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Restoration ArticleRestoration Notes
Open Access

Innovation in Restoration: Estimating Seed Counts Using a Photography App

Samantha Kelly, Cessair McKinney and Kerry M. Byrne
Ecological Restoration, March 2022, 40 (1) 29-32; DOI: https://doi.org/10.3368/er.40.1.29
Samantha Kelly
Department of Environmental Science and Management, Humboldt State University, Arcata, CA
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Cessair McKinney
Dpartment of Environmental Science and Management, Humboldt State University, Arcata, CA
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Kerry M. Byrne
Department of Environmental Science and Management, 1 Harpst St., Arcata, CA 95521
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    Figure 1.

    Photograph of the Sagebrush Seeds template applied to a photograph of sagebrush seeds spread across white paper. Each seed is circled and enumerated by the app. Count Things estimated 257 sagebrush seeds in this photograph and the actual number of seeds was also 257.

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    Table 1.

    Model results for each CountThings template tested. * Signifies models or parameters with p < 0.05, ** signifies models or parameters with p < 0.005, and *** signifies models or parameters with p < 0.0005.

    Template NameModelR2
    Baby Tilapia Fingerlingsy = 6.18 + 0.50x**0.21**
    Cattley = 28.47* + 0.24x***0.25***
    Potato Cyst Nematodesy = 60.17 + 1.56x**0.20**
    Sagebrush Seedsy = 7.90 + 0.84x***0.83***
    Sagebrush Seeds (forced intercept)y = 0.87x***0.95***
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    Table 2.

    Time investment for seed layout, manual seed counting, non-custom template seed estimate including manual adjustment time, and custom template seed estimate (no manual adjustment needed). Values in table represent time investment (mean and standard error) for 200 seeds (n = 10).

    ActivityTime Investment (s)
    Seed Layout576 (51)
    Manual Count119 (34)
    Non-Custom Template with adjustments66 (7)
    Custom Template 13 (6)
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Ecological Restoration: 40 (1)
Ecological Restoration
Vol. 40, Issue 1
March 2022
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Innovation in Restoration: Estimating Seed Counts Using a Photography App
Samantha Kelly, Cessair McKinney, Kerry M. Byrne
Ecological Restoration Mar 2022, 40 (1) 29-32; DOI: 10.3368/er.40.1.29

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Innovation in Restoration: Estimating Seed Counts Using a Photography App
Samantha Kelly, Cessair McKinney, Kerry M. Byrne
Ecological Restoration Mar 2022, 40 (1) 29-32; DOI: 10.3368/er.40.1.29
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