Riparian Restoration


YEAR 3 - 2011 - Newton and Bluff Creek

Contiguous stands of reed canary grass (Phalaris arundinaceae) along Newton Creek have created a monoculture that suppresses the establishment of native riparian vegetation and limits biodiversity and wildlife habitat. The scope of the work is to begin the process of controlling this invasive plant and establishing permanent stands of native vegetation to restore ecological integrity to these riparian wetlands. The goal of this plan is to maximize bank stabilization and stream shading while enhancing water quality, flood water storage and bird and wildlife habitats. The contractor must work with the ½ dozen private landowners in securing access, adhering to their safety and environmental protocols, attend any required training, and communicate activities in a timely manner. 

Targeted Areas

1) 5 acres on Newton Creek: Enbridge, BP Dome Petroleum, Murphy Oil, City of Superior,Douglas County.

2) 2 acres on Bluff Creek: Western Wisconsin Land Trust Land 

I) Controlling Invasive Plants 

Short term: The contractor will be allowed to implement the treatment(s) that will most effectively control each invasive species. The contractor is required to submit plans of treatment based on land ownership (i.e. herbicides are not allowed to be used on Douglas County lands), site conditions, stream dynamics or other environmental situations that influence treatment and effectiveness. Due to the proximity of Newton Creek,the chemical Rodeo will be used when targeted vegetation is within 10ft of the stream, Round-up will be used in areas upland of this area. 

Long term: Plant vegetation that suppresses non-native species and eventually shades out ecologically low value vegetation. Native coniferous trees, associated shrubs and willows, wet meadow and native seed mixes to eliminate bare areas are all acceptable. The contractor also agrees to work with private landowners to secure funding beyond the first year of this effort. 

II) Erosion Control 

At no time will bare patches of soil be allowed that may be washed away during a subsequent storm event. Silt fencing, erosion matting and a temporary seeding may be required. Prior to the end of the first growing season a permanent seeding of wet grasses, forbs should occur between the tree and shrubs. All woody plants will be provided by Douglas County, except the willow stakes. 

III) Trees/Shrubs/Willow Plantings 

Due to the large, but narrow areas for planting, spacing between trees and shrubs should vary between 10' - 20' centers.  Approximately, the contractor should plan on 1,000 woody plants for each acre restored. Upon planting each tree a small amount of compost should be added, each hole should be tamped down, then lightly mulched. Trees should be watered within the first week, but no other watering is required.

All woody plant materials will be supplied by Douglas County. In addition, the contractor should plan on 2(two) -50 yard willow bank stabilization demonstration areas, one for Newton Creek and one on Bluff Creek. Contractor must provide willow stakes.