Appendix A. Supporting material including a detailed description of methods; one table summarizing relevant variables used to calculate metabolism and nutrient uptake; and five figures showing location of Ivishak Spring; ER and GPP vs. day of the year; summary of daily PAR, air temperature, and water temperature; GPP, ER, NEP vs. water temperature; and seasonal patterns of organic matter biomass and DOC concentration.

Supporting material including a detailed description of methods; one table summarizing relevant variables used to calculate metabolism and nutrient uptake; and five figures showing location of Ivishak Spring; ER and GPP vs. day of the year; summary of daily PAR, air temperature, and water temperature; GPP, ER, NEP vs. water temperature; and seasonal patterns of organic matter biomass and DOC concentration.