd, Chad S., Beck, Jeffrey L., Bates, Jon D., Svejcar, Tony J., Gregg, Michael A.

“…► We developed a conservation plan for the sagebrush ecosystem. ► Restoration of conifer encroached-sagebrush communities is often successful. ► Restoration of…”
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Emerging seed enhancement technologies for overcoming barriers to restoration by Madsen, Matthew D., Davies, Kirk W., Boyd, Chad S., Kerby, Jay D., Svejcar, Tony J.

“…Rangelands occupy over a third of global land area, and in many cases are in less than optimum condition as a result of past land use, catastrophic wildfire,…”
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A new perspective and approach to ecosystem restoration: a seed enhancement technology guide and case study by Svejcar, Lauren N., Brown, Vanessa S., Ritchie, Alison L., Davies, Kirk W., Svejcar, Tony J.

“…Restoration efforts in dryland systems are often limited by a complex range of environmental variables and chronically low establishment of seeded native…”
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Can delaying germination reduce barriers to successful emergence for early‐germinating, fall‐sown native bunchgrass seeds in cold deserts? by Baughman, Owen W., Kerby, Jay D., Boyd, Chad S., Madsen, Matthew D., Svejcar, Tony J.

“…Efforts to restore semiarid wildlands in the western United States predominantly use fall seeding. Fall conditions are more amenable to seeding, and…”
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Plant recruitment in drylands varies by site, year, and seeding technique by Svejcar, Lauren N., Kerby, Jay D., Svejcar, Tony J., Mackey, Bruce, Boyd, Chad S., Baughman, Owen W., Madsen, Matthew D., Davies, Kirk W.

“…Restoration in dryland ecosystems is hindered by low establishment of seeded species. As such, evaluations of current seeding methods are critical to…”
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Native Vegetation Composition in Crested Wheatgrass in Northwestern Great Basin by Nafus, Aleta M., Svejcar, Tony J., Davies, Kirk W.

“…Crested wheatgrass, an introduced perennial bunchgrass, has been seeded extensively on the rangelands of western North America. There is a perception that this…”
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Managing Complex Problems in Rangeland Ecosystems by Boyd, Chad S., Svejcar, Tony J.

“…Management of rangelands, and natural resources in general, has become increasingly complex. There is an atmosphere of increasing expectations for conservation…”
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Successful Adaptive Management—The Integration of Research and Management by Reever Morghan, Kimberly J., Sheley, Roger L., Svejcar, Tony J.

“…Adaptive management is a way for managers to do their jobs in the face of uncertainty and learn by doing. Managers gain greater knowledge of their systems by…”
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Herbaceous Biomass Response to Prescribed Fire in Juniper-Encroached Sagebrush Steppe by Bates, Jonathan D., Davies, Kirk W., Bournoville, Justin, Boyd, Chad, O'Connor, Rory, Svejcar, Tony J.

“…Western juniper (Juniperus occidentalis Hook.) has expanded into sagebrush steppe plant communities the past 130 - 150 yr in the northern Great Basin. The…”
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Comparison of Medusahead-Invaded and Noninvaded Wyoming Big Sagebrush Steppe in Southeastern Oregon by Davies, Kirk W., Svejcar, Tony J.

“…Medusahead (Taeniatherum caput-medusae [L.] Nevski) is an exotic, annual grass invading sagebrush steppe rangelands in the western United States. Medusahead…”
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Ecosystem Water Availability in Juniper Versus Sagebrush Snow-Dominated Rangelands by Kormos, Patrick R., Marks, Danny, Pierson, Frederick B., Williams, C. Jason, Hardegree, Stuart P., Havens, Scott, Hedrick, Andrew, Bates, Jonathan D., Svejcar, Tony J.

“…Western Juniper (Juniperus occidentalis Hook.) has greatly expanded in the past 150+years and now dominates over 3.6 million ha of rangeland in the…”
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Improving Restoration of Exotic Annual Grass-Invaded Rangelands Through Activated Carbon Seed Enhancement Technologies by Madsen, Matthew D., Davies, Kirk W., Mummey, Daniel L., Svejcar, Tony J.

“…Cost-efficient strategies for revegetating annual grass-infested rangelands are limited. Restoration efforts typically comprise a combination of pre-emergent…”
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Prefire (Preemptive) Management to Decrease Fire-Induced Bunchgrass Mortality and Reduce Reliance on Postfire Seeding by Hulet, April, Boyd, Chad S., Davies, Kirk W., Svejcar, Tony J.

“…Western rangelands are currently under severe threat from exotic annual grasses. To successfully manage rangelands that are either infested with or susceptible…”
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Compensatory Photosynthesis, Water-Use Efficiency, and Biomass Allocation of Defoliated Exotic and Native Bunchgrass Seedlings by Hamerlynck, Erik P., Smith, Brenda S., Sheley, Roger L., Svejcar, Tony J.

“…Compensatory increases in net photosynthetic assimilation rates (Anet) following herbivory are well documented in adult rangeland grasses but have not been…”
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Effects of Long-Term Livestock Grazing on Fuel Characteristics in Rangelands: An Example From the Sagebrush Steppe by Davies, Kirk W., Bates, Jonathan D., Svejcar, Tony J., Boyd, Chad S.

“…Livestock grazing potentially has substantial influence on fuel characteristics in rangelands around the globe. However, information quantifying the impacts of…”
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