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�Vetland Natural Community Descriptions and Managemen# <br />Recommendations <br />Much of the original alterations to the wetland basins occurred when the land was in agricultura] <br />production. Under agricultural land-use there was a rnain ditch that extended from WI thru W2, <br />W4, and into W10. Lateral ditches extended into the main ditch from W3. Wetlands have <br />experienced additional changes during the transition from agriculture to urban development in <br />the last sixty ycars. W 1 has been altered throush the excavation of open water areas and the <br />infestation of pu�-plc loosestrife and reed canary grass. Wetlands �V2, W3, W4, and WS were part <br />of an agricultural draina�e ditch system and have benefited by the return of hydrology to the <br />system. The wetlands on the south tip of Lake Owasso are reiativeIy unchanged. Bennett Lake <br />has changed sib ificantly from a drained wetland to an open water lake. Stormwater and urban <br />runoff has probably influenced this change. <br />Locations of the improvements discussed in the followin� para�raphs are shown in figure 6.4. <br />Community CP-W1 <br />Shallow Marsh/Shrub-Cacr/Shaliow Open Water <br />Qualitative Rank: Low <br />Area: 32.0 acres (38.4 total} <br />This wetland complex contains several different wetla�d cornmunities, including shallow marsh, <br />open water, shrub-carr and wet meadow. The �lifferent wetland communities provide the <br />valuab�e wildlife habitat and aesthetic values that the users of the park enjoy. Dominant <br />vegetation within the wetland complex inclucie: cattail, arrowhead, reed canary grass, bur-reed, <br />red osier dogwood, willow, and duckweed <br />This is a large wetland basin associated with the interpretive center in the park. It has a <br />boardwalk system providing access to most of the wetland and appears to be heavily used by the <br />public. Five areas of duck pond excavations are near the center of the basin. This basin also <br />receives stormwater and znay receive chemica� runoff from roads, houses on east side, and the <br />compost site on the west side. This basin has the most prolific area of purple toosestrife <br />infestation of all thc parks surveyed and is conszdered to have a hiah density of purple <br />loosestrife. <br />Cin� of Rosei•ille 93 <br />Yarks Natural Resource Mmtagen�ettt <br />