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Open Access Article     |     Next >>   Contents Vol 36(3)

Virtual herding for flexible livestock management – a review

Dean M. Anderson A D , Rick E. Estell A , Jerry L. Holechek B , Shanna Ivey B and Geoffrey B. Smith C

A USDA-ARS-Jornada Experimental Range, Las Cruces, NM 88003, USA.
B Department of Animal and Range Sciences, New Mexico State University, Las Cruces, NM 88003, USA.
C Department of Biology, New Mexico State University, Las Cruces, NM 88003, USA.
D Corresponding author. Email: deanders@nmsu.edu

The Rangeland Journal 36(3) 205-221 http://dx.doi.org/10.1071/RJ13092
Submitted: 5 September 2013  Accepted: 22 May 2014   Published: 26 June 2014


 
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Abstract

Free-ranging livestock play a pivotal role globally in the conversion of plant tissue into products and services that support man’s many and changing lifestyles. With domestication came the task of providing livestock with an adequate plane of nutrition while simultaneously managing vegetation for sustainable production. Attempting to meld these two seemingly opposing management goals continues to be a major focus of rangeland research. Demand for multiple goods and services from rangelands today requires that livestock production make the smallest possible ‘negative hoof-print’. Advancements in global navigation satellite system, geographic information systems, and electronic/computing technologies, coupled with improved understanding of animal behaviour, positions virtual fencing (VF) as an increasingly attractive option for managing free-ranging livestock. VF offers an alternative to conventional fencing by replacing physical barriers with sensory cues to control an animal’s forward movement. Currently, audio and electrical stimulation are the cues employed. When VF becomes a commercial reality, manual labour will be replaced in large part with cognitive labour for real-time prescription-based livestock distribution management that is robust, accurate, precise and flexible. The goal is to manage rangeland ecosystems optimally for soils, plants, herbivores in addition to the plant and animal’s microflora. However, maximising the benefits of VF will require a paradigm shift in management by using VF as a ‘virtual herder’ rather than simply as a tool to manage livestock within static physical barriers.

Additional keywords: grazing systems, hoof-action, livestock management, paddocks, pastures, plant–animal interface, rumen dynamics, stocking rate.


References

Agastin, A., Sauvant, D., Naves, M., and Boval, M. (2014). Influence of trough versus pasture feeding on average daily gain and carcass characteristics in ruminants: a meta-analysis. Journal of Animal Science 92, 1173–1183.
CrossRef | CAS | PubMed |

Aldezabal, A., Mandaluniz, N., and Laskurain, N. A. (2013). Gorse (Ulex spp.) use by ponies in winter: is the spatial pattern of browsing independent of the neighboring vegetation? Grass and Forage Science 68, 49–58.
CrossRef |

Allen, V. G., Batello, C., Berretta, E. J., Hodgson, J., Kothmann, M., Li, X., McLvor, J., Milne, J., Morris, C., Peeters, A., and Sanderson, M. (2011). An international terminology for grazing lands and grazing animals. Grass and Forage Science 66, 2–28.
CrossRef |

Allison, D. D., Anderson, D. M., Beck, R. F., Donart, G. B., Pieper, R. D., and Schickedanz, J. G. (1982). Developing grazing strategies on arid and semi-arid rangelands. In: ‘Proceedings of a National Conference on Grazing Management Technology’. 10–12 November 1982. (Eds D. D. Briske and M. M. Kothmann.) pp. 124–133. (Texas A&M University: College Station, TX.)

Anderson, W. E. (1967). Grazing systems as methods of managing the range resources. Journal of Range Management 20, 383–388.
CrossRef |

Anderson, D. M. (1977). Standing crop, diets, travel and weight changes under short-duration and continuous grazing. PhD Dissertation, Texas A&M University, College Station, Texas, USA.

Anderson, D. M. (1981). Manipulating rangeland forage quality with the grazing animal. In: ‘Forage Evaluation: Concepts and Techniques’. (Eds J. L. Wheeler and R. D. Mochrie.) pp. 313–330. (Griffin Press: Netley, S. Aust.)

Anderson, D. M. (1988). Seasonal stocking of tobosa managed under continuous and rotation grazing. Journal of Range Management 41, 78–83.
CrossRef |

Anderson, D. M. (2001). Virtual fencing – a prescription range animal management tool for the 21st century. In: ‘Proceedings of the Conference on Tracking Animals with GPS’. (Eds A. M. Sibbald and I. J. Gordon.) pp. 85–94. (Macaulay Land Use Research Institute: Aberdeen, UK.)

Anderson, D. M., Purushotham, N., Nolen, B., Fredrickson, E. L., Estell, R., Hale, C. S., and Havstad, K. M. (2005). Directional virtual fencing (DVF™) and flerds. In: ‘58th Annual Meetings of the Society for Range Management’. Fort Worth, TX, 5–11 February. Abstract left out of published proceedings. (Society of Range Management: Littleton, CO.)

Anderson, D. M. (2006). Virtual fencing – a concept into reality. In: ‘Proceedings of the Spatial Grazing Behavior Workshop’. (Ed. G. J. Bishop-Hurley.) pp. 61–91. (J. M. Rendel Laboratory: Rockhampton, Qld.)

Anderson, D. M. (2007). Virtual fencing – past, present and future. The Rangeland Journal 29, 65–78.
CrossRef |

Anderson, D. M. (2010). Geo-spatial methods and data analysis for assessing distribution of grazing livestock. In: ‘Proceedings of the 4th Grazing Livestock Nutrition Conference’. (Eds B. W. Hess, T. DelCurto, J. G. P. Bowman and R. C. Waterman.) pp. 57–91. (Western Section American Society of Animal Science: Champaign, IL.)

Anderson, D. M., Hale, C. S., Libeau, R., and Nolen, B. (2003). Managing stocking density in real time. In: ‘Proceedings of the VIIth International Rangeland Congress’. (Eds H. Allsopp, A. R. Palmer, S. J. Milton, K. P. Kirkman, G. I. H. Kerley, C. R. Hurt and C. J. Brown.) pp. 840 –843. (Grassland Society of Southern Africa: Grahamstown, South Africa.)

Anderson, D. M., Nolen, B., Fredrickson, E., and Havstad, K., Hale, C., and Nayak P. (2004a). Representing spatially explicit directional virtual fencing (DVF™) data. In: ‘Proceedings of the 24th Annual ESRI International Users Conference’. CD-ROM. (ESRI: San Diego, CA.)

Anderson, D. M., Price, M. A., Fredrickson, E. L., Nolen, B., Libeau, R., Koppa, J., Hale, C. S., and Havstad, K. M. (2004b). ‘Directional virtual fencing (DVF™). In: ‘57th Annual Meetings of the Society for Range Management’. Salt Lake City, UT, 24–30 January. Abstract No. 6, p. 4. (Society of Range Management: Littleton, CO.)

Anderson, D. M., Remenyi, N., and Murray, L. W. (2011). Using time-series intervention analysis to model cow heart rate affected by programmed audio and environmental/physiological cues. In: ‘Proceedings of the 22nd Annual Kansas State University Conference on Applied Statistics in Agriculture’. (Ed. W. Song.) pp. 107–136. (Kansas State Department of Statistics: Manhattan, KS.) Available at: http://jornada.nmsu.edu/bibliography/10-045.pdf (accessed 5 December 2013).

Anderson, D. M., Winters, C., Estell, R. E., Fredrickson, E. L., Doniec, M., Detweiler, C., Rus, D., James, D., and Nolen, B. (2012). Characterizing the spatial and temporal activities of free-ranging cows from GPS data. The Rangeland Journal 34, 149–161.
CrossRef |

Anderson, D. M., Estell, R. E., and Cibils, A. F. (2013). Spatiotemporal cattle data – a plea for protocol standardization. Positioning 4, 115–136.
CrossRef |

Ash, A. J., and McIvor, J. G. (2005). Constraints to pastoral systems in marginal environments. In: ‘Pastoral Systems in Marginal Environments. Proceedings of a Satellite Workshop of the XXth International Grassland Congress, July 2005, Glasgow, Scotland’. (Ed. J. A. Milne.) pp. 17–28. (Wageningen Academic Publishers: Wageningen, the Netherlands.)

Ash, A. J., and Stafford Smith, D. M. (1996). Evaluating stocking rate impacts in rangelands: animals don’t practice what we preach. The Rangeland Journal 18, 216–243.
CrossRef |

Asner, G. P., and Archer, S. R. (2010). Livestock and the global carbon cycle. In: ‘Livestock in a Changing Landscape: Drivers, Consequences, and Responses. Vol. 1’. (Eds H. Steinfeld, H. A. Mooney, F. Schneiger and L. E. Neville.) pp. 69–82. (Island Press: Washington, DC.)

Augustine, D. J., Milchunas, D. G., and Derner, J. D. (2013). Spatial redistribution of nitrogen by cattle in semi-arid rangeland. Rangeland Ecology and Management 66, 56–62.
CrossRef |

Bailey, D. W. (2005). Identification and creation of optimum habitat conditions for livestock. Rangeland Ecology and Management 58, 109–118.
CrossRef |

Bailey, D. W., and Brown, J. R. (2011). Rotational grazing systems and livestock grazing behavior in shrub-dominated semi-arid and arid rangelands. Rangeland Ecology and Management 64, 1–9.
CrossRef |

Bailey, D. W., Kress, D. D., Anderson, D. C., Boss, D. L., and Miller, E. T. (2001). Relationship between terrain use and performance of beef cows grazing foothill rangeland. Journal of Animal Science 76, 1883–1891.

Barnes, M., and Hild, A. (2013). Strategic grazing management for complex creative systems. Rangelands 35, 3–5.
CrossRef |

Barnes, M., and Howell, J. (2013). Multiple-paddock grazing distributes utilization across heterogeneous mountain landscapes. Rangelands 35, 52–61.
CrossRef |

Barnes, M. K., Norton, B. E., Maeno, M., and Malechek, J. C. (2008). Paddock size and stocking density affect spatial heterogeneity of grazing. Rangeland Ecology and Management 61, 380–388.
CrossRef |

Belnap, J., Welter, J. R., Grimm, N. B., Barger, N., and Ludwig, J. A. (2005). Linkages between microbial and hydrologic processes in arid and semi-arid watersheds. Ecology 86, 298–307.
CrossRef |

Belsky, A. J. (1986). Does herbivory benefit plants? A review of the evidence. American Naturalist 127, 870–892.
CrossRef |

Boone, R. B., and Hobbs, N. T. (2004). Lines around fragments: effects of fencing on large herbivores. African Journal of Range and Forage Science 21, 147–158.
CrossRef |

Briske, D. D. (1991). Developmental morphology and physiology of grasses. In: ‘Grazing Management and Ecological Perspectives’. (Eds R. K. Heitschmidt and J. W. Stuth.) pp. 85–108. (Timber Press: Portland, OR.)

Briske, D. D., Derner, J. D., Brown, J. R., Fuhlendorf, S. D., Teague, W. R., Havstad, K. M., Gillen, R. L., Ash, A. J., and Willms, W. D. (2008). Rotational grazing on rangelands: reconciliation of perception and experimental evidence. Rangeland Ecology and Management 61, 3–17.
CrossRef |

Briske, D. D., Sayre, N. F., Huntsinger, S. L., Fernandez-Gimenez, M., Budd, B., and Derner, J. D. (2011). Origin, persistence, and resolution of the rotational grazing debate: integrating human dimensions into rangeland research. Rangeland Ecology and Management 64, 325–334.
CrossRef |

Briske, D. D., Bestelmeyer, B. T., and Brown, J. R. (2014). Savory’s unsubstantiated claims should not be confused with multipaddock grazing. Rangelands 36, 39–42.
CrossRef |

Brulc, J. M., Antonopoulos, D. A., Berg Miller, M. E., Wilson, M. K., Yannarell, A. C., Dinsdale, E. A., Edwards, R. E., Frank, E. D., Emerson, J. B., Wacklin, P., Coutinho, P. M., Henrissat, B., Nelson, K. E., and White, B. A. (2009). Gene-centric metagenomics of the fiber-adherent bovine rumen microbiome reveals forage specific glycoside hydrolases. Proceedings of the National Academy of Sciences of the United States of America 106, 1948–1953.
CrossRef | CAS | PubMed |

Brunson, M. W., and Burritt, E. A. (2009). Behavioral factors in rotational grazing systems. Rangelands 31, 20–25.
CrossRef |

Bryant, F. C., Dahl, B. E., Pettit, R. D., and Britton, C. M. (1989). Does short-duration grazing work in arid and semi-arid regions? Journal of Soil and Water Conservation 44, 290–296.

Buddle, B. M., Denis, M., Attwood, G. T., Altermann, E., Janssen, P. H., Ronimus, R. S., Pinares-Patiño, C. S., Muetzel, S., and Wedlock, D. N. (2011). Strategies to reduce methane emissions from farmed ruminants grazing on pasture. Veterinary Journal 188, 11–17.
CrossRef | CAS |

Bullock, J. M., Hill, B. C., Silvertown, J., and Sutton, M. (1995). Gap colonization as a source of grassland community change: effects of gap size and grazing on the rate and mode of colonization by different species. Oikos 72, 273–282.
CrossRef |

Butler, Z., Corke, P., Peterson, R., and Rus, D. (2006). From robots to animals: virtual fences for controlling cattle. The International Journal of Robotics Research 25, 485–508.
CrossRef |

Cassini, M. H. (2013). Distribution ecology in animal production. In: ‘Distribution Ecology’. (Ed. M. H. Cassini.) pp. 163–176. (Springer: New York.)

Clauss, M., Lechner-Doll, M., and Streich, W. J. (2003). Ruminant diversification as an adaptation to the physicomechanical characteristics of forage. A reevaluation of an old debate and a new hypothesis. Oikos 102, 253–262.
CrossRef |

Coughenour, M. B. (1991). Spatial components of plant-herbivore interactions in pastoral, ranching, and native undulate ecosystems. Journal of Range Management 44, 530–542.
CrossRef |

Crutzen, P. J., Aselmann, I., and Seiler, W. (1986). Methane production by domestic animals, wild ruminants, other herbivorous fauna, and humans. Tellus 38B, 271–284.
CrossRef | CAS |

Dahl, B. E. (1986). The west Texas experience in short duration grazing. In: ‘Short Duration Grazing’. (Ed. J. Tiedeman.) pp. 103–116. (Washington State University: Pullman, WA.)

Davies, T. H. (1976). The evolution of modern dairy cow grazing systems. Agricultural Development and Advisory Service (ADAS). The Quarterly Review 22, 275–282.

de Veth, M. J., and Kolver, E. S. (2001). Diurnal variation in pH reduces digestion and synthesis of microbial protein when pasture is fermented in continuous culture. Journal of Dairy Science 84, 2066–2072.
CrossRef | CAS | PubMed |

Dean, R. E., and Rice, R. W. (1974). Effects of fences and corrals on grazing behavior. Proceedings Western Section Society of Animal Science 25, 56–58.

Dehority, B. A., and Orpin, C. G. (1997). Development of, and natural fluctuations in, rumen microbial populations. In: ‘The Rumen Microbial Ecosystem’. (Eds P. N. Hobson and C. S. Stewart.) pp. 196–245. (Blackie Academic & Professional: New York.)

Derner, J. D., Hart, R. H., Smith, M. A., and Waggoner, J. W. (2008). Long-term cattle gain responses to stocking rate and grazing systems in northern mixed-grass prairie. Livestock Science 117, 60–69.
CrossRef |

Diamond, J. M., Call, C. A., and Devoe, N. (2009). Effects of targeted cattle grazing on fire behavior of cheatgrass-dominated rangeland in the northern Great Basin, USA. International Journal of Wildland Fire 18, 944–950.
CrossRef |

Dolev, A., Henkin, Z., Brosh, A., Yehuda, Y., Ungar, E. D., Shabtay, A., and Aharoni, Y. (2014). Foraging behavior of two cattle breeds – a whole-year study: II. Spatial distribution by breed and season. Journal of Animal Science (online). Available at: www.journalofanimalscience.org/content/92/2/758.full.pdf+html?sid=ab57963a-5568-4234-9bfc-2a4758460038 (accessed 24 February 2014).

Donniec, M., Detweiler, C., Vasilescu, I., Anderson, D. M., and Rus, D. (2010). Autonomous gathering of livestock using a multi-functional sensor network platform. In: ‘Proceedings of the 6th Workshop on Hot Topics in Embedded Networked Sensors’. 28–29 June, Killarney, Ireland. Available at: http://cse.unl.edu/~carrick/papers/DoniecDetweilerVasilescuAndersonRus_HotEMNETs2010.pdf (accessed 12 February 2013).

Drewry, J. J., Cameron, K. C., and Buchan, G. D. (2008). Pasture yield and soil physical property responses to soil compaction from treading and grazing – a review. Australian Journal of Soil Research 46, 237–256.
CrossRef |

Dumont, B., Boissy, A., Achard, C., Sibbald, A. M., and Erhard, H. W. (2005). Consistency of animal order in spontaneous group movements allows the measurement of leadership in a group of grazing heifers. Applied Animal Behaviour Science 95, 55–66.
CrossRef |

Dunn, M. W. (2013). Stocking system effects on cattle performance, forage, and soil properties of cool-season pastures. MS Thesis, Iowa State University, Ames, Iowa, USA.

Dwyer, C. M., and Lawrence, A. B. (2000). Effects of maternal genotype and behavior on the behavioural development of their offspring in sheep. Behaviour 137, 1629–1654.
CrossRef |

Eckard, R. J., Grainger, C., and deKlein, C. A. M. (2010). Options for the abatement of methane and nitrous oxide from ruminant production: a review. Livestock Science 130, 47–56.
CrossRef |

Edwards, W. (2012). ‘Estimated costs for livestock fencing.’ Iowa State Publication File B1-75, Ames, Iowa. Available at: www.extension.iastate.edu/agdm/livestock/pdf/b1-75.pdf (accessed 25 June 2013).

Estevez, I., Andersen, I.-L., and Naevdal, E. (2007). Group size, density and social dynamics in farm animals. Applied Animal Behaviour Science 103, 185–204.
CrossRef |

Fales, S. L., Muller, L. D., Ford, S. A., O’Sullivan, M., Hoover, R. J., Holden, L. A., Lanyon, L. E., and Buckmaster, D. R. (1995). Stocking rate affects production and profitability in a rotationally grazed pasture system. Journal of Production Agriculture 8, 88–96.
CrossRef |

Falkner, L. K., and Casler, M. D. (2000). Genetic shifts in smooth bromegrass under grazing: changes in nutritional value and preference for surviving vs. original genotypes. Grass and Forage Science 55, 351–360.
CrossRef |

Fernando, S. C., Purvis, H. T., Najar, F. Z., Sukharnikov, L. O., Krehbiel, C. R., Nagaraja, T. G., Roe, B. A., and DeSilva, U. (2010). Rumen microbial population dynamics during adaptation to a high-grain diet. Applied and Environmental Microbiology 76, 7482–7490.
CrossRef | CAS | PubMed |

Finger, A., Patison, K. P., Heath, B. M., and Swain, D. L. (2014). Changes in the group associations of free-ranging beef cows at calving. Animal Production Science 54, 270–276.
CrossRef |

Firkins, J. L. (1996). Maximizing microbial protein synthesis in the rumen. The Journal of Nutrition 126, 1327S–1354S.

Fleischner, T. L. (1994). Ecological cost of livestock grazing in western North America. Conservation Biology 8, 629–644.
CrossRef |

Fleming, C. E. (1922). ‘One-night camps vs. established bed-grounds on Nevada sheep ranges.’ Nevada Agricultural Experiment Station Bulletin 103. (Nevada Agricultural Experiment Station: Reno, NV.)

Frasier, W. M., and Steffens, T. (2013). Stocking rate decisions are not related to what you paid for your land or pickup. Rangelands 35, 14–21.
CrossRef |

Fuhlendorf, S. D., and Engle, D. M. (2001). Restoring heterogeneity on rangelands: ecosystem management based on evolutionary grazing patterns. Bioscience 51, 625–632.
CrossRef |

Fuhlendorf, S. D., and Engle, D. M. (2004). Application of the fire – grazing interaction to restore a shifting mosaic on tallgrass prairie. Journal of Applied Ecology 41, 604–614.
CrossRef |

Fuhlendorf, S. D., Briske, D. D., and Smeins, F. E. (2001). Herbaceous vegetation change in variable rangeland environments: the relative contribution of grazing and climatic variability. Applied Vegetation Science 4, 177–188.
CrossRef |

Fynn, R. W. S., and O’Connor, T. G. (2000). Effect of stocking rate and rainfall on rangeland dynamics and cattle performance in a semi-arid savanna, South Africa. Journal of Applied Ecology 37, 491–507.
CrossRef |

Gammon, D. M. (1978). A review of experiments comparing systems of grazing management on natural pastures. Proceedings of the Annual Congresses of the Grassland Society of Southern Africa 13, 75–82.
CrossRef |

Ganskopp, D., Cruz, R., and Johnson, D. E. (2000). Least-effort pathways?: a GIS analysis of livestock trails in rugged terrain. Applied Animal Behaviour Science 68, 179–190.
CrossRef | PubMed |

Gillen, R. L., McCollum, F. T., and Brummer, J. E. (1990). Tiller defoliation patterns under short duration grazing in tallgrass prairie. Journal of Range Management 43, 95–99.
CrossRef |

Gillen, R. L., McCollum, F. T., Tate, K. W., and Hodges, M. E. (1998). Tallgrass prairie response to grazing system and stocking rate. Journal of Range Management 51, 139–146.
CrossRef |

Gordon, I. J., Pérez-Barbería, F. J., and Cuartas, P. (2002). The influence of adaptation of rumen microflora on in vitro digestion of different forages by sheep and red deer. Canadian Journal of Zoology 80, 1930–1937.
CrossRef |

Greene, R. S. B., Kinnell, P. I. A., and Wood, J. T. (1994). Role of plant cover and stock trampling on runoff and soil-erosion from semi-arid wooded rangelands. Australian Journal of Soil Research 32, 953–973.
CrossRef |

Greenwood, K. L., and McKenzie, B. M. (2001). Grazing effects on soil physical properties and the consequences for pastures: a review. Australian Journal of Experimental Agriculture 41, 1231–1250.
CrossRef |

Grissom, G., and Steffens, T. (2013). Adaptive grazing management at Rancho Largo Cattle Company. Rangelands 35, 35–44.
CrossRef |

Hacker, R. B., and Tunbridge, S. B. (1991). Grazing management strategies for reseeded rangelands in the East Kimberley region of Western Australia. The Rangeland Journal 13, 14–35.
CrossRef |

Hart, E. (2004). ‘Hefting in Practice – the Ancient Craft of Grazing the Open Hills.’ (Caynham House: Ludlow, Shropshire.)

Hart, R. H., Samuel, M. J., Test, P. S., and Smith, M. A. (1988). Cattle, vegetation, and economic responses to grazing systems and grazing pressure. Journal of Range Management 41, 282–286.
CrossRef |

Hart, R. H., Bissio, J., Samuel, M. J., and Waggoner, J. W. (1993). Grazing systems, pasture size, and cattle grazing behavior, distribution and gains. Journal of Range Management 46, 81–87.
CrossRef |

Heitschmidt, R. K., and Walker, J. W. (1983). Short duration grazing and the Savory grazing method in perspective. Rangelands 5, 147–149.

Heitschmidt, R. K., Frassure, J. R., Price, D. L., and Rittenhouse, L. R. (1982). Short duration grazing at the Texas Experimental Ranch: I. Weight gains of growing heifers. Journal of Range Management 35, 375–379.
CrossRef |

Henning, J., Lacefield, G., Rasnake, M., Burris, R., Johns, J., Johnson, K., and Turner, L. (2000). ‘Rotational grazing.’ University of Kentucky Cooperative Extension Service ID-143. Available at: www.caf.wvu.edu/~Forage/ukpdf/id143.pdf (accessed 24 June 2013).

Herbel, C. H. (1974). A review of research related to development of grazing systems on native ranges of the Western United States. In: ‘Plant Morphogenesis as the Basis for Scientific Management of Range Resources. Proceedings of the Workshop of the United States–Australia Rangelands Panel’. Berkeley, CA, 29 March–5 April 1971. (Coordinators K. W. Kreitlow and R. H. Hart.) pp. 138–149. (US Government Printing Office: Washington, DC.)

Hodder, R. M., and Low, W. A. (1978). Grazing distribution of free-ranging cattle at three sites in the Alice Springs District, Central Australia. Australian Rangeland Journal 1, 98–105.

Hodgson, J., and Illius, A. W. (Eds) (1996). ‘The Ecology and Management of Grazing Systems.’ (CAB International: Wallingford, UK.)

Holechek, J. L. (1988). An approach for setting the stocking rate. Rangelands 10, 10–14.

Holechek, J. L. (1992). Financial benefits of range management practices in the Chihuahuan Desert. Rangelands 14, 279–284.

Holechek, J. L. (2013). Global trends in population, energy use and climate: implications for policy development, rangeland management and rangeland users. The Rangeland Journal 35, 117–129.
CrossRef |

Holechek, J. L., and Thomas, M. G., Galt, D., and Molinar, F. (2000). Conservative and moderate stocking effects on Chihuahuan Desert forage production. Proceedings of the Western Section American Society of Animal Science 51, 257–260.

Holechek, J. L., Pieper, R. D., and Herbel, C. H. (2011). ‘Range Management: Principles and Practices.’ 6th edn. (Pearson Education, Inc.: New Jersey, NJ.)

Hosokawa, Y. (1990). A fencing system based on cattle behavior. Japan Agricultural Research Quarterly 23, 301–309.

Howery, L. D., Provenza, F. D., Banner, R. E., and Scott, C. B. (1998). Social and environmental factors influence cattle distribution on rangeland. Applied Animal Behaviour Science 55, 231–244.
CrossRef |

Howery, L. D., Cibils, A. F., and Anderson, D. M. (2013). Potential for using visual, auditory, and olfactory cues to manage foraging behavior and spatial distribution of rangeland livestock. CAB Reviews 8, 1–10.
CrossRef |

Hunt, L. P., Petty, S., Cowley, R., Fisher, A., Ash, A. J., and MacDonald, N. (2007). Factors affecting the management of cattle grazing distribution in northern Australia: preliminary observations on the effect of paddock size and water points. The Rangeland Journal 29, 169–179.
CrossRef |

Hunt, L. P., Petty, S., Cowley, R., Fisher, A., White, A., MacDonald, N., Pryor, M., Ash, A. J., McCosker, K., McIvor, J. G., and MacLeod, N. D. (2013). ‘Sustainable development of Victoria River District (VRD) grazing lands.’ Final report Project B.NBP.0375. (Meat and Livestock Australia: North Sydney, NSW.)

Hunt, L. P., McIvor, J. G., Grice, A. C., and Bray, S. G. (2014). Principles and guidelines for managing cattle grazing in the grazing lands of northern Australia: stocking rates, pasture resting, prescribed fire, paddock size and water points – a review. The Rangeland Journal 36, 105–120.
CrossRef |

Hunter, R. F. (1962). Hill sheep and their pasture: a study of sheep grazing in south-east Scotland. Journal of Ecology 50, 651–680.
CrossRef |

Hutchings, M. J., John, E. A., and Stewart, A. J. A. (2000). The ecological consequences of environmental heterogeneity. In: ‘The World is Heterogeneous: Ecological Consequences of Living in a Patchy Environment’. (Eds A. J. A. Stewart, E. A. John and M. J. Hutchings.) pp. 1–8. (Blackwell Science Ltd.: Malden, MA.)

Invisible Fence® Brand History (2013). Available at: www.invisiblefence.com/our-company/company-history (accessed 26 July 2013).

Jacobo, E. J., Rodríguez, A. M., Bartoloni, N., and Deregibus, V. A. (2006). Rotational grazing effects on rangeland vegetation at a farm scale. Rangeland Ecology and Management 59, 249–257.
CrossRef |

Jami, E., and Mizrahi, I. (2012). Composition and similarity of bovine rumen microbiota across individual animals. PLoS ONE 7(3), e33306. www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0033306 (accessed 3 June 2014).

Jardine, J. T., and Anderson, M. (1919). ‘Range management on the national forest.’ Bulletin No. 790. (Government Printing Office: Washington, DC.)

Johnson, K. A., and Johnson, D. E. (1995). Methane emissions from cattle. Journal of Animal Science 73, 2483–2492.
| CAS | PubMed |

Jouven, M., Leroy, H., Ickowicz, A., and Lapeyronie, P. (2012). Can virtual fences be used to control grazing sheep? The Rangeland Journal 34, 111–123.
CrossRef |

Jung, H. G., and Allen, M. S. (1995). Characteristics of plant cell walls affecting intake and digestibility of forages by ruminants. Journal of Animal Science 73, 2774–2790.
| CAS | PubMed |

Jung, H. G., Rice, R. W., and Koong, L. J. (1985). Comparison of heifer weight gains and forage quality for continuous and short-duration grazing systems. Journal of Range Management 38, 144–148.
CrossRef |

Kellner, K., and Bosch, O. J. H. (1992). Influence of patch formation in determining the stocking rate for southern African grasslands. Journal of Arid Environments 22, 99–105.

Kondo, S. (2011). Recent progress in the study of behavior and management in grazing cattle. Animal Science Journal 82, 26–35.
CrossRef | PubMed |

Kothmann, M. M. (1980). Evaluation of livestock needs on designing grazing systems for rangeland. In: ‘Digestive Physiology and Nutrition of Ruminants. Vol. 3 – Practical Nutrition’. 2nd edn. (Ed. D. C. Church.) pp. 78–90. (O & B Books, Inc.: Corvallis, OR.)

Launchbaugh, K. L., and Howery, L. D. (2005). Understanding landscape use patterns of livestock as a consequence of foraging behavior. Rangeland Ecology and Management 58, 99–108.
CrossRef |

Lee, C., Prayaga, K. V., Fisher, A. D., and Henshall, J. M. (2008). Behavioral aspects of electronic bull separation and mate allocation in multiple-sire mating paddocks. Journal of Animal Science 86, 1690–1696.
CrossRef | CAS | PubMed |

MacLeod, N. D., Ash, A. J., and McIvor, J. G. (2004). An economic assessment of the impact of grazing land condition on livestock performance in tropical woodlands. The Rangeland Journal 19, 174–189.
CrossRef |

McAllister, T. A., and Newbold, C. J. (2008). Redirecting rumen fermentation to reduce methanogenesis. Australian Journal of Experimental Agriculture 48, 7–13.
CrossRef | CAS |

McCallum, H. D., and McCallum, F. T. (1965). ‘The Wire that Fenced the West.’ (University of Oklahoma Press: Norman, OK.)

McCaughey, W. P., Wittenberg, K., and Corrigan, D. (1997). Methane production by steers on pasture. Canadian Journal of Animal Science 77, 519–524.
CrossRef |

McNaughton, S. J. (1979). Grazing as an optimization process. American Naturalist 113, 691–703.
CrossRef |

McSweeney, C. S., Palmer, B., McNeill, D. M., and Krause, D. O. (2001). Microbial interactions with tannins: nutritional consequences for ruminants. Animal Feed Science and Technology 91, 83–93.
CrossRef | CAS |

Meuret, M., Viaux, C., and Chadoeuf, J. (1994). Land heterogeneity stimulates intake rate during grazing trips. Annales de Zootechnie 43, 296.
CrossRef |

Minson, D. J. (1981). Characteristics of the nutritionally ideal grazing plant. In: ‘Forage Evaluation: Concepts and Techniques’. (Eds J. L. Wheeler and R. D. Mochrie.) pp. 543–551. (Griffin Press: Netley, S. Aust.)

Mohammed, R., Stevenson, D. M., Weimer, P. J., Penner, G. B., and Beauchemin, G. B. (2012). Individual animal variability in ruminal bacterial communities and ruminal acidosis in primiparous Holstein cows during the periparturient period. Journal of Dairy Science 95, 6716–6730.
CrossRef | CAS | PubMed |

Monod, M. O., Faure, P., Moiroux, L., and Rameau, P. (2009). Stakeless fencing for mountain pastures. Journal of Farm Management 13, 697–704.

Moorefield, J. G., and Hopkins, H. H. (1951). Grazing habits of cattle in a mixed-prairie pasture. Journal of Range Management 4, 151–157.
CrossRef |

Moseley, J. E., Coppock, C. E., and Lake, G. B. (1976). Abrupt changes in forage-concentrate ratios of complete feeds fed ad libitum to dairy cows. Journal of Dairy Science 59, 1471–1483.
CrossRef |

Mott, J. J., Ludlow, M. M., Richards, J. H., and Parsons, A. D. (1992). Effects of moisture supply in the dry season and subsequent defoliation of persistence of the savanna grass Themeda triandra, Heteropogon contortus and Panicum maximum. Australian Journal of Agricultural Research 43, 241–260.
CrossRef |

Myoung, B., Choi, Y.-S., Hong, S., and Park, S. K. (2013). Inter-and intra-annual variability of vegetation in the Northern Hemisphere and its association with precursory meteorological factors. Global Biogeochemical Cycles 27, 31–42.
CrossRef | CAS |

Norton, B. E., Barnes, M., and Teague, R. (2013). Grazing management can improve livestock distribution. Rangelands 35, 45–51.
CrossRef |

O’Reagain, P. J., and Scanlan, J. C. (2013). Sustainable management for rangelands in a variable climate: evidence and insights from northern Australia. Animal 7, 68–78.
CrossRef | PubMed |

O’Reagain, P. J., Bushell, J., and Holloway, C. (2008). ‘Testing and developing grazing principles and management guidelines for the seasonably variable tropical savannas.’ Final Report Project B.NBP.0379. (Meat and Livestock Australia: North Sydney, NSW.)

O’Reagain, P. J., Bushell, J., and Holmes, B. (2011). Managing for rainfall variability: long-term profitability of different grazing strategies in a northern Australian tropical savanna. Animal Production Science 51, 210–224.
CrossRef |

Oates, L. G., Undersander, D. J., Gratton, C., Bell, M. M., and Jackson, R. D. (2011). Management-intensive rotational grazing enhances forage production and quality of sub-humid cool-season pastures. Crop Science 51, 892–901.
CrossRef |

Orr, D. M., and O’Reagain, P. J. (2011). Managing for rainfall variability: impacts of grazing strategies on perennial grass dynamics in a dry tropical savanna. The Rangeland Journal 33, 209–220.
CrossRef |

Ortega-S., J. A., Lukefahr, S. D., and Bryant, F. C. (2013). Optimum stocking rate, monitoring and flexibility. Rangelands 35, 22–27.
CrossRef |

Osborne, L. (2012). Toward a commercial virtual fencing device. In: ‘Proceedings of the 3rd Australian and New Zealand Spatially Enabled Livestock Management Symposium’. (Ed. K. Betteridge.) p. 21. (Lincoln University: Lincoln, New Zealand.)

Osuji, P. O. (1974). The physiology of eating and the energy expenditure of ruminant at pasture. Journal of Range Management 27, 437–443.
CrossRef |

Owensby, C. E., and Auen, L. M. (2013). Comparison of season-long grazing applied annually and a 2-year rotation of intensive early stocking plus late-season grazing and season-long grazing. Rangeland Ecology and Management 66, 700–705.
CrossRef |

Parsons, A. J., Newman, J. A., Penning, P. D., Harvey, A., and Orr, R. J. (1994). Diet preference of sheep: effects of recent diet, physiological state and species abundance. Journal of Animal Ecology 63, 465–478.
CrossRef |

Peters, D. P. C., and Gibbens, R. P. (2006). Plant communities in the Jornada Basin: the dynamic landscape. In: ‘Structure and function of a Chihuahuan Desert ecosystem: the Jornada Basin Long-term Ecological Research Site’. (Eds K. M. Havstad, L. F. Huenneke and W. H. Schlesinger.) pp. 211–231. (Oxford University Press: New York.)

Peterson, D., Brownlee, M., and Kelley, T. (2013). Stocking density affects diet selection. Rangelands 35, 62–66.
CrossRef |

Pieper, R. D., and Heitschmidt, R. K. (1988). Is short-duration grazing the answer? Journal of Soil and Water Conservation 43, 133–137.

Pinchak, W. E., Smith, M. A., Hart, R. H., and Waggoner, J. W. (1991). Beef cattle distribution patterns on foothill range. Journal of Range Management 44, 267–275.
CrossRef |

Pitta, D. W., Pinchak, W. E., Dowd, S. E., Osterstock, J., Gontcharova, V., Youn, E., Dorton, K., Yoon, I., Min, B. R., Fulford, J. D., Wickersham, T. A., and Malinowski, D. P. (2010). Rumen bacterial diversity dynamics associated with changing from bermudagrass hay to grazed winter wheat diets. Microbial Ecology 59, 511–522.
CrossRef | PubMed |

Pitts, J. S., and Bryant, F. C. (1987). Steer and vegetation response to short duration and continuous grazing. Journal of Range Management 40, 386–389.
CrossRef |

Platts, W. S., and Wagstaff, F. J. (1984). Fencing to control livestock grazing on riparian habitats along streams: is it a viable alternative? North American Journal of Fisheries Management 4, 266–272.
CrossRef |

Provenza, F. D., Villalba, J. J., Haskell, J., MacAdam, J. W., Griggs, T. C., and Wiedmeier, R. D. (2007). The value to herbivores of plant physical and chemical diversity in time and space. Crop Science 47, 382–398.
CrossRef |

Provenza, F., Pringle, H., Revell, D., Bray, N., Hines, C., Teague, R., Steffens, T., and Barnes, M. (2013). Complex creative systems principles, processes and practices of transformation. Rangelands 35, 6–13.
CrossRef |

Pulido, R. G., and Leaver, J. D. (2003). Continuous and rotational grazing of dairy cows- the interactions of grazing systems with level of milk yield, sward height and concentrate level. Grass and Forage Science 58, 265–275.
CrossRef |

Ralphs, M. H., Kothmann, A. M., and Merrill, L. B. (1986). Cattle and sheep diets under short-duration grazing. Journal of Range Management 39, 217–223.
CrossRef |

Ralphs, M. H., Jensen, D. J., Pfister, J. A., Nielsen, D. B., and James, L. F. (1994). Storms influence cattle to graze larkspur: an observation. Journal of Range Management 47, 275–278.
CrossRef |

Reid, R. S., Galvin, K. A., and Kruska, R. S. (2008). Global significance of extensive grazing lands and pastoral societies: an introduction. In: ‘Fragmentation in Semi-arid and Arid Landscapes – Consequences for Human and Natural Systems’. (Eds K. A. Galvin, R. S. Reid, R. H. Behnke Jr., and N. T. Hobbs.) pp. 1–24. (Springer: Dordrecht, the Netherlands.)

Reid, R. S., Bedelian, C., Said, M. Y., Kruska, R. L., Mauricio, R. M., Castel, V., Olson, J., and Thornton, P. K. (2010). Global livestock impacts on biodiversity. In: ‘Livestock in a Changing Landscape: Drivers, Consequences, and Responses. Vol. 1’. (Eds H. Steinfeld, H. A. Mooney, F. Schneider and L. E. Neville.) pp. 111–137. (Island Press: Washington, DC.)

Rhodes, B. J., and Marlow, C. B. (1997). Intensive range riding for improving livestock distribution. In: ‘Abstracts, Society for Range Management Annual Meeting’. 16–21 February 1997, Rapid City, SD, Denver, CO. pp. 38–39. (Society for Range Management: Littleton, CO.)

Ricci, P., Umstätter, C., Holland, J. P., and Waterhouse, A. (2014). Does diverse grazing behavior of suckler cows have an impact on predicted methane emissions? Journal of Animal Science 92, 1239–1249.
CrossRef | CAS | PubMed |

Riewe, M. E. (1981). The economics of grazing. In: ‘Forage Evaluation: Concepts and Techniques’. (Eds J. L. Wheeler and R. D. Mochrie.) pp. 517–526. (Griffin Press: Netley, S. Aust.)

Ripple, W. J., Smith, P., Haberl, H., Montzka, S. A., McAlpine, C., and Boucher, D. H. (2014). Ruminants, climate change and climate policy. Nature Climate Change 4, 2–5.
CrossRef | CAS |

Robbins, C. T. (1983). ‘Wildlife Feeding and Nutrition.’ (Academic Press Inc.: New York)

Rook, A. J., and Tallowin, J. R. B. (2003). Grazing and pasture management for biodiversity benefit. Animal Research 52, 181–189.
CrossRef |

Ruiz-Mirazo, J., Bishop-Hurley, G. J., and Swain, D. L. (2011). Automated animal control: can discontinuous monitoring and aversive stimulation modify cattle grazing behavior? Rangeland Ecology and Management 64, 240–248.
CrossRef |

Sampson, A. W. (1951). A symposium on rotation grazing in North America. Journal of Range Management 4, 19–24.
CrossRef |

Samson, F. B., Knopf, F. L., and Ostlie, W. R. (2004). Great Plains ecosystems: past, present, and future. Wildlife Society Bulletin 32, 6–15.
CrossRef |

Šárová, R., Špinka, M., Panamá, J. L. A., and Šimečk, P. (2010). Graded leadership by dominant animals in a herd of female beef cattle on pasture. Animal Behaviour 79, 1037–1045.
CrossRef |

Savory, A. (1978). A holistic approach to ranch management using short duration grazing. In: ‘Proceedings of the 1st International Rangelands Congress’. (Ed. D. N. Hyder.) pp. 555–557. (Society for Range Management: Denver, CO.)

Savory, A. (1983). The Savory grazing method or holistic resource management. Rangelands 5, 155–159.

Savory, A. (1988). ‘Holistic Resource Management.’ (Island Press: Covalo, CA.)

Savory, A., and Parsons, S. D. (1980). The Savory grazing method. Rangelands 2, 234–237.

Schultz, B. W. (2010). A review of nest trampling by livestock and the implications for nesting birds on shrub-grass rangelands in the western states. In: ‘Proceedings of Fourth National Conference on Grazing Lands. Grazing Lands Conservation Initiative and Society for Range Management, 13–16 December 2009’. pp. 540–550. (Society for Range Management: Sparks, NV.)

Scott, D. (2006). Consideration of paddock shape and access in sub-division fencing. Available at: www.grassland.org.nz/publications/nzgrassland_publication_399.pdf (accessed 10 August 2013).

Senft, R. (1983). The redistribution of nitrogen by cattle. PhD Dissertation, Colorado State University, Fort Collins, Colorado, USA.

Senft, R. L., Rittenhouse, L. R., and Woodmansee, R. G. (1985). Factors influencing patterns of cattle grazing on short grass steppe. Journal of Range Management 38, 82–87.
CrossRef |

Sevi, A., Muscio, A., Dantone, D., Iascone, V., and D’Emilio, F. (2001). Paddock shape effects on grazing behavior and efficiency in sheep. Journal of Range Management 54, 122–125.
CrossRef |

Skovlin, J. M. (1957). Range riding – the key to range management. Journal of Range Management 10, 269–271.
CrossRef |

Smith, J. G. (1896). Forage conditions of the prairie region. In ‘U.S. Department of Agriculture 1895 Yearbook of Agriculture’. pp. 309–324. (USDA: Washington, DC.)

Smith, B. (1998). ‘Moving ‘em – A Guide to Low Stress Animal Handling.’ (The Grazers Hui: Kamuela, HI.)

Soder, K. J., Rook, A. J., Sanderson, M. A., and Goslee, S. C. (2007). Interaction of plant species diversity on grazing behavior and performance of livestock grazing temperate region pastures. Crop Science 47, 416–425.
CrossRef |

Stafford Smith, M. (1988). ‘Modeling: Three Approaches to Predicting How Herbivore Impact is Distributed in Rangelands.’ (New Mexico Agricultural Experiment Station: Las Cruces, NM.)

Stahlheber, K. A., and D’Antonio, C. M. (2013). Using livestock to manage plant composition: a meta-analysis of grazing in California Mediterranean grasslands. Biological Conservation 157, 300–308.
CrossRef |

Steffens, T., Grissom, G., Barnes, M., Provenza, F., and Roath, R. (2013). Adaptive grazing management for recovery. Rangelands 35, 28–34.
CrossRef |

Steinfeld, H. P., Wassenaar, G. T., Castel, V., Rosales, M., and de Haan, C. (2006) ‘Livestock’s Long Shadow.’ (Food and Agricultural Organization (FAO): Rome, Italy.)

Tainton, N. M. (1981). ‘Veld and Pasture Management in South Africa.’ (Shuter and Shooter: Pietermaritzburg, South Africa.)

Tainton, N. M. (1985). Recent trends in grazing management philosophy in South Africa. Journal of the Grassland Society of Southern Africa 2, 4–6.
CrossRef |

Tajima, K., Aminov, R. I., Nagamine, T., Matsui, H., Nakamura, M., and Benno, Y. (2001). Diet-dependent shifts in the bacterial population of the rumen revealed with real-time PCR. Applied and Environmental Microbiology 67, 2766–2774.
CrossRef | CAS | PubMed |

Tanaka, J. A., Rimbey, N. R., Torell, L. A., Taylor, D. T., Bailey, D., DelCurto, T., Walburger, K., and Welling, B. (2007). Grazing distribution: the quest for the silver bullet. Rangelands 29, 38–46.
CrossRef |

Tanner, C. B., and Mamaril, C. P. (1959). Pasture soil compaction by animal traffic. Agronomy Journal 51, 329–331.
CrossRef |

Teague, R. (2014). Rangelands 36, 37–38.
CrossRef |

Teague, W. R., Dowhower, S. L., and Waggoner, J. A. (2004). Drought and grazing patch dynamics under different grazing management. Journal of Arid Environments 58, 97–117.
CrossRef |

Teague, R., Provenza, F., Kreuter, U., Steffens, T., and Barnes, M. (2013). Multi-paddock grazing on rangelands: why the perceptual dichotomy between research results and rancher experience? Journal of Environmental Management 128, 699–717.
CrossRef | PubMed |

Tiedemann, A. R., Quigley, T. M., White, L. D., Lauritzen, W. A., Thomas, J. M., and McInnis, M. L. (1999). ‘Electronic (fenceless) Control of Livestock.’ U. S. Department of Agriculture, Forest Service, Pacific Northwest Research Station PNW-RP-510. (USDA Forest Service, Pacific Northwest Research Station: Portland, OR.)

Turner, M. D., Hiernaux, P., and Schlecht, E. (2005). The distribution of grazing pressure in relation to vegetation resources in semi-arid West Africa: the role of herding. Ecosystems 8, 668–681.
CrossRef |

Twilley, N., and Manaugh, G. (2013). The land of the free: how virtual fences will transform rural America, The Atlantic. Available at: www.theatlantic.com/technology/archive/2013/02/the-land-of-the-free-how-virtual-fences- will-transform-rural-america/272957/ (accessed 15 July 2013).

Umstätter, C. (2011). The evolution of virtual fences: a review. Computers and Electronics in Agriculture 75, 10–22.
CrossRef |

Umstätter, C., Brocklehurst, S., Ross, D. W., and Haskell, M. J. (2013). Can the location of cattle be managed using broadcast audio cues? Applied Animal Behavior Science 147, 34–42.

Undersander, D., Albert, B., Cosgrpve, D., Johnson, D., and Peterson, P. (2002). Pastures for profit: a guide to rotational grazing. University of Wisconsin Extension Publication A3529, Madison, WI, USA. Available at: http://learningstore.uwex.edu/assets/pdfs/A3529.pdf (accessed 10 July 2013).

Van Der Heyden, F., and Stock, W. D. (1996). Regrowth of a semi-arid shrub following simulated browsing: the role of reserve carbon. Functional Ecology 10, 647–653.
CrossRef |

Van Poollen, H. W., and Lacey, J. R. (1979). Herbage response to grazing systems and stocking intensities. Journal of Range Management 32, 250–253.
CrossRef |

Varga, G. A., and Kolver, E. S. (1997). Microbial and animal limitations to fiber digestion and utilization. The Journal of Nutrition 127, 819S–823S.
| CAS | PubMed |

Voisin, A. (1959). ‘Grass Productivity.’ (Island Press: Covelo, CA.)

Volesky, J. D. (1990). Frontal grazing: forage harvesting of the future? Rangelands 12, 177–181.

Volesky, J. D. (1994). Tiller defoliation patterns under frontal, continuous, and rotation grazing. Journal of Range Management 47, 215–219.
CrossRef |

Volesky, J. D., De Achaval O’Farrell, F., Ellis, W. C., Kothmann, M. M., Horn, F. P., Phillips, W. A., and Coleman, S. W. (1994). A comparison of frontal, continuous, and rotation grazing systems. Journal of Range Management 47, 210–214.
CrossRef |

Walburger, K. J., Wells, M., Vavra, M., DelCurto, T., Johnson, B., and Cow, P. (2009). Influence of cow age on grazing distribution in a mixed-conifer forest. Rangeland Ecology and Management 62, 290–296.
CrossRef |

Walker, J. W., and Heitschmidt, R. K. (1986). Effects of various grazing systems on type and density of cattle trails. Journal of Range Management 39, 428–431.
CrossRef |

Walker, J. W., Heitschmidt, R. K., DeMoraes, E. A., Kothmann, M. M., and Dowhower, S. L. (1989). Quality and botanical composition of cattle diets under rotational and continuous grazing treatments. Journal of Range Management 42, 239–242.
CrossRef |

Wang, C., Han, G., Wang, S., Zhai, X, Brown, J, Havstad, K. M., Ma, X., Wilkes, A., Zhao, M., Tang, S., Zhou, P., Jiang, Y., Lu, T., Wang, Z., and Li, Z. (2014). Sound management may sequester methane in grazed rangeland ecosystems. Scientific Reports 4, 4444–4449.
CrossRef | PubMed |

Warren, S. D., Nevill, M. B., Blackburn, W. H., and Garza, N. E. (1986a). Soil response to trampling under intensive rotation grazing. Soil Science Society of America Journal 50, 1336–1341.
CrossRef |

Warren, S. D., Thurow, T. L., Blackburn, W. H., and Garza, N. E. (1986b). The influence of livestock trampling under intensive rotation grazing on soil hydrologic characteristics. Journal of Range Management 39, 491–495.
CrossRef |

Warshauer, F. R., and Jacobi, J. D. (1982). Distribution and status of Vicia menziesii Spreng. (Leguminosae): Hawaii’s first officially listed endangered plant species. Biological Conservation 23, 111–126.
CrossRef |

Waxer, C. (2008–09). Digital roundup. Fortune Small Business 18, 64–65.

Weber, K. T., and Horst, S. (2011). Desertification and livestock grazing: the roles of sedentarization, mobility and rest. Pastoralism: Research, Policy and Practice 1. Available at: www.pastoralismjournal.com/content/pdf/2041-7136-1-19.pdf (accessed 10 July 2013).

Williams, R. E. (1954). Modern methods of getting uniform use of ranges. Journal of Range Management 7, 77–81.
CrossRef |

Williams, B. W., and Brown, E. D. (2014). Adaptive management: from more talk to real action. Environmental Management 53, 465–479.
CrossRef |

Willms, W. D., Smoliak, S., and Dormaar, J. F. (1990). Vegetation response to time-controlled grazing on mixed and fescue prairie. Journal of Range Management 43, 513–517.
CrossRef |

Wolfe, S. A., and Nickling, W. G. (1993). The protective role of sparse vegetation in wind erosion. Progress in Physical Geography 17, 50–68.
CrossRef |

Yoshihara, Y., Mizuno, H., Yasue, H., Purevdorj, N.-O., and Ito, T. Y. (2013). Nomadic grazing improves the mineral balance of livestock through the intake of diverse plant species. Animal Feed Science and Technology 184, 80–85.
CrossRef | CAS |


   
 


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