03-26-2003 Council Agenda - Laserfiche WebLink

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Aquatic Zone Planting: Emergent aquatics. Plant emergent aquatics in the drier part of their range — avoid planting in water greater than 10" deep. If conditions are right, the plants will spread outward into deeper water. Never plant emergent aquatics in water that covers them completely. At least one half of the plant should stick out of the water. Anchor the plants by placing the root ball in small onion sacks with a rock. Plant the root ball in the soil under the water. Wet Meadow and Upland Zone Preparation: Transfer the design. Using stakes /flags, marking paint, or by laying out garden hose, transfer the your design to the shoreline or yard. Eliminate the turf and control invasive species. Use herbicide to treat turf grass and /or control invasive species growing in the area designated for restoration. Herbicides expedite the restoration process. In most cases, the chemical glyphosate will be used (known by the trade name of Roundup or Rodeo, which is the aquatic formulation). Once the final design is marked out, apply herbicides only to turf and invasive plants. Follow label instructions. Take care in spraying — herbicides kill every plant with which they come in contact. Below the OHW or within 10 feet of the water, use only the aquatic formulation of an herbicide, which is considered nontoxic to fish. Allow 10 to 14 days for turf to die (become yellow). If green spots remain, spray again at least 2 days before planting and cut back any weeds. Leave the dead vegetation in place; there is no need to work the soil unless it is severely compacted. Place erosion - control fabric. Cover the planting area in the wet meadow zone, below the OHW, with the erosion control fabric and stake the fabric in place with biodegradable stakes. Use erosion control fabric in areas that will be impacted by wave action and water level changes (six to twelve feet from the water's edge) as well as very steep slopes. Stake every two to three feet. Use only bio- and photo- degradable materials (mesh, fabric, and stakes) such as coconut fiber or degradable nylon blanket. Mulch the planting area. Spread shredded hardwood mulch 2 -3 inches deep in the upland areas where the turf was treated and erosion fabric was not used. (Shredded mulch does not blow or wash out like wood chips do.) Mulch helps prevent soil erosion, controls weeds, retains moisture in the soil, and makes the planted area look neater. To calculate the amount of mulch, in cubic yards, needed for the project, 1 cubic yard of mulch will cover 120 sq. ft at a 3" depth or 160 sq. ft. at a 2" depth. Sub - divide the zones by soil moisture. Use stakes or flags to mark a line between the wet meadow, upland- moist, and upland -dry zones. Wet meadow zone: moist and occasionally saturated soils. Upland —moist zone: moist (but not saturated) soils. Upland -dry zone: dry and well drained soils.