@article {3116,
	title = {Effects of Drought, Dust, and Intensity of Grazing on Cover and Yeild of Short-Grass Pastures},
	journal = {Ecological Monographs},
	volume = {14},
	year = {1944},
	month = {1944/01},
	pages = {1-29},
	url = {SSU Rural and Regional Studies Department or   http://links.jstor.org/sici?sici=0012-9615\%28194401\%2914\%3A1\%3C1\%3AEODDAI\%3E2.0.CO\%3C2-J},
	author = {F. W. Albertson and Weaver, J. E.}
}
@article {3113,
	title = {Ecology of Drought Cycles and Grazing Intensity on Grasslands of Central Great Plains},
	journal = {Ecological Monographs},
	volume = {27},
	year = {1957},
	month = {1957/01},
	pages = {27-44},
	url = {SSU Rual and Regional Studies Department or   http://links.jstor.org/sici?sici=0012-9615\%28195701\%2927\%3A1\%3C27\%3AEODCAG\%3E2.0.CO\%3B2-8},
	author = {F. W. Albertson and T. W. Tomanek and Andrew Riegel}
}
@article {3131,
	title = {Effects of Drought, Dust, and Intesity of Grazing on Cover and Yield of Short-Grass Pastures},
	journal = {Ecological Monographs},
	volume = {Vol. 14},
	year = {1944},
	month = {1944},
	pages = {pp. 2-29.},
	author = {F. W. Albertson and Weaver, J. E.}
}
@article {3098,
	title = {Ecology of Drought Cycles and Grazing Intensity on Grasslands of Central Great Plains},
	journal = {Ecological Monographs},
	volume = {Vol. 27},
	year = {1957},
	month = {1957},
	pages = {pp. 27-44.},
	author = {Albertson, F. W. G. W. Tomanek and Andrew Riegel}
}
@article {3106,
	title = {Effects of Grazing on Vegetation and Soils in Southeastern South Dakota},
	journal = {American Midland Naturalist},
	volume = {80},
	year = {1968},
	month = {1968/07},
	pages = {96-110},
	url = {SSU Rural and Regional Studies Department  or   http://links.jstor.org/sici?sici=0003-0031\%28196807\%2980\%3A1\%3C96\%3AEOGOVA\%3E2.0.CO\%3B2-R},
	author = {Beebe, J. D and G. R. Hoffman}
}
@article {3115,
	title = {Does Herbivory Benefit Plants? A Review of the Evidence},
	journal = {American Naturalist},
	volume = {127},
	year = {1986},
	month = {1986/06},
	pages = {870-892},
	url = {SSU Rural and Regional Studies Department or   http://links.jstor.org/sici?sici=0003-0147\%28198606\%29127\%3A6\%3C870\%3ADHBPAR\%3E2.0.CO\%3B2-W},
	author = {Belsky, A. J}
}
@article {3118,
	title = {Grazing Frequency and Ecosystem Processes in a Northern Mixed Prairie, USA},
	journal = {Ecological Applications},
	volume = {6},
	year = {1996},
	month = {1996/02},
	pages = {239-256},
	url = {SSU Rural and Regional Studies Department or  http://links.jstor.org/sici?sici=1051-0761\%28199602\%296\%3A1\%3C239\%3AGFAEPI\%3E2.0.CO\%3B2-C},
	author = {Biondini, Mario E. and Llewellyen Manske}
}
@article {3094,
	title = {Vegetation of Exclosures in Southwestern North Dakota},
	journal = {Journal of Range Management},
	volume = {39},
	year = {1986},
	note = {Language: English},
	month = {1986/09},
	pages = {434-437},
	url = {SSU Rural and Regional Studies Department},
	author = {Brand, Michael D. and Harold Goetz}
}
@article {3130,
	title = {Herbage Dynamics of Tallgrass prairie under Short Duration Grazing},
	journal = {Journal of Range Management},
	volume = {Vol. 41},
	year = {1988},
	month = {1988},
	pages = {pp. 264-266.},
	author = {Brummer, J. E. R. L. Gillen and F. T. McCollum}
}
@article {3129,
	title = {Effects of Grazing Management on Standing Crop Dynamics in Tallgrass Prairie},
	journal = {Jounal of Range Management},
	volume = {Vol. 48},
	year = {1995},
	month = {1995},
	pages = {pp. 81-84.},
	author = {Cassels, Debra and et al}
}
@article {3120,
	title = {Recovery of Vegetation in a Semiarid Grassland 53 Years after Disturbance},
	journal = {Ecological Applications},
	volume = {6},
	year = {1996},
	month = {1996/05},
	pages = {538-555},
	url = {SSU Rural and Regional Studies Department   or   http://links.jstor.sici?sici=1051-0761\%28199605\%296\%3A2\%3C538\%3AROVIAS\%3E2.0.CO\%3B2-V},
	author = {Coffin, Debra P. William K. Lauenroth and Ingrid C. Burke}
}
@article {3107,
	title = {Spatial Variability in Seed Production of the Perennial Bunchgrass Bouteloua gracilis (Gramineae)},
	journal = {American Journal of Botany},
	volume = {79},
	year = {1992},
	month = {1992/03},
	pages = {347-353},
	url = {SSU Rural and Regional Studies Department   or   http://links.jstor.org/sici?sici=0002-9122\%28199203\%2979\%3A3\%3C347\%3ASVISPO\%3E2.0.CO\%3B2-4},
	author = {Coffin, Debra P. and William K. Lauenroth}
}
@article {3100,
	title = {Interaction of Distrubances in Tallgrass Prairie: A Field Experiement},
	journal = {Ecology},
	volume = {68},
	year = {1987},
	month = {1987/10},
	pages = {1243-1250},
	url = {SSU Rural and Regional Studies Department   or   http://links.jstor.org/sici?sici=0012-9658\%28198710\%2968\%3A5\%3C1243\%3AIODITP\%3E2.0.CO\%3B2-1},
	author = {Collins, Scott L.}
}
@article {3103,
	title = {Floristic Composition of Grazed and Ungrazed Prairie Vegation in North-Cental Missouri},
	journal = {Ecology},
	volume = {28},
	year = {1947},
	month = {1947/01},
	pages = {26-41},
	url = {SSU Rural and Regional Studies Department   or    http://links.jstor.org/sici?sici=0012-9658\%28194701\%2928\%3A1\%3C26\%3AFCOGAU\%3E2.0.CO\%3B2-3},
	author = {Drew, William B.}
}
@article {3114,
	title = {Influence of Grazing on Plant Succession of Rangelands},
	journal = {The Botanical Review},
	volume = {26},
	year = {1960},
	month = {1960/03},
	pages = {1-78},
	url = {SSU Rural and Regional Studies Department},
	author = {Ellison, Lincoln}
}
@article {3132,
	title = {Grazing the Grasslands: Exploring Conflicts, Relationships and Futures},
	journal = {Prairie Forum},
	volume = {Vol. 26},
	year = {2001},
	month = {2001},
	pages = {pp. 67-85.},
	author = {Evans, Simon}
}
@article {3121,
	title = {Ecological Costs of Livestock Grazing in Western North America},
	journal = {Conservation Biology},
	volume = {8},
	year = {1994},
	month = {1994/09},
	pages = {629-644},
	url = {SSU Rural and Regional Studies Department   or   http://links.jstor.sici?sici=0888-8892\%28199409\%298\%3A3\%3C629\%3AECOLGI\%3E2.0.CO\%3B2-N},
	author = {Fleischner, Thomas L.}
}
@article {3109,
	title = {Intermediate-Distrubance Hypothesis},
	journal = {Science},
	volume = {204},
	year = {1970},
	month = {1970/06/22},
	pages = {1344-1345},
	url = {SSU Rurual and Regional Studies Department},
	author = {Fox, John F and J. H. Connel}
}
@book {3143,
	title = {Grasses and Grassland Ecology},
	year = {2009},
	month = {2009.},
	publisher = {Oxford University Press},
	organization = {Oxford University Press},
	author = {Gibson, David J.}
}
@book {3141,
	title = {The Ecology of Browsing and Grazing},
	year = {2008},
	month = {2008.},
	publisher = {Springer},
	organization = {Springer},
	author = {Gordon, Iain J. and Herbert H. T. Prins}
}
@article {3136,
	title = {Grazing and Military Vehicle Effects on Grassland Soils and Vegetation},
	journal = {Great Plains Research},
	volume = {Vol. 16},
	year = {2006},
	month = {2006},
	pages = {pp. 51-61.},
	author = {Guretzkey, John A Alan Anderson and Jeffrey Fehmi}
}
@article {3097,
	title = {Blacktail Prarie Dogs, Desert Cottontails and Cattle Trophic Relations on Shortgrass Range},
	journal = {Journal of Range Management},
	volume = {30},
	year = {1977},
	month = {1977/05},
	pages = {210-214},
	url = {SSU Rural and Regional Studies Department},
	author = {Hansen, Richard M. and Ilyse K. Gold}
}
@book {3144,
	title = {Rangeland Ecology and Management},
	year = {1999},
	month = {1999.},
	publisher = {Westview Press},
	organization = {Westview Press},
	author = {Heady, Harold F. and R. Dennis Child}
}
@article {3122,
	title = {Response of True Prairie Vegetation on Major Flint Hills Range Sites to Grazing Treatment},
	journal = {Ecological Monographs},
	volume = {29},
	year = {1959},
	month = {1959/04},
	pages = {171-186},
	url = {SSU Rural and Regional Studies Department   or   http://links.jstor.sici?sici=0012-9615\%28195904\%2929\%3A2\%3C171\%3AROTPVO\%3E2.0.CO\%3B2-7},
	author = {Herbel, Carlton H. and Kling L. Anderson}
}
@article {3112,
	title = {Some Interrelaitons of Sagebrush, Soils, and Grazing Intensity in the Northern Great Plains},
	journal = {Ecology},
	volume = {42},
	year = {1961},
	month = {1961/01},
	pages = {31-38},
	url = {SSU Rural and Regional Studies Department or   http://links.jstor.org/sici?sici=0012-9658\%28196101\%2942\%3A1\%3C31\%3ASIOSSA\%3E2.0.CO\%3B2-X},
	author = {Houston, Walter R.}
}
@article {3128,
	title = {controlled Pasture Burning in the Folklife of the Kansas Flint Hills},
	journal = {Great Plains Quarterly},
	volume = {Vol. 9},
	year = {1989},
	month = {1989},
	pages = {pp. 231-238.},
	author = {Hoy, James}
}
@article {3110,
	title = {A General Hypothesis of Species Diversity},
	journal = {American Naturalist},
	volume = {113},
	year = {1979},
	month = {1979/01},
	pages = {81-101},
	url = {SSU Rural and Regional Studies Department  or   http://links.jstor.org/sici?sici=0003-0147\%28197901\%29113\%3A1\%3C81\%3AAGHOSD\%3E2.0.CO\%3B2-9},
	author = {Huston, Michael}
}
@article {3123,
	title = {Grazing History, Defoliation, and Competition: Effects on Shortgrass Production and Nitrogen Accumulation},
	journal = {Ecology},
	volume = {69},
	year = {1988},
	month = {1988/10},
	pages = {1599-1608},
	url = {SSU Rural and Regional Studies Department   or   http://links.jstor.sici?sici=0012-9658\%28198810\%2969\%3A5\%3C1599\%3AGHDACE\%3E2.0.CO\%3B2-X},
	author = {Jaramillo, Victor J. and James K. Detling}
}
@article {3133,
	title = {{\textquoteright}The Settler{\textquoteright}s Grand Difficulty{\textquoteright}: Haying in the Economy of the Red River Settlement},
	journal = {Prairie Forum},
	volume = {Vol. 9},
	year = {1984},
	note = {Language: 1-12.},
	month = {1984},
	pages = {pp.},
	author = {Kaye, Barry}
}
@book {3142,
	title = {Ecology and Conservation of Great Plains Vertebrates},
	year = {1997},
	month = {1997.},
	publisher = {Springer},
	organization = {Springer},
	author = {Knopf, Fritz L. and Fred Samson}
}
@article {3102,
	title = {Grazing Effects on Composition of Virgin Prairie in North-Central Missouri},
	journal = {Ecology},
	volume = {37},
	year = {1956},
	month = {1956/04},
	pages = {389-391},
	url = {SSU Rural and Regional Studies Department   or    http://links.jstor.org/sici?sici=0012-9658\%28195604\%2937\%3A2\%3C389\%3AGEOCOV\%3E2.0.CO\%3B2-L},
	author = {Kucera, C. L.}
}
@article {3101,
	title = {The Role of the Bison in Maintaining the Short Grass Plains},
	volume = {21},
	year = {1940},
	month = {1940/04},
	pages = {113-121},
	url = {SSU Rural and Regional Studies Department   or   http://links.jstor.org/sici?sici=0012-9658\%28194004\%2921\%3A2\%3C113\%3ATROTBI\%3E2.0.CO\%3B2-R},
	author = {Larson, Floyd}
}
@book {3145,
	title = {Ecology of the Shortgrass Steppe: A Long-term Perspective},
	year = {2008},
	month = {2008.},
	publisher = {Oxford University Press},
	organization = {Oxford University Press},
	author = {William K. Lauenroth and I. C. Burke}
}
@article {3139,
	title = {Economic Impact of Leafy Spurge on Grazingland and Wildland in North Dakota},
	journal = {Great Plains Research},
	volume = {Vol. 3},
	year = {1993},
	month = {1993},
	pages = {pp. 21-37.},
	author = {Leistritz, F. Larry and et al}
}
@book {3140,
	title = {Grassland ecophysiolgoy and grazing ecology},
	year = {2000},
	month = {2000.},
	publisher = {CABI},
	organization = {CABI},
	author = {Lemaire, Gilles and et al}
}
@article {3096,
	title = {Increasing the Rate of Cattle Dung Decomposition by Nitrogen Fertilization},
	journal = {Journal of Range Management},
	volume = {34},
	year = {1982},
	month = {1982/03},
	pages = {249-250},
	url = {SSU Rural and Regional Studies Department},
	author = {Lussenhop, John and D. T. Wicklow Rabinder Kumar and J. E. Lloyd}
}
@article {3087,
	title = {Evolution in steppe with few large, hooved mammals},
	journal = {Am. Nat.},
	volume = {119},
	year = {1982},
	note = {Language: English},
	month = {1982},
	pages = {157-773},
	url = {SSU Rural and Regional Studies Department or   http://links.jstor.org/sici?sici=0003-0147\%28198206\%2911\%3A6\%3C757\%3AEISWFL\%3E2.0.CO\%3B2-8},
	author = {Mack, R. N. and J. N. Thompson}
}
@article {3093,
	title = {Quantitative effects of grazing on vegetation and soils over a global range of environments. by D.G. Milchunas and W.K. Lauenroth},
	journal = {Ecological Monographs},
	volume = {63},
	year = {1993},
	month = {1993/11},
	pages = {327(40)},
	author = {Milchunas, D. G.}
}
@article {3119,
	title = {The Effects of Disturbance Size and Frequency on a Shortgrass Plant Community},
	journal = {Ecology},
	volume = {69},
	year = {1988},
	month = {1988/10},
	pages = {1609-1617},
	url = {SSU Rural and Regional Studies Department   or   http://links.jstor.sici?sici=0012-9658\%28198810\%2969\%3A5\%3C1609\%3ATEODSA\%3E2.0.CO\%3B2-V},
	author = {Coffin D. P. and W. K. Lauenroth}
}
@article {3135,
	title = {Saskatchewan{\textquoteright}s Prairie Plant Assemblages: A Hierarchical Approach},
	journal = {Prairie Forum},
	volume = {Vol. 23},
	year = {1998},
	month = {1998},
	pages = {pp. 31-48.},
	author = {Radenbaugh, Todd}
}
@article {3134,
	title = {Vegetation of the Canadian Plains},
	journal = {Prairie Forum},
	volume = {Vol. 9},
	year = {1984},
	month = {1984},
	pages = {pp. 231-248.},
	author = {Rowe, J. Stan and Robert T. Coupland}
}
@article {3124,
	title = {Primary Production of the Central Grassland Region of the United States},
	journal = {Ecology},
	volume = {69},
	year = {1988},
	month = {1988/02},
	pages = {40-45},
	url = {SSU Rural and Regional Studies Department   or   http://links.jstor.sici?sici=0012-9658\%28198802\%2969\%3A1\%3C40\%3APPOTCG\%3E2.0.CO\%3B2-8},
	author = {Sala, O. E. W. J. Parton L. A. Joyce W. K. Lauenroth}
}
@article {3104,
	title = {Biogeochemisty of C, N, and P in a Soil Catena of the Shortgrass Steppe},
	journal = {Ecology},
	volume = {66},
	year = {1985},
	month = {1985/02},
	pages = {276-282},
	url = {SSU Rural and Regional Studies Department   or   http://links.jstor.org/sici?sici=0012-9658\%28198502\%2966\%3A1\%3C276\%3ABOCNAP\%3E2.0.CO\%3B2-D},
	author = {Schimel, D. and M. A. Stillwell R. G. Woodmansee}
}
@article {3089,
	title = {The Natural Vegitation of the Great Plains},
	journal = {Ann. Assoc. American Geographers},
	volume = {13},
	year = {1923},
	month = {1923},
	pages = {81-107},
	author = {Shantz, H. L}
}
@article {3111,
	title = {The Structure and Function of Ten Western North American Grasslands: III. Net Primary Production, Turnover and Efficiencies of Energy Capture and Water Use},
	journal = {Journal of Ecology},
	volume = {66},
	year = {1978},
	month = {1978/07},
	pages = {573-579},
	url = {SSU Rural and Regional Studies Department  or   http://links.jstor.org/sici?sici=0022-0477\%28197807\%2966\%3A2\%3C573\%3ATSAFOT\%3E2.0.CO\%3B2-J},
	author = {Phillip L. Sims and J. S. Singh}
}
@article {3108,
	title = {Coevolution of Grasses and Herbivores},
	journal = {Annals of the Missouri Botanical Garden},
	volume = {68},
	year = {1981},
	month = {1981},
	pages = {75-86},
	url = {SSU Rural and Regional Studies Department or    http://links.jsrot.org/sici?sici=0026-6493\%281981\%2968\%3A1\%3C75\%3ACOGAH\%3E2.0.CO\%3B2-V},
	author = {Stebbins, G. Ledyard}
}
@article {3105,
	title = {Variations in Cover, composition, Production, and Roots of Vegetation on Two Prairies in Western Kansas},
	journal = {Ecological Monographs},
	volume = {27},
	year = {1957},
	month = {1957/07},
	pages = {267-281},
	url = {SSU Rural and Regional Studies Department   or    http://links.jstor.org/sici?sici=0012-9615\%28195707\%2927\%3A3\%3C267\%3AVICCPA\%3E2.0.CO\%3B2-8},
	author = {Tomanek, G. W. and F. W. Albertson}
}
@article {3095,
	title = {Some Effects of Different Intensities of Grazing on Mixed Prairies near Hays, Kansas},
	journal = {Journal of Range Management},
	volume = {6},
	year = {193},
	month = {193},
	pages = {299-306},
	url = {Rural and Regional Studies Department},
	author = {Tomanek, G. W. and F. W. Albertson}
}
@article {3137,
	title = {Migrations of Grassland Communities and Grazing Philosophies in the Great Plains: A Review and Implications for Management},
	journal = {Great Plains Research},
	volume = {Vol. 13},
	year = {2003},
	month = {2003},
	pages = {pp. 3-26.},
	author = {Truett, Joe}
}
@article {3099,
	title = {Influence of Grazing on Crude Protein Content of Blue Grama},
	journal = {Journal of Range Management},
	volume = {28},
	year = {1975},
	month = {1975/09},
	pages = {370-371},
	url = {SSU Rural and Regional Studies Department},
	author = {Uresk, D. W. and Phillip L. Sims}
}
@article {3138,
	title = {Prairie Grasslands: An Undervalued Resource: Grass, Cows and the Environmental Management of the Canadian Prairies},
	journal = {Great Plains Research},
	volume = {Vol. 9},
	year = {1999},
	month = {1999},
	pages = {pp. 371-395.},
	author = {Vaisey, Jill S. and Peggy Strankman}
}
@article {3125,
	title = {Interactive Effects of Fire, Bison (Bison bison) Grazing and Plant Community Composition in Tallgrass Prairie},
	journal = {American Midland Naturalist},
	volume = {129},
	year = {1993},
	month = {1993/01},
	pages = {10-18},
	url = {SSU Rural and Regional Studies Department   or   http://links.jstor.sici?sici=0003-0031\%28199301\%29129\%3A1\%3C10\%3AIEOFB\%28\%3E2.0.CO\%3B2-4},
	author = {Vinton, Mary Ann David C. Hartnett Elmer J. Finck John M. Briggs}
}
@book {3092,
	title = {Grasslands of the Great Plains},
	year = {1956},
	month = {1956},
	publisher = {Johnsen Publishing Co},
	organization = {Johnsen Publishing Co},
	address = {Lincoln, NE},
	author = {Weaver, J. E. and F. W. Albertson}
}
@article {3126,
	title = {Prairies and Pastures of the Dissected Loess Plains of Central Nebraska},
	journal = {Ecological Monographs},
	volume = {18},
	year = {1948},
	month = {1948/10},
	pages = {507-549},
	url = {SSU Rural and Regional Studies Department   or   http://links.jstor.sici?sici=0012-9615\%28194810\%2918\%3A4\%3C507\%3APAPOTD\%3E2.0.CO\%3B2-A},
	author = {Weaver, J. E. and W. E. Brunner}
}
@article {3127,
	title = {Changes in Vegetation and Production of Forage Resulting from Grazing Lowland Prairie},
	journal = {Ecology},
	volume = {29},
	year = {1948},
	month = {1948/01},
	pages = {1-29},
	url = {SSU Rural and Regional Studies Department   or   http://links.jstor.sici?sici=0012-9658\%28194801\%2929\%3A1\%3C1\%3ACIVAPO\%3E2.0.C)\%3B2-\%23},
	author = {Weaver, J. E. and R. W. Darland}
}
@book {3090,
	title = {Plant Ecology},
	year = {1938},
	month = {1938},
	publisher = {McGraw-Hill Book Co. Inc.},
	organization = {McGraw-Hill Book Co. Inc.},
	address = {New York},
	url = {QK 901.W4 1938},
	author = {Weaver, J. E. and F. E. Clemts}
}
@book {3091,
	title = {North American Prarie},
	year = {1954},
	month = {1954},
	publisher = {Johnsen Publishing Co.},
	organization = {Johnsen Publishing Co.},
	address = {Lincoln, NE},
	author = {Weaver, J. E.}
}
@book {3088,
	title = {The Great Plains},
	year = {1931},
	month = {1931},
	publisher = {Ginn and Co.},
	organization = {Ginn and Co.},
	address = {Boston},
	url = {F591.W4},
	author = {Webb, W. P.}
}
@article {3117,
	title = {Settlement, Livestock Grazing and Environmental Change in Southeast Montana, 1860-1990},
	journal = {Environmental History Review},
	volume = {Vol. 15},
	year = {1991},
	month = {1991},
	pages = {pp. 45-71.},
	author = {Wyckoff, William and Katherine Hansen}
}