2021 Ness Mainstem Juvenile Salmon Surveys – Initial Results

Initial results from this year’s River Ness mainstem juvenile salmon surveys are now available. The number of mainstem survey sites has been increased from three to 10. This aims to provide greater resolution and sample a broad range of habitat types. Sampling was carried out using three pass electrofishing without stop nets (river too wide and fast). Location of the 2021 River Ness mainstem electrofishing surveys. The ratio of fry (0+ year old) to parr (1+ year old) densities (minimum estimates) varied from site to site with the given habitat (depth, substrate size, flow, etc), with most more suitable for…

Source: NESS DSFB – 2021 Ness Mainstem Juvenile Salmon Surveys – Initial Results