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“Carbon dynamics within agricultural and native sites in the Loess region of Western Iowa”
7: 545-555.
2001.
2001.
“Response of individual Bouteloua gracilis (Gramineae) plants and tillers to small disturbance”
145: 147-158.
2001.
“Plant effects on nitrogen retention in short grass steppe 2 years after 15N addition.”
128: 422-430.
2001.
“Does grazing affect regional climate.”
2: 243-253.
2001.
2001.
“Local and regional-scale responses of ant diversity to a semiarid biome transition”
24 (4): 381-392.
2001.
2001.
“Effective size and genetic structure of a piute ground squirrel population(Spermophilus mollis).”
79: 26-34.
2001.
2001.
2001.
“Habitat and season in structuring ground dwelling spider (Araneae) communities in a shortgrass steppe ecosystem.”
29 (6): 1164-1172.
2000.
“Contribution of increasing CO2 and climate to carbon storage by ecosystems in the United States”
287: 2004-2006.
2000.
“Analysis of factors regulating ecosystems development on Mauna Loa using the Century model”
51: 161-191.
2000.
2000.
2000.
“Analysis and synthesis of trace gas fluxes”
14: 995-997.
2000.
2000.
2002.
2002.