Typically 100 quadrants are taken at each location.
Substrate analysis, water depth and water velocity at the sediment-water interface is measured for each quadrat.
Click here to get an explanation of what constitutes a juvenile mussel.
![Interstate Grid](http://danhornbach.org/wp-content/uploads/2022/10/interstate-grid.jpg)
![Scuba Grid](http://danhornbach.org/wp-content/uploads/2022/10/scuba-grid.jpg)
![Sieving Sediment](http://danhornbach.org/wp-content/uploads/2022/10/sieving.jpg)
![Measuring Mussels](http://danhornbach.org/wp-content/uploads/2022/10/measuring.jpg)
![Weighing Sediment](http://danhornbach.org/wp-content/uploads/2022/10/weighing.jpg)
![Mussels on Sieve](http://danhornbach.org/wp-content/uploads/2022/10/musselsonsieve.jpg)
![Sampling Methodology](http://danhornbach.org/wp-content/uploads/2022/10/samplingmethodology.jpg)
Typically 100 quadrants are taken at each location.
Substrate analysis, water depth and water velocity at the sediment-water interface is measured for each quadrat.
Click here to get an explanation of what constitutes a juvenile mussel.