Supplement 1. Data for real-world examples, and source code for the multispatialCCM R package.

File List e001_arssnlvl0.csv (MD5: 75f21b9949b87c018f3499b5d2a093e7) e001_arssnlvl3.csv (MD5: 02cefd1cdb16fc25968f4e7d96a43378) e026_aslit.csv (MD5: eea09f91f81dc7e5801d8f67ccded5c1) e054_arssprecip.csv (MD5: 1d62c9ab92a6a1fc4caa53787d2c0cf1) e120_bmins.csv (MD5: e8699cfd2d2c9a11d43abd572b6f3cd8) e120_invnit1_2.csv (MD5: 6c023c438eb4c6e2625f526fafd9c17d) e120_invnit4_8.csv (MD5: a304786a833b5c6e53063472b97ef93d) e120_invnit16.csv (MD5: bda824cec8f8fdc2992c8732e03aa109) e120_nitbm.csv (MD5: 212637b7ab08d0cc2146f26602061b64) find_number_of_observations.R (MD5: a6a097d6633ee66b9c3531676320b929) multispatialCCM.zip (MD5: 64647cc7d14d2df5398a76af9ec73e2a) Description e001_arssnlvl0.csv is a comma-separated text file containing the data for Agroypron (Elymus) repens and Schizachyrium scoparium dynamics in unfertilized plots for experiment 001 at Cedar Creek. Column definitions are: 1."index": concatenated text including the plot, field, and year sampled 2. "Exp": Cedar Creek experiment number 3. "Year": year data was sampled 4. "Field": ID for field that was sampled 5. "Plot": plot number for sample 6. "Ntrt": categorical fertilization treatment 7. "Nadd": g nitrogen added per square meter per year for each treatment 8. "NitrAdd": g nitrate added per square meter per year for each treatment 9. "Natm.Nadd": g nitrogen added per square meter per year for each treatment, including 1 g/m2/year atmospheric deposition 10. "fg": plant functional group: C3/C4 for grasses with C3/C4 photosynthetic pathway, F for non-legume forb, L for legume. 11. "isspecies": Binary indicator describing whether or not a row had plant species found in it that year (should be 1 for all rows) 12. "richness": Species richness for all species found in the sample 13. "Agropyron repens": g dry aboveground biomass per meter square of A. repens 14. "Schizachyrium scoparium": g dry aboveground biomass per meter square of S. scoparium 15. "Miscellaneous litter": g dry aboveground biomass per meter square of leaf litter 16. "Ncat": Fertilization intensity category, with 1 being the lowest and 3 being the highest 17. "FieldPlot": concatenated text including the field and plot e001_arssnlvl3.csv is a comma-separated text file containing the data for Agroypron (Elymus) repens and Schizachyrium scoparium dynamics in heavily plots for experiment 001 at Cedar Creek. Column definitions are as described for e001_arssnlvl0.csv. e026_aslit.csv is a comma-separated text file containing the data for Agrostic scabra and leaf litter dynamics in plots with varying soil fertility in experiment 026 at Cedar Creek. Column definitions are: 1. "monoculture": plant species grown in subplot (should always be A. scabra) 2. "litbiomass": g dry aboveground biomass per meter square of leaf litter 3. "year": year of sampling 4. "plot": plot sampled (soil N treatments vary among plots) 5. "subplot": subplot sampled 6. "abvbiomass": g dry aboveground biomass per meter square of A. scabra 7. "totaln": total soil nitrogen (in percent of soil by mass) 8. "exp": Cedar Creek experiment number 9. "yearest": year in which the experiment was established 10. "nlevel": categorical level for total soil nitrogen treatment 11. "plotsubplot": concatenated text including the plot and subplot 12. "Field": ID for field that was sampled 13. "FieldPlot": concatenated text including the field and plot e054_arssprecip.csv is a comma-separated text file containing the data for A. repens, S. scoparium, leaf litter, and precipitation dynamics for experiment 054 at Cedar Creek. Column definitions are: 1. "index": concatenated text including the year, field, plot, transect sampled 2. "Exp": experiment number 3. "Year": year of sample 4. "OldField": old field ID 5. "Plot": plot number for sample 6. "Transect": transect ID 7. "YearAb": Year that the field was abandoned from agricultural use 8. "Agropyron repens": g dry aboveground biomass per meter square of A. repens 9. "Schizachyrium scoparium": g dry aboveground biomass per meter square of S. scoparium 10: "Miscellaneous litter": g dry aboveground biomass per meter square of leaf litter 11: "precipmm": total summer annual precipitation (June-August) in mm 12: "FieldPlot": concatenated text including the field and plot e120_bmins.csv is a comma-separated text file describing plant biomass and insect dynamics for Cedar Creek experiment 120. Column definitions are: 1. "Exp": Cedar Creek experiment number 2. "Year": sampling year 3. "Month": sampling month 4. "Plot": plot sampled 5. "NumSp": number of species in treatment 6. "SpNum": number of species maintained in plot 7. "AbvBioAnnProd": g plant aboveground biomass harvested per square meter per year 8. "noh020tot": mg soil nitrate per kg soil, sampled in top 20 cm of soil 9. "insectcount": number of insect individuals in sweep net sample 10. "insectsp": number of insect species in sweep net sample 11. "Field": field ID 12. "FieldPlot": concatenated text including the field and plot e120_invnit1_2.csv is a comma-separated text file describing invading plant species dynamics and soil nitrate dynamics in monoculture plots for experiment 120 at Cedar Creek. Column definitions are as described for e120_bmins.csv, except for: 9. “invrichness”: number of non-planted “invading” plant species e120_invnit4_8.csv is a comma-separated text file describing invading plant species dynamics and soil nitrate dynamics in 4 and 8 species mixture plots for experiment 120 at Cedar Creek. Column definitions are as described for e120_invnit1_2.csv. e120_invnit16.csv is a comma-separated text file describing invading plant species dynamics and soil nitrate dynamics in 16 species mixture plots for experiment 120 at Cedar Creek. Column definitions are as described for e120_invnit1_2.csv. e120_nitbm.csv is a comma-separated text file describing soil nitrate and aboveground plant biomass dynamics. Column definitions are as described for e120_bmins.csv. find_number_of_observations.R is an R source code file that can be used to determine the number of sequential observations in subplots for all of the data sets listed above. The data should be in the working directory of R when the R code is run. multispatialCCM.zip...