Methods

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Section 2: Conceptual Framework and Research Plan

1. Population Dynamics
1. a. Plant Dynamics and Ecosystem Interactions
     1. a. i. Monitoring
            Population Dynamics of Blue Gramma: LT 1 and LT 49
            Plant Phenology: LT 2
        1. a. ii. Effects of Natural Disturbances on Plant Communities
            Long-term sampling of recovery from small-scale disturbances: LT 27
            Blue grama removal experiment: LT 57
            Recovery from white grub disturbances: LT 30
        1. a. iii. Effects of Human-Induced Disturbances on Plant Communities
            Long-term evaluation of grazing effects on primary producers: LT 31
            Long- and short-term effects of grazing: an interdisciplinary study: LT 32, 33, 34, 35, 36, 37, 38, 39, 40, 41
1. b. Faunal Dynamics and Ecosystem Interactions
1. b. i. Monitoring faunal populations
            Long-term population monitoring: LT 4, 5, 6, 7, 8, 10, 53
            Prairie dog dynamics: LT 61, LT 62 (a trial ArcIMS map, must return via history, browser back button will not 
                properly function) and  ST 35
            Effects of prairie dogs on plant dynamics: LT 60 and ST36
        1. b. ii. Effects of prairie dogs on SGS ecosystem structure and functioning
            Changes in belowground food allocation and food web stability: New LT

2. Biogeochemical Dynamics
2. a. Monitoring
     Long-term sampling of aboveground NPP: LT 11, LT 12, LT 13
        Warming, wetting, and N additions: LT 14
2. b. Effects of Human Disturbances on Biogeochemical Dynamics
     Long-term studies of nutrient enrichment: LT 42 and New LT
        Long-term 15N studies in the SGS: LT 18 and LT 19
        Long-term recovery following cultivation and cropland abandonment: LT 43, 44, 45, 46
        Short- and long-term responses of the SGS to fire: LT 59
        Balancing the N budget: LT 51

3. Land-Atmosphere Interactions
3. a. Monitoring
     Microclimate: LT 22 and LT 23
        Lysimeter: LT 24
        Precipitation gauge network: LT 25
        Soil water measurements: LT 26
3. b. Disturbances and Land-Atmosphere Interactions
Grazing effects on H2O, energy, and CO2: LT 55

        Changes in plant communities due to CO2 enhancement: LT 20

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