habitat plan full document

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MEMO______________________________________________ To: Rochester City Beautiful Commission From: Nina Ig naczak, o n behalf of Frien ds of Howlett Park Date: 12/1/2011 Re: Howlett Pond Habitat Assessment and Recommendations Overview At the request of Friends of Howlett Park, the City of Rochester contracted with Streamside Ecological Services/HRM to conduct a habitat assessment of Howlett Pond and to make recommendations on steps the City can make to manage habitat in the pond for the benefit of wildlife. The final report was received on September 28, 2011 Key Findings o A total of twenty-five animal (mammals, birds, insects and fish), twenty-eight plant, and five herpetofauna species were observed within and adjacent to the pond o Based on the July 12, 2011 field assessments, the contractors found that while the pond and surrounding areas support a variety of flora and fauna, poor water quality and lack of in pond habitat significantly limits animal use and the presence of submergent vegetation. The following recommendations are provided to help improve water quality and increase diversity of aquatic organisms. Summary of Recommendations Low-Cost/Short-Term 1. Installation of woody structures to serve as basking si tes for a mphibians and habitat for fish a nd aquatic insects 2. Maintain existing vegetative buffer surrounding the pond 3. Avoid mowing adjacent to natural area edge in early morning and at all times in late May/early June MId-Cost/Medium-Term 4. Control of invasive and non-native plant species- Autumn oliv e, Canada t histle, Common buckthorn, Glossy buckthorn, Multiflora Rose, reed canary grass 5. Control Canada Geese (establish/maintain buffer zones, limit the amount of mowed areas, and employ harassment/removal techniques) 6. Convert lawn to prairie (priority: north and west sides of Howlett Pond) 7. Construct additional nesting structures for turtles 8. Install nature walk with interpretive signage High Cost/Long-Term 9. Increase r ooted submergent vegetation (first sedimentation must be addressed) 10. Installation of first flush basins, holding and storing within vegetated areas or basins, and/or redirection of stormwater to vegetated areas at eastern and northwestern inlets and surface drainage from church 11. Remove/dredge sediment from p ond 12. Aerate pond (mechanical, or via planting or rooted submergent vegetation, or through moving water through shaded/vegetated areas and over rock 13. Manage subsidized predators (raccoons, etc.)

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