Table S3. Maximum likelihood classification (MLC) error matrix for the initial hyperspectral classification in this study prior to application of the decision tree. Columns represent reference data (what the pixel actually is based on validation data) and rows represent image data (what the pixel was classified as). Percentages are rounded to the nearest decimal place and may not sum to 100% for each cover class. Tall Medium Intertidal Salt S. S. S. S. B. J. B. Class Mud Pan alterniflora alterniflora alterniflora virginica maritima 0 0 0 0 Unclassified 0 0 0 0 0 93.30 2.93 0 0.16 Tall 1.76 0 0 2.26 0 S. alterniflora Medium S. 5.76 86.77 13.24 6.06 0.00 0 0 2.02 2.04 alterniflora 0 7.99 85.44 0.98 Short 10.56 0 0 0 0 S. alterniflora 0.2 0 0.54 0 Intertidal Mud 86.80 0 0 0 0 0 1.19 0.68 82.49 0 3.64 2.38 0 0 S. virginica 0 0 0 5.73 0 89.27 0 0.97 2.66 B. maritima 0 0 0 4.58 Salt Pan 1 0 97.62 0 0 0 1.12 0.1 0 0 0 0 94.35 0 J. roemerianus 0.74 0 0 0 0 7.09 0 0 95.30 B. frutescens 100 100 100 100 Total 100 100 100 100 100
Table S3. Maximum likelihood classification (MLC) error matrix for the initial hyperspectral classification in this study prior to application of the decision tree. Columns represent reference data (what the pixel actually is based on validation data) and rows represent image data (what the pixel was classified as). Percentages are rounded to the nearest decimal place and may not sum to 100% for each cover class. Class Tall S. alterniflora Medium S. alterniflora S. alterniflora Intertidal Mud S. virginica B. maritima Salt Pan J. B. Unclassified 0 0 0 0 0 0 0 0 0 Tall S. alterniflora 93.30 2.93 0 1.76 0.16 0 0 2.26 0 Medium S. alterniflora 5.76 86.77 13.24 0.00 6.06 0 0 2.02 2.04 Short S. alterniflora 0 7.99 85.44 10.56 0.98 0 0 0 0 Intertidal Mud 0.2 0 0.54 86.80 0 0 0 0 0 S. virginica 0 1.19 0.68 0 82.49 3.64 2.38 0 0 B. maritima 0 0 0 0 5.73 89.27 0 0.97 2.66 Salt Pan 0 0 0 1 4.58 0 97.62 0 0 J. roemerianus 0 1.12 0.1 0 0 0 0 94.35 0 B. frutescens 0.74 0 0 0 0 7.09 0 0 95.30 Total 100 100 100 100 100 100 100 100 100
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