Before you can start looking at what animals you have collected, you have to clear as much debris away from your sample as you can. You should follow the methods here if you have a lot of debris (stones, sand, leaves, twigs) in your net after you sample. When you enter your data into the NZ Water Citizens website - https://nzwatercitizens.co.nz/ - you can use the online calculator to calculate a health score.