The more knowledge you have about the waters that you manage will help with the effective management of the site. The natural history of your waters gives you a good insight into the health and productivity of the fishery.
 
Being able to identify the plants and animals associated with the water is not only useful for management but is rewarding on a personal level. The range and depth of life surrounding freshwaters is staggering.
 
Specifications
Material: Steel
Diameter: 20cm
String: 7 strand paracord (10m)