Of all structures reported (n=5 responses), 60% were intended to improve nursery habitat, 60% for use as fish attractors to increase angler catch and harvest, 40% to improve spawning habitat, and 20% for use as adult habitat/sanctuary.  The only structures included in this category are breakwaters.

Breakwaters
Breakwaters were constructed mainly of tires or wood, but riprap was also reported.

Click here for map of states that used this method.

Main reasons used:
       - erosion control
       - availability of materials
       - low cost
       - promote aquatic plant growth

Reported advantages:

Structures seem to increase water quality and growth of aquatic plants.

Reported disadvantages:

none reported

Recommendations:

none reported

Mean reported time to create/place one structure/unit:

no responses received

Mean reported life of structure/unit:

no responses received

Degree of Satisfaction:
   **average ratings on a scale of 1 - 5 with 1 being very satisfied and 5 being very dissatisfied.
       - fish production/spawning habitat  1.5 (n=2)
       - fish attractor to increase angler catch and harvest  3.0 (n=3)
       - recruitment  3.0 (n=3)

back to Main