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The 18 LTAR sites

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The 18 LTAR Network sites
Site Name	Site Code	Location	Established	Record (years)	Area (km2)	Network Affiliation	NEON Domain	Major crops, land use, and livestock production	Bibliographies
Archbold-University of Florida	ABS-UF	Venus, FL/Ona, FL	1941	74	102	AmeriFlux, GLEON, NutNet, USCRN	D3 – Southeast	Beef cattle, pasture, rangeland, wildlife	Short Bibliography Long Bibliography
Central Mississippi River Basin	CMRB	Columbia, MO	1971	Up to 44	490	CEAP, SCAN	D6 – Prairie Peninsula	Grain cropping systems, some pasture, riparian forest	Long Bibliography
Central Plains Experimental Range	CPER	Cheyenne, WY; Nunn, CO	1939	76	865	LTER, NEON, GRACEnet, NADP, NutNet, SCAN	D10 – Central Plains	Wheat-fallow, rangeland, beef cattle	Long Bibliography
Eastern Corn Belt	ECB	Columbus, OH	1974	Up to 41	N/A	CEAP, GRACEnet	D7 – Appalachians / Cumberland Plateau	Cropland, swine, dairy poultry	Short Bibliography Long Bibliography
Great Basin	GB	Boise, ID	1961	54	239	CEAP, CZO, NADP, SCAN	D15 – Great Basin	Rangeland, beef cattle, wildlife	Short and Long Bibliographies
Gulf Atlantic Coastal Plain	GACP	Tifton, Georgia; (Little River Experimental Watershed)	1965	47	334	CEAP, NADP, SCAN	D3 – Southeast	Cotton, peanuts, corn, vegetables (~50% irrigated); poultry, beef cattle	Short and Long Bibliographies
Jornada Experimental Range	JER	Las Cruces, NM	1912	100+	780	CEAP, COSMOS, LTER, NEON, NWERN, SCAN, UV-B MRP, USCRN, WNBR	D14 – Desert Southwest	Rangeland, beef cattle, wildlife	Short Bibliography Long Bibliography
Kellogg Biological Station	KBS	Hickory Corners, MI	1987	28	13	LTER, AmeriFlux, NADP, NutNet	D5 – Great Lakes	Row crops, forage crops, bioenergy crops, mixed grasses, prairie, forest, dairy	Short Bibliography Long Bibliography
Lower Chesapeake Bay	LCB	Beltsville, MD	1910	22	2600	CASTnet, CEAP, COSMOS, EOS, NADP, GRACEnet, SCAN, UV-B MRP	D2 – Mid Atlantic	Cropland, poultry, dairy, forages, pasture, horticulture	Short Bibliography Long Bibliography
Lower Mississippi River Basin	LMRB	Oxford, MS	1981	Up to 34	21.3	COSMOS, CEAP, SURFRAD, SCAN	D8 – Ozarks Complex	Cotton, corn, soybeans, rice, catfish, sugar cane	Long Bibliography
Northern Plains	NP	Mandan, ND	1912	100+	9.7	NEON, CEAP, GRACEnet, REAP, SCAN	D9 – Northern Plains	Small grains, row crops, beef cattle on grazing lands	Short and Long Bibliographies
Platte River/High Plains Aquifer	PRHP	Lincoln, NE	1912	100+	16500	AmeriFlux, GRACEnet, REAP, SCAN	D6 – Prairie Peninsula	Cropland, rangeland, beef cattle, biofuels	Short Bibliography Long Bibliography
R.J. Cook Agronomy Farm	CAF	Pullman, WA	1999	15	0.57	7 LTAP, GRACEnet, REAP, NADP, SCAN	D15 – Great Basin	Wheat, barley, pulses (peas, lentils, chickpeas)	Short Bibliography Long Bibliography
Southern Plains	SP	El Reno, OK	1948,1961	54	1,423	CEAP, COSMOS, SCAN	D11 – Southern Plains	Beef cattle, winter wheat, pasture, forages, prairie	Short Bibliography Long Bibliography
Texas Gulf	TG	Temple, TX	1937	76	N/A	CEAP, GRACEnet, NutNet, LTBE, SCAN	D11 – Southern Plains	Cropland, rangeland, pasture, remnant prairie	Long Bibliography
Upper Chesapeake Bay	UCB	University Park, PA	1968	47	1,127	CEAP, GRACEnet, SCAN	D2 – Mid Atlantic	Row crops, dairy, pasture, forest	Short Bibliography
Upper Mississippi River Basin	UMRB	Ames, IA	1992	23	6,200	AmeriFlux, CEAP, GRACEnet, SCAN	D6 – Prairie Peninsula	Corn-soybean with livestock (swine, beef, dairy)	Short and Long Bibliographies
Walnut Gulch Experimental Watershed	WGEW	Tucson,AZ	1953	62	150	Ameriflux, CEAP, COSMOS, EOS, GRACEnet, SCAN	D14 – Desert Southwest	Rangeland, beef cattle, wildlife	Short Bibliography Long Bibliography

ABOUT LTAR

The USDA Agricultural Research Service (ARS) Long-Term Agroecosystem Research network consists of 18 Federal and university agricultural research sites with an average of over 50 years of history. The goal of this research network is to ensure sustained crop and livestock production and ecosystem services from agroecosystems, and to forecast and verify the effects of environmental trends, public policies, and emerging technologies.

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The 18 LTAR Network sites