by ntdadminoar | Mar 11, 2020
Sampling Freshwater Invertebrates For over 25 years, OART has been undertaking biological monitoring on the waterways of the catchment. Using freshwater invertebrates as a means to understanding river health is an important part of our monitoring programme. From...
by ntdadminoar | Mar 11, 2020
Understanding Your Rivers OART have extensive experience of conducting sub-catchment walkover surveys to gather a wide range of information with over 200km of rivers walked to date. These surveys enable us to understand where improvements could be made but also where...
by ntdadminoar | Mar 11, 2020
Working with Natural Processes Concrete barriers and other “hard” defences, such as embankments, protecting homes from flood water are a common sight along rivers all over the country. However, they cost millions of pounds to build, often require expensive...
by ntdadminoar | Mar 11, 2020
Creating Connected Catchments Many of our freshwater species like to move within the river system and some, like the Sea Trout, migrate from the sea to the catchment head-streams to find spawning areas, returning to the the site of their birth to spawn a new...
by ntdadminoar | Mar 10, 2020
If You Build It…… What do we mean by habitat enhancements? Our rivers are occupied by numerous different species of fish and invertebrates and they require a variety of “features” in the channel suitable for their various life stages. Some fish need gravel...
