Chironomid Data

Chironomid data compared with instrumental temperature data over the past two centuries. Percentages of selected chironomid taxa, chironomid detrended correspondence analysis DCA) Axis 1 scores, and transfer function (TF)-inferred temperatures compared with measured summer temperatures at Raufarhöfn (23 km from Stora Viðarvatn) and Stykkishólmur (in estern Iceland). Meteorological data are from Veðurstofa Íslands, http://www.vedur.is. Bold lines over temperature curves are 7-year running means.