Monitoring of restored vegetation in the wolf lake wetlands
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Monitoring of Restored Vegetation in the Wolf Lake Wetlands. Rachel Shmagranoff. Wolf Lake Background. 804 ha (450 acres) Once part of Lake Michigan, but then 19 th century industrialization and roads disconnected it Maximum depth of 5.5 m (18 feet) Habitat for many species including

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Wolf lake background
Wolf Lake Background

  • 804 ha (450 acres)

  • Once part of Lake Michigan, but then 19thcentury industrialization and roads disconnected it

  • Maximum depth of 5.5 m (18 feet)

  • Habitat for many species including

    • Franklin ground squirrel (Spermophilustridecemlineatus)

    • Lake sturgeon (Acipenserfulvescens)

    • Black-crowned night heron (Nycticoraxnycticorax)


Restoration
Restoration

  • Controls exotic species, creates new environments and diversity

  • Dredging in pool #9 to be caught by filtering wetland strips so it doesn’t contaminate pool #8

Pool #9

Pool #8


Field site
Field Site

  • The area surveyed consisted of:

  • Main shoreline stretching 370 linear meters

  • 13 islands


Timeline
Timeline

Plot set up and analysis of main shoreline

Invertebrate sampling

Water sampling and algae analysis

Island plot set up and surveying

Shoreline and island clean up

Bird Nest survey

May 15-May 30

June 6-June 15

June 18-July 6

July 2 –July 30

July 31-August 10

June 27


Survey technique for main shore
Survey Technique for Main shore

  • Plot setup:

  • Marker pole placed every 20 meters

    • Made 36 shoreline plots

  • 1x1meter plot set at every pole

  • Point-contact method conducted

  • Species identified and tallied


Surveying the islands
Surveying the Islands

  • Shore line

    • 1x1meter plots every 20 meters

  • Water line

    • 1x1meter plots every 20 meters

  • Upland

    • 1x1meter plots every 10 meters





Invasive vegetation problem
Invasive Vegetation Problem

  • Phragmites frequency

    • Total plots/ total touches: 590/92 = 6.41

  • Purple Loosestrife frequency

    • 648/103= 6.29

  • Cattail frequency

    • 254/25= 10.16


Area clean up
Area Clean Up

garbage

wire

Metal spikes

Ropecord

Plastic mesh

Restoration remnants


Bird nest survey
Bird Nest Survey

  • Birds Nests Found

  • 10 Canadian geese

  • 8 Red winged black birds

  • 4 sandpipers

  • 3 mallards

  • 3 Killdeer

  • 1 Mute Swan

Sandpiper nest

Mallard nest

Red winged black bird nest

Red winged black bird nest


Invertebrates
Invertebrates

  • Top species caught

    • 183 ephemeroptera (mayfly)

    • 175 amphipoda (shrimp)

    • 103 gastropoda (snails)

    • 39 hirudinea (leech)

    • 10 other species tallying 56


Water and algae sampling
Water and Algae Sampling

Algae

Water

Dissolved oxygen

Manganous Sulfate and Alkaline Iodide-Azidereagents

Titration usingPhenylarsine Oxide

Conductivity

pH

  • 25 buckets of water poured through filter

  • Algae trapped in container at bottom

  • Algae identification and volume to be assessed at a later date



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