This file includes variable descriptions for the dataset that accompanies: Beck, Rugenski, and Poff (2021). Limiting nutrients drive mountain stream ecosystem processes along an elevation gradient. Freshwater Science. Contact: whitneyshannonbeck@gmail.com All data was analyzed in R version 3.5.0 Dataset: “Accrual with Reps.csv” Site = Stream Site (BV = Beaver Creek, EFSC = East Fork Sheep Creek, EK = Elkhorn Creek, KP = Killpecker Creek, LB = Little Beaver Creek, PG = Cache la Poudre River at Pingree Park, SM = Seven Mile Creek, WFSC = West Fork Sheep Creek) Season = S (summer) or F (fall) Elevation = elevation in meters Chla_day = average chlorophyll a daily accrual rate during each experiment (ug/cm^2) Chla_SE = standard error of chlorophyll a accrual during each experiment (ug/cm^2)