River temperatures in the Spey: an analysis of long term trends

Recent years has seen a focus on river temperatures primarily in the context of climate change. Adding to the body of evidence available The James Hutton Institute (JHI) led by Rachel Helliwell (Senior Research Scientist) has recently completed an analysis of river temperature trends in the Spey based on historical angling records from Tulchan Estate. River temperatures have been collected on a daily basis by the estate ghillies with these data recorded in the angling records maintained on the estate. These records extend back over 100 years to 1912. A factsheet on the analysis, including recommendations can be downloaded by…

Source: Spey Fishery Board – River temperatures in the Spey: an analysis of long term trends