Original Ten Year Management Plan

construction map of Sanctuary Lincoln Park Bird Sanctuary
Ten-Year Management Plan


Management goals:

  • Enhancement of existing natural communities: forest, marsh, and wooded pond ecosystems
  • Removal of invasive alien plant species
  • Replacement of select non-native plants with native species
  • Increasing biodiversity of site by introducing appropriate native plant and animal species
  • Enhancement of habitat to provide food and shelter for migratory birds
  • Long-term monitoring of habitat

Management activities:

Volunteer stewardship will be administered by the Lake View Citizens Council, in cooperation with the landowner, the Chicago Park District. Large group workdays will occur periodically, but generally no more than approximately five times per year. Their timing will be dictated by the type of work being done, with the goal of minimizing disturbance during periods of heavy use by birds during migration.

While garlic mustard removal must occur during spring migration, within 5 years this can be controlled to the point that only one small group workday is necessary for continued control of this exotic.

Buckthorn and other exotic shrubs and saplings will be removed during the late fall and winter, when damage to the habitat and disturbance of birds is minimal. No removal of large trees is contemplated, rather exotic tree saplings will be removed, so that as existing exotics die off, they will be replaced by native species. Primarily, this consideration applies to Black Locust, which is the main exotic element that has a tendency toward invasiveness. However, it is recommended that the existing White Mulberries that occur along the north fence line (primarily outside of the fence) be removed, because of their invasive potential. Planting of some Red Mulberries outside of the Sanctuary is recommended.

Thinning of a few weedy species of native tree saplings is also recommended, such as Box Elder and Green Ash. Silver Maple also needs to be monitored so that it doesn’t become a problem, as it has invasive tendencies.

European Highbush Cranberry is the dominant shrub in the Sanctuary now. Rather than attempting large scale replacement, a program of removal of small saplings, and replacement with native shrubs, particularly the viburnums Nannyberry, Black Haw, and Downy Arrow-wood, would be instituted. When these native shrubs become larger, then removal of larger European Highbush Cranberries would take place. This probably would only be completed at the end of the ten year period, if then.

Trash and debris removal would occur during normal workdays. No additional workdays specifically for that purpose would be required.

Studies of the replacement of the fence and expansion of the Sanctuary would be undertaken by the LVCC. If expansion of the Sanctuary along the south side does occur, then this management plan and these schedules would be changed to reflect the necessary work required in that particular area.

Short-term priorities:

Years 1 - 2

  • Remove Garlic Mustard
  • Remove Purple Loosestrife
  • Remove European Buckthorn
  • Remove Burdock
  • Thin Green Ash and European Highbush Cranberry saplings, particularly along the east side
  • Spread seeds of those native ephemerals presently occurring there, but only present in very small quantities. Introduce small numbers of appropriate additional plants as available.
  • Identify possible introductions of flora and fauna
  • Test water quality and soil, and set up groundwater monitoring station, particularly to study the effects of salt and volatile organic compounds
  • Monitor insect populations and birds, and set up plant monitoring system
  • Introduce amphibians if possible

Middle-term priorities:

Years 3 - 6

  • Continue removal of Garlic Mustard, Purple Loosestrife, European Buckthorn, and Burdock as necessary
  • Continue thinning of shrubs and saplings as necessary
  • Introduce appropriate native plants, shrubs, vines and trees, with choices being weighted in favor of those species that provide, directly or indirectly, food and shelter for birds
  • Continue monitoring of flora, fauna, and water. Additional soil testing as necessary

Long-term priorities:

  • Study replacement of daylilies, yellow iris, and lily of the valley
  • Replace European Highbush Cranberry with native shrubs
  • Replace exotics with functionally equivalent natives, where possible and practical
  • Continue monitoring of flora, fauna, and water.


17 June 1999

Terry Schilling

 

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