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TABLES

Table 1. Proportion of routes where species were present, proportion of route-years where species were present, and correlations between annual population indices and mean annual water levels of the Great Lakes for select marsh bird species surveyed by MMP volunteers between 1995-2000.

Coastal Inland

Species % Rts Present1 % Rte-yrs Present2 r a % Rts Present1 % Rte-yrs Present2 r a

American Bittern 21.6 24.8 0.85 24.8 27.9 0.76Black Tern 29.5 34.9 0.61 25.7 29.1 0.03Common Yellowthroat 77.3 80.3 -0.67 71.7 77.1 -0.30Least Bittern 34.1 40.0 0.72 22.1 27.7 -0.71Marsh Wren 69.3 71.0 0.53 51.3 54.2 -0.67Coot/Moorhen 43.2 47.8 0.60 42.5 46.5 0.24Pied-billed Grebe 33.0 33.7 0.48 37.2 39.1 0.44Sora 50.0 54.0 0.77 44.2 49.2 0.56Virginia Rail 64.8 68.7 0.43 61.1 67.8 0.88a - Pearson's correlation coefficient between population indices and mean annual water levels of the Great Lakes from 1995-20001 - Common denominator for all species is 88 for coastal routes and 113 for inland routes2 - Common denominator for all species is 335 for coastal route-years and 419 for inland route-years

Table 2. Proportion of routes where species were present, proportion of route-years where species were present, and correlations between annual population indices and mean annual water levels of lakes Michigan-Huron for select marsh bird species surveyed by MMP volunteers between 1995-2000.

Coastal Inland

Species % Rts Present1 % Rte-yrs Present2 r a % Rts Present1 % Rte-yrs Present2 r a

American Bittern 23.1 25.8 N/A 35.5 41.9 0.57Black Tern 34.6 41.9 0.52 32.3 40.2 0.25Common Yellowthroat 84.6 90.3 -0.57 77.4 79.5 -0.40Least Bittern 26.9 32.3 0.03 29.0 35.9 -0.83Marsh Wren 65.4 71.0 -0.02 67.7 64.1 -0.82Coot/Moorhen 38.5 43.0 0.68 48.4 50.4 -0.30Pied-billed Grebe 50.0 54.8 0.26 41.9 44.4 0.44Sora 69.2 76.3 0.42 51.6 57.3 0.70Virginia Rail 69.2 75.3 0.53 58.1 66.7 0.34a - Pearson's correlation coefficient between population indices and mean annual water levels of Lake Huron-Michigan from 1995-20001 - Common denominator for all species is 26 for coastal routes and 31 for inland routes2 - Common denominator for all species is 93 for coastal route-years and 117 for inland route-years

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Table 3. Proportion of routes where species were present, proportion of route-years where species were present, and correlations between annual population indices and mean annual water levels of Lake Erie for select marsh bird species surveyed by MMP volunteers between 1995-2000.

Coastal Inland

Species % Rts Present1 % Rte-yrs Present2 r a % Rts Present1 % Rte-yrs Present2 r a

American Bittern 26.7 32.8 N/A 13.2 12.8 N/ABlack Tern 36.7 43.1 0.78 13.2 12.2 N/ACommon Yellowthroat 90.0 87.9 -0.57 69.8 77.0 -0.09Least Bittern 53.3 60.3 0.80 5.7 6.6 N/AMarsh Wren 86.7 85.3 0.70 30.2 33.2 0.09Coot/Moorhen 56.7 56.9 0.53 28.3 29.6 -0.14Pied-billed Grebe 40.0 38.8 0.51 28.3 26.5 N/ASora 46.7 46.6 0.90 34.0 34.7 0.11Virginia Rail 70.0 73.3 0.15 50.9 57.1 0.44a - Pearson's correlation coefficient between population indices and mean annual water levels of Lake Erie from 1995-20001 - Common denominator for all species is 30 for coastal routes and 53 for inland routes2 - Common denominator for all species is 116 for coastal route-years and 196 for inland route-years

Table 4. Proportion of routes where species were present, proportion of route-years where species were present, and correlations between annual population indices and mean annual water levels of Lake Ontario for select marsh bird species surveyed by MMP volunteers between 1995-2000.

Coastal Inland

Species % Rts Present1 % Rte-yrs Present2 r a % Rts Present1 % Rte-yrs Present2 r a

American Bittern 11.5 11.7 N/A 35.7 41.3 0.77Black Tern 23.1 27.2 N/A 42.9 49 -0.85Common Yellowthroat 50.0 58.3 -0.53 67.9 74 0.04Least Bittern 19.2 27.0 N/A 46.4 58.7 -0.53Marsh Wren 65.4 66.0 0.84 78.6 83.7 -0.02Coot/Moorhen 38.5 48.5 0.28 64.3 75 0.29Pied-billed Grebe 11.5 13.6 N/A 50.0 57.7 -0.11Sora 30.8 38.8 N/A 57.1 68.3 0.16Virginia Rail 61.5 68.0 0.54 85.7 90.4 0.53a - Pearson's correlation coefficient between population indices and mean annual water levels of Lake Ontario from 1995-20001 - Common denominator for all species is 26 for coastal routes and 28 for inland routes2 - Common denominator for all species is 103 for coastal route-years and 104 for inland route-years

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Table 5. Proportion of routes where species were present, proportion of route-years where species were present, and correlations between annual population indices and mean annual water levels of the Great Lakes for marsh calling amphibians surveyed by MMP volunteers between 1995-2000.

Coastal Inland

Species % Rts Present1 % Rte-yrs Present2 r a % Rts Present1 % Rte-yrs Present2 r a

bullfrog 51.1 53.2 0.62 62.0 62.8 0.44green frog 85.2 86.3 0.75 96.7 98.0 0.20leopard frog 68.2 72.5 0.40 70.7 72.4 0.91American toad 88.6 90.1 -0.01 85.9 87.5 0.64chorus frog 52.3 55.3 0.69 66.3 66.8 0.28wood frog 44.3 47.5 0.00 59.8 61.2 0.29spring peeper 79.5 82.0 0.35 95.7 96.1 0.53grey treefrog 50.0 53.2 0.32 84.8 84.9 0.62a - Pearson's correlation coefficient between population indices and mean annual water levels of the Great Lakes from 1995-20001 - Common denominator for all species is 88 for coastal routes and 92 for inland routes2 - Common denominator for all species is 284 for coastal route-years and 304 for inland route-years

Table 6. Proportion of routes where species were present, proportion of route-years where species were present, and correlations between annual population indices and mean annual water levels of Lake Michigan-Huron for marsh calling amphibians surveyed by MMP volunteers between 1995-2000.

Coastal Inland

Species % Rts Present1 % Rte-yrs Present2 r a % Rts Present1 % Rte-yrs Present2 r a

bullfrog 36.7 37.9 -0.42 42.9 41.8 -0.8green frog 96.7 98.1 0.69 96.4 97.8 0.52leopard frog 46.7 52.4 0.46 64.3 67.0 0.73American toad 93.3 94.2 0.38 89.3 91.2 0.64chorus frog 76.7 75.7 0.73 78.6 81.3 0.39wood frog 60.0 60.2 -0.44 82.1 82.4 -0.15spring peeper 86.7 86.4 0.82 100.0 100.0 0.28grey treefrog 80.0 81.6 0.00 96.4 97.8 0.22a - Pearson's correlation coefficient between population indices and mean annual water levels of Lake Michigan-Huron from 1995-20001 - Common denominator for all species is 30 for coastal routes and 28 for inland routes2 - Common denominator for all species is 103 for coastal route-years and 91 for inland route-years

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Table 7. Proportion of routes where species were present, proportion of route-years where species were present, and correlations between annual population indices and mean annual water levels of Lake Erie for marsh calling amphibians surveyed by MMP volunteers between 1995-2000.

Coastal Inland

Species % Rts Present1 % Rte-yrs Present2 r a % Rts Present1 % Rte-yrs Present2 r a

bullfrog 88.0 92.3 0.83 60.9 63.5 0.14green frog 100.0 100.0 0.60 97.8 98.7 -0.30leopard frog 92.0 92.3 0.64 65.2 67.3 0.82American toad 84.0 84.6 -0.17 84.8 86.8 0.38chorus frog 48.0 50.0 -0.82 56.5 58.5 0.15wood frog 32.0 34.6 N/A 50.0 52.2 0.22spring peeper 92.0 92.3 0.30 97.8 97.5 0.23grey treefrog 48.0 52.6 0.54 78.3 78.6 0.06a - Pearson's correlation coefficient between population indices and mean annual water levels of Lake Erie from 1995-20001 - Common denominator for all species is 25 for coastal routes and 46 for inland routes2 - Common denominator for all species is 78 for coastal route-years and 159 for inland route-years

Table 8. Proportion of routes where species were present, proportion of route-years where species were present, and correlations between annual population indices and mean annual water levels of Lake Ontario for marsh calling amphibians surveyed by MMP volunteers between 1995-2000.

Coastal Inland

Species % Rts Present1 % Rte-yrs Present2 r a # Rts Present1 # Rte-yrs Present2 r a

bullfrog 40.0 41.2 -0.46 94.4 96.3 0.20green frog 63.3 63.9 0.81 94.4 96.3 0.94leopard frog 76.7 82.5 0.44 94.4 96.3 0.09American toad 86.7 89.7 -0.80 83.3 83.3 0.51chorus frog 33.3 39.2 -0.72 72.2 66.7 0.35wood frog 36.7 43.3 0.96 50.0 51.9 N/Aspring peeper 60.0 68.0 0.40 83.3 85.2 N/Agrey treefrog 20.0 22.7 N/A 83.3 81.5 0.07a - Pearson's correlation coefficient between population indices and mean annual water levels of Lake Ontario from 1995-20001 - Common denominator for all species is 30 for coastal routes and 18 for inland routes2 - Common denominator for all species is 97 for coastal route-years and 54 for inland route-years

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FIGURES

Figure 1. Location of MMP routes (birds and amphibians) throughout the Great Lakes basin 1995-2000.

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Figure 2. Annual indices (± 1SD) of select marshbird species commonly observed byMMP volunteers throughout the Great Lakes basin 1995-2000. Populationindices are based on counts of individuals inside MMP boundaries and aredefined relative to 2000 values (refer to Table 1A). Vertical bars indicate95% confidence limits around annual indices.

Marsh Wren -0.5 (-3.8, 2.9) P = 0.77

Coot/Moorhen -11.1 (-16.4, -5.4) P < 0.001

Least Bittern -6.8 (-16.4, 3.7) P = 0.20

Common Yellowthroat7.0 (3.4, 10.8) P < 0.001

Black Tern -21.9 (-28.3, -14.9) P < 0.001

American Bittern -9.2 (-1.8, 1.5) P = 0.13

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Sora -14.0 (-20.9, -6.6) P < 0.001

Virginia Rail -3.9 (-8.1, 0.5) P = 0.08

Pied-billed Grebe -13.4 (-19.9, -6.3) P < 0.001

Figure 2 continued.

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Figure 3. Annual indices (± 1SD) of select amphibian species commonly observedby MMP volunteers throughout the Great Lakes basin 1995-2000. Indicesare based on annual proportion of survey stations with each species presentand are defined relative to 2000 values (refer to Table 2A). Vertical barsindicate 95% confidence limits around annual indices.

Wood Frog -0.3 (-2.2, 1.7) P = 0.76

Chorus Frog -5.9 (-8.2, -3..5) P < 0.001

American Toad -1.8 (-3.7, 0.1) P = 0.06

Leopard Frog -0.2 (-2.5, 2.0) P = 0.83

Green Frog -3.0 (-5.2, -0.9) P = 0.006

Bullfrog -1.8 (-3.7, 0.1) P = 0.06

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Grey Treefrog -3.0 (-5.2, 0.9) P = 0.87

Spring Peeper 0.2 (-2.1, 2.4) P = 0.86

Figure 3 continued.

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Figure 4. Annual indices of select marshbird species at coastal and inland MMProutes throughout the Great Lakes basin as compared to mean annual waterlevels of all Great Lakes combined 1995-2000. Population indices arebased on counts of individuals inside MMP boundaries and are definedrelative to 2000 values

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Figure 4 continued.

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Figure 5. Annual indices of select marshbird species at coastal and inland MMP routes throughout the Lakes Michigan-Huron basin as compared to mean annual water levels of Lakes Michigan-Huron 1995-2000. Population indices are based on counts of individuals inside MMP boundaries and are defined relative to 2000 values.

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Figure 5 continued.