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Rangeland ecology & management
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2019
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2019 v.72 no.4
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- Author:
- Gersie, Samuel P.; Augustine, David J.; Derner, Justin D.
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 602-614
- ISSN:
- 1550-7424
- Subject:
- cattle; collars; digital elevation models; global positioning systems; grazing; growing season; landscapes; lowlands; model validation; plant communities; rangelands; saline soils; steppes; topography
- Abstract:
- ... The distribution of livestock across heterogeneous landscapes is often uneven, which has important implications for vegetation dynamics and how rangeland managers achieve desired outcomes from these landscapes. Here, we use data from widely available digital elevation models to classify a landscape in the shortgrass steppe with subtle topographic variation using two different approaches: topograph ...
- DOI:
- 10.1016/j.rama.2019.01.009
- https://dx.doi.org/10.1016/j.rama.2019.01.009
- Author:
- King, Sarah R.B.; Schoenecker, Kathryn A.
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 661-666
- ISSN:
- 1550-7424
- Subject:
- DNA barcoding; Equus; diet; ecological site descriptions; ecosystems; feces; feral animals; forbs; graminoids; grasses; habitat destruction; habitat preferences; horses; public lands; rangelands; risk; species diversity; Colorado
- Abstract:
- ... Feral horses (Equus ferus caballus) have become abundant on public lands in the American West, particularly over the past 10 yr. In areas where they are overabundant, there is risk of habitat degradation. Most previous studies on diet and habitat use of feral horses were conducted more than 20 yr ago; rangelands have changed considerably in that time, so it is useful to revisit horse diets. We con ...
- DOI:
- 10.1016/j.rama.2019.02.005
- https://dx.doi.org/10.1016/j.rama.2019.02.005
- Author:
- Larson, L.; Larson, P.; Johnson, D.E.
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 586-589
- ISSN:
- 1550-7424
- Subject:
- data collection; stubble; variance
- Abstract:
- ... Sampling design influences the accuracy and confidence that an investigator can place on the information derived from a data set. This study was undertaken to quantify the influence of systematic and random sample designs on the estimation of stubble height. Variance estimates, data set range, adequate sample size, and relative variation were greater with the systematic sampling design, and mean e ...
- DOI:
- 10.1016/j.rama.2019.03.007
- https://dx.doi.org/10.1016/j.rama.2019.03.007
4. Disturbance Type and Sagebrush Community Type Affect Plant Community Structure After Shrub Reduction
- Author:
- Riginos, Corinna; Veblen, Kari E.; Thacker, Eric T.; Gunnell, Kevin L.; Monaco, Thomas A.
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 619-631
- ISSN:
- 1550-7424
- Subject:
- Artemisia tridentata subsp. wyomingensis; Bromus tectorum; annuals; codominance; community structure; ecosystems; environmental factors; forbs; grasses; harrows; introduced plants; perennials; plant communities; risk; shrubs; sowing; watersheds; Utah
- Abstract:
- ... Treatments to reduce shrub cover are commonly implemented with the objective of shifting community structure away from shrub dominance and toward shrub and perennial grass codominance. In sagebrush (Artemisia L.) ecosystems, shrub reduction treatments have had variable effects on target shrubs, herbaceous perennials, and non-native annual plants. The factors mediating this variability are not well ...
- DOI:
- 10.1016/j.rama.2019.01.007
- https://dx.doi.org/10.1016/j.rama.2019.01.007
- Author:
- Gillan, Jeffrey K.; McClaran, Mitchel P.; Swetnam, Tyson L.; Heilman, Philip
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 575-585
- ISSN:
- 1550-7424
- Subject:
- data collection; forage; geographic information systems; global positioning systems; grazing; herbaceous plants; landscapes; monitoring; photogrammetry; rangelands; remote sensing; satellites; savannas; Arizona
- Abstract:
- ... Monitoring of forage utilization typically occurs at sample locations, or key areas, selected for their presumed potential to represent utilization across pastures. However, utilization can vary greatly across landscapes and may not be well represented by traditional ground-based sampling without great effort. Remote sensing from satellite and manned airborne platforms offers spatial coverage at l ...
- Handle:
- 10113/6344361
- DOI:
- 10.1016/j.rama.2019.02.009
- https://dx.doi.org/10.1016/j.rama.2019.02.009
- Author:
- Hovland, Matthew; Mata-González, Ricardo; Schreiner, R. Paul; Rodhouse, Thomas J.
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 678-691
- ISSN:
- 1550-7424
- Subject:
- Artemisia; biogeochemical cycles; community structure; drought; dry environmental conditions; ecological invasion; ecological resilience; ecosystems; fungal communities; grazing; host plants; indigenous species; introduced plants; invasive species; mycorrhizal fungi; phytomass; plant communities; plant competition; rangelands; soil; steppes
- Abstract:
- ... Arbuscular mycorrhizal fungi (AMF) may exert profound influences on ecosystem resilience and invasion resistance in rangelands. Maintenance of plant community structure through ecological feedback mechanisms such as facilitation of nutrient cycling and uptake by host plants, physical and chemical contributions to soil structural stability, and mediation of plant competition suggest AMF may be impo ...
- DOI:
- 10.1016/j.rama.2019.02.004
- https://dx.doi.org/10.1016/j.rama.2019.02.004
- Author:
- Ghajar, Shayan; Fernández-Giménez, María E.; Wilmer, Hailey
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 711-720
- ISSN:
- 1550-7424
- Subject:
- Internet; cluster analysis; decision making; education; herds; human resources; interviews; outreach; ranchers; risk; rural areas; sales; surveys; Colorado; Wyoming
- Abstract:
- ... Access to the Internet continues to grow in rural areas, ensuring ranchers will have increasing opportunities to use the Web to find information about management practices that may provide them ecological and financial benefits. Although past studies have examined the role of the Internet in informing daily decision making by agricultural producers, no studies have focused specifically on the use ...
- DOI:
- 10.1016/j.rama.2018.12.009
- https://dx.doi.org/10.1016/j.rama.2018.12.009
- Author:
- York, Elisabeth C.; Brunson, Mark W.; Hulvey, Kristin B.
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 721-728
- ISSN:
- 1550-7424
- Subject:
- ecosystem services; ecosystems; forage; grazing; humans; income; interviews; livestock; open space; public lands; ranchers; ranching; range management; rangelands; stakeholders; surveys; Intermountain West region; Western United States
- Abstract:
- ... Ecosystem services are benefits humans obtain as a result of ecosystem processes and conditions. In the western United States, public rangelands are managed for a spectrum of ecosystem services on behalf of multiple stakeholders. Decisions of ranchers who hold public land grazing allotments must balance operational needs for forage with societal expectations for other ecosystem services. To better ...
- DOI:
- 10.1016/j.rama.2019.02.002
- https://dx.doi.org/10.1016/j.rama.2019.02.002
- Author:
- Ott, Jeffrey E.; Kilkenny, Francis F.; Summers, Daniel D.; Thompson, Tyler W.
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 640-653
- ISSN:
- 1550-7424
- Subject:
- Bromus tectorum; annuals; basins; botanical composition; data collection; forbs; grasses; indigenous species; introduced plants; invasive species; long term effects; perennials; railroads; rangelands; shrublands; sowing; wildfires; woodlands; Utah
- Abstract:
- ... Seed mixes used for postfire seeding in the Great Basin are often selected on the basis of short-term rehabilitation objectives, such as ability to rapidly establish and suppress invasive exotic annuals (e.g., cheatgrass, Bromus tectorum L.). Longer-term considerations are also important, including whether seeded plants persist, continue to suppress invasives, and promote recovery of desired veget ...
- DOI:
- 10.1016/j.rama.2019.02.001
- https://dx.doi.org/10.1016/j.rama.2019.02.001
- Author:
- King, Sarah R.B.; Schoenecker, Kathryn A.; Manier, Daniel J.
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 706-710
- ISSN:
- 1550-7424
- Subject:
- Bromus tectorum; DNA barcoding; Equus; basins; cattle; cliffs; diet; ecosystems; feces; feral animals; germination; habitat conservation; herds; horses; invasive species; land management; Colorado
- Abstract:
- ... The invasive grass cheatgrass (Bromus tectorum L.) presents major challenges for land management and habitat conservation in the western United States. Feral horses (Equus ferus caballus) have become overabundant in some areas of the West and can impact fragile semiarid ecosystems. Amid ongoing efforts to control cheatgrass in the Great Basin, we conducted a study to determine if feral horses cont ...
- DOI:
- 10.1016/j.rama.2019.02.006
- https://dx.doi.org/10.1016/j.rama.2019.02.006
- Author:
- Davies, K.W.; Dean, A.E.
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 635-639
- ISSN:
- 1550-7424
- Subject:
- Artemisia; Bromus tectorum; Juniperus occidentalis; Poa bulbosa; Taeniatherum caput-medusae; adaptive management; annuals; biological soil crusts; ecological function; ecosystem services; forbs; grasses; herbicides; indigenous species; introduced plants; monitoring; prescribed burning; sowing; steppes; summer; Crooked River National Grassland
- Abstract:
- ... Western juniper (Juniperus occidentalis Hook.) encroachment and exotic annual grass (medusahead [Taeniatherum caput-medusae L. Nevski] and cheatgrass [Bromus tectorum L.]) invasion of sagebrush (Artemisia L.) communities decrease ecosystem services and degrade ecosystem function. Traditionally, these compositional changes were largely confined to separate areas, but more sagebrush communities are ...
- Handle:
- 10113/6359724
- DOI:
- 10.1016/j.rama.2019.03.006
- https://dx.doi.org/10.1016/j.rama.2019.03.006
- Author:
- Carroll, J. Matthew; Elmore, R.D.; Davis, C.A.; Fuhlendorf, S.D.
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 632-634
- ISSN:
- 1550-7424
- Subject:
- Quercus havardii; biocenosis; cold; fruits; seedlings; shrubs; storage temperature; Great Plains region; Oklahoma
- Abstract:
- ... Shinnery oak (Quercus havardii) is a native clonal shrub that contributes to an imperiled biotic community in the southern Great Plains of North America. Nevertheless, there is little information on shinnery oak ecology and this lack of information hinders potential restoration of shinnery oak in areas where it has been eliminated. We provide findings from a study conducted to assess emergence and ...
- DOI:
- 10.1016/j.rama.2019.01.006
- https://dx.doi.org/10.1016/j.rama.2019.01.006
- Author:
- Dudinszky, Natalie; Cabello, M.N.; Grimoldi, A.A.; Schalamuk, S.; Golluscio, R.A.
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 692-699
- ISSN:
- 1550-7424
- Subject:
- Acaulosporaceae; Gigasporaceae; Glomeraceae; Pacisporaceae; carbon; ecosystems; grazing intensity; grazing systems; herbivores; host plants; mycorrhizal fungi; prediction; rangeland degradation; sheep; soil aggregation; spores; steppes; water uptake; Argentina
- Abstract:
- ... Arbuscular mycorrhizal fungi (AMF) are vital for maintaining ecosystem structure and functioning and can be affected by complex interactions between plants and herbivores. Information found in the literature about how ungulate grazing affects AMF is in general contradictory but might be caused by differences in grazing intensities (GIs) among studies. Hence we studied how different GIs affect the ...
- DOI:
- 10.1016/j.rama.2019.02.007
- https://dx.doi.org/10.1016/j.rama.2019.02.007
- Author:
- Spiegal, Sheri; Estell, Richard E.; Cibils, Andres F.; James, Darren K.; Peinetti, H. Raul; Browning, Dawn M.; Romig, Kirsten B.; Gonzalez, Alfredo L.; Lyons, Andrew J.; Bestelmeyer, Brandon T.
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 590-601
- ISSN:
- 1550-7424
- Subject:
- Angus; Hereford; cows; dry season; environmental impact; forage; forbs; global positioning systems; heat; heat tolerance; home range; landscapes; pastures; profitability; rangelands; soil; summer; sustainable agriculture; vegetation; Chihuahuan Desert; New Mexico
- Abstract:
- ... Adopting livestock with heritage genetics may help to improve the sustainability of agriculture on rangelands with harsh, challenging conditions. In the Chihuahuan Desert, preliminary evidence suggests that heritage Raramuri Criollo exploit a greater variety of range resources than do conventional cattle. Accordingly, the use of Raramuri Criollo may help sustain vegetation and soils, as well as ag ...
- DOI:
- 10.1016/j.rama.2019.02.008
- https://dx.doi.org/10.1016/j.rama.2019.02.008
- Author:
- Evans, Kenneth S.; Mamo, Martha; Wingeyer, Ana; Schacht, Walter H.; Eskridge, Kent M.; Bradshaw, Jeff; Ginting, Daniel
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 667-677
- ISSN:
- 1550-7424
- Subject:
- Coleoptera; biogeochemical cycles; dung beetles; ecological function; feces; field experimentation; grassland soils; nutrients; organic carbon; phosphorus; rangeland soils; soil depth; soil fauna; soil nutrients; summer
- Abstract:
- ... Soil fauna play critical roles in various ecosystem functions and services, but empirical data measuring their impact on dung pat decomposition and subsequent nutrient cycling into rangeland soils are limited. The objective of this study was to quantify the effect of soil fauna, using dung beetle as an indicator, on dung decomposition and subsequent translocation of dung nutrients into grassland s ...
- DOI:
- 10.1016/j.rama.2019.01.008
- https://dx.doi.org/10.1016/j.rama.2019.01.008
16. Technical Note: Method to Streamline Processing of Livestock Global Positioning System Collar Data
- Author:
- Brennan, Jameson; Johnson, Patricia; Olson, Kenneth
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 615-618
- ISSN:
- 1550-7424
- Subject:
- collars; computer software; data collection; geographic information systems; global positioning systems; livestock; models
- Abstract:
- ... The use of global positioning system (GPS) technology to study livestock movement has been widely adopted in range and animal sciences; however, the methods for processing GPS collar data are varied among researchers and often involve repetitive, time-consuming steps to get data into a format available to view in geographic information system (GIS) software. The objective of this technical note is ...
- DOI:
- 10.1016/j.rama.2019.03.003
- https://dx.doi.org/10.1016/j.rama.2019.03.003
- Author:
- Davies, Kirk W.; Hamerlynck, Erik
- Source:
- Rangeland ecology & management 2019 v.72 no.4 pp. 700-705
- ISSN:
- 1550-7424
- Subject:
- Ventenata dubia; annuals; application rate; forage; forbs; grasses; imazapic; introduced plants; livestock; pure stands; rangelands; vegetation cover; wildlife habitats
- Abstract:
- ... Ventenata (Ventenata dubia [Leers] Coss.) is an exotic annual grass that can invade intermountain rangeland plant communities, where it can form monotypic stands, degrade wildlife habitat, and reduce livestock forage. There is limited information on ventenata control in rangelands as it has only recently been identified as a substantial problem. Imazapic is a pre-emergent herbicide commonly used t ...
- Handle:
- 10113/6344363
- DOI:
- 10.1016/j.rama.2019.02.010
- https://dx.doi.org/10.1016/j.rama.2019.02.010