| Spring Survey | Fall Survey | ||||||||||||||||||
| Age | Year | n | Numerical Index | Biomass Index | Age | Year | n | Numerical Index | Biomass Index | ||||||||||
| LCI | Index | UCI | LCI | Index | UCI | LCI | Index | UCI | LCI | Index | UCI | ||||||||
| All | 2007 | All | 2007 | 150 | 51.5 | 68.9 | 92.0 | 2.12 | 2.72 | 3.43 | |||||||||
| 2008 | 150 | 31.5 | 43.0 | 58.6 | 1.81 | 2.26 | 2.80 | 2008 | 150 | 158.5 | 210.7 | 280.1 | 3.73 | 4.74 | 5.96 | ||||
| 2009 | 160 | 54.7 | 67.6 | 83.3 | 1.77 | 2.15 | 2.58 | 2009 | 160 | 127.6 | 165.5 | 214.6 | 4.71 | 5.87 | 7.27 | ||||
| 2010 | 150 | 27.0 | 37.9 | 53.1 | 1.63 | 2.19 | 2.88 | 2010 | 150 | 170.9 | 218.6 | 279.7 | 5.95 | 7.53 | 9.48 | ||||
| 2011 | 150 | 66.9 | 89.9 | 120.6 | 2.38 | 3.01 | 3.76 | 2011 | 150 | 87.5 | 120.9 | 166.8 | 6.13 | 7.76 | 9.77 | ||||
| 2012 | 150 | 93.9 | 120.8 | 155.2 | 4.89 | 6.17 | 7.72 | 2012 | 150 | 34.8 | 47.4 | 64.4 | 3.27 | 4.29 | 5.56 | ||||
| 2013 | 150 | 11.1 | 13.6 | 16.6 | 1.18 | 1.41 | 1.67 | 2013 | 150 | 58.2 | 82.3 | 116.1 | 3.39 | 4.65 | 6.28 | ||||
| 2014 | 150 | 20.0 | 26.3 | 34.4 | 1.22 | 1.59 | 2.03 | 2014 | 150 | 32.8 | 45.7 | 63.6 | 3.03 | 3.94 | 5.05 | ||||
| 2015 | 150 | 6.5 | 9.2 | 12.8 | 0.80 | 1.14 | 1.55 | 2015 | 150 | 45.8 | 62.5 | 85.1 | 4.85 | 6.20 | 7.86 | ||||
| 2016 | 150 | 49.5 | 64.6 | 84.2 | 3.02 | 3.77 | 4.67 | 2016 | 150 | 24.7 | 34.0 | 46.5 | 2.63 | 3.50 | 4.59 | ||||
| 2017 | 63 | 59.8 | 100.9 | 170.0 | 2.39 | 3.60 | 5.22 | 2017 | 150 | 52.5 | 71.3 | 96.6 | 4.03 | 5.27 | 6.81 | ||||
| 2018 | 150 | 18.3 | 24.7 | 33.0 | 1.29 | 1.74 | 2.28 | 2018 | 150 | 27.4 | 38.3 | 53.4 | 2.07 | 2.83 | 3.77 | ||||
| 2019 | 149 | 52.7 | 69.7 | 92.1 | 3.25 | 4.03 | 4.95 | 2019 | 150 | 31.5 | 40.1 | 50.8 | 1.26 | 1.61 | 2.03 | ||||
| 2020 | 2020 | 150 | 64.2 | 85.3 | 113.1 | 3.36 | 4.16 | 5.12 | |||||||||||
| 2021 | 150 | 60.8 | 83.5 | 114.6 | 2.69 | 3.48 | 4.42 | 2021 | 150 | 40.9 | 59.2 | 85.3 | 3.78 | 4.98 | 6.49 | ||||
| 2022 | 150 | 72.0 | 97.1 | 130.8 | 3.29 | 4.30 | 5.54 | 2022 | 150 | 114.5 | 154.6 | 208.7 | 5.15 | 6.60 | 8.38 | ||||
| 2023 | 2023 | ||||||||||||||||||
| 2024 | 2024 | ||||||||||||||||||
| 2025 | 2025 | ||||||||||||||||||
| 0 | 2007 | 0 | 2007 | 150 | 36.8 | 48.4 | 63.6 | 1.35 | 1.71 | 2.11 | |||||||||
| 2008 | 150 | 2.0 | 2.9 | 3.9 | 0.08 | 0.13 | 0.19 | 2008 | 150 | 88.1 | 114.7 | 149.2 | 2.15 | 2.69 | 3.31 | ||||
| 2009 | 160 | 4.8 | 5.9 | 7.2 | 0.08 | 0.10 | 0.12 | 2009 | 160 | 32.9 | 42.3 | 54.2 | 1.46 | 1.76 | 2.10 | ||||
| 2010 | 150 | 0.8 | 1.1 | 1.4 | 0.02 | 0.04 | 0.06 | 2010 | 150 | 64.4 | 80.6 | 100.8 | 2.13 | 2.56 | 3.05 | ||||
| 2011 | 150 | 10.4 | 13.8 | 18.2 | 0.31 | 0.41 | 0.53 | 2011 | 150 | 45.8 | 60.9 | 81.0 | 3.33 | 4.10 | 5.02 | ||||
| 2012 | 150 | 1.0 | 1.4 | 1.8 | 0.02 | 0.03 | 0.04 | 2012 | 150 | 13.7 | 17.7 | 22.8 | 1.33 | 1.68 | 2.07 | ||||
| 2013 | 150 | 0.1 | 0.2 | 0.3 | 0.00 | 0.00 | 0.00 | 2013 | 150 | 42.7 | 59.6 | 83.0 | 2.36 | 3.22 | 4.30 | ||||
| 2014 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | 2014 | 150 | 28.7 | 39.2 | 53.4 | 2.56 | 3.27 | 4.12 | ||||
| 2015 | 150 | 0.1 | 0.2 | 0.3 | 0.00 | 0.00 | 0.00 | 2015 | 150 | 12.3 | 15.9 | 20.5 | 1.26 | 1.58 | 1.95 | ||||
| 2016 | 150 | 0.0 | 0.0 | 0.1 | 0.00 | 0.00 | 0.00 | 2016 | 150 | 11.0 | 14.1 | 18.1 | 0.92 | 1.19 | 1.50 | ||||
| 2017 | 63 | 13.1 | 21.8 | 35.8 | 0.38 | 0.65 | 0.97 | 2017 | 150 | 14.3 | 18.6 | 24.2 | 0.95 | 1.19 | 1.46 | ||||
| 2018 | 150 | 1.0 | 1.4 | 1.9 | 0.00 | 0.02 | 0.03 | 2018 | 150 | 23.2 | 32.3 | 44.8 | 1.71 | 2.34 | 3.11 | ||||
| 2019 | 149 | 1.4 | 1.9 | 2.4 | 0.02 | 0.05 | 0.09 | 2019 | 150 | 24.1 | 30.3 | 38.0 | 0.75 | 0.97 | 1.21 | ||||
| 2020 | 2020 | 150 | 57.7 | 76.8 | 102.1 | 2.98 | 3.70 | 4.54 | |||||||||||
| 2021 | 150 | 6.2 | 8.9 | 12.6 | 0.16 | 0.27 | 0.38 | 2021 | 150 | 36.8 | 53.1 | 76.5 | 3.30 | 4.36 | 5.67 | ||||
| 2022 | 150 | 3.0 | 3.8 | 4.8 | 0.08 | 0.11 | 0.14 | 2022 | 150 | 96.3 | 129.9 | 175.2 | 4.21 | 5.34 | 6.72 | ||||
| 2023 | 2023 | ||||||||||||||||||
| 2024 | 2024 | ||||||||||||||||||
| 2025 | 2025 | ||||||||||||||||||
| 1 | 2007 | 1 | 2007 | 150 | 8.6 | 11.8 | 15.9 | 0.89 | 1.20 | 1.56 | |||||||||
| 2008 | 150 | 8.6 | 11.3 | 14.8 | 0.52 | 0.66 | 0.81 | 2008 | 150 | 31.0 | 42.5 | 58.1 | 1.35 | 1.73 | 2.18 | ||||
| 2009 | 160 | 34.5 | 43.5 | 54.7 | 1.24 | 1.52 | 1.83 | 2009 | 160 | 49.8 | 65.1 | 85.1 | 2.53 | 3.22 | 4.04 | ||||
| 2010 | 150 | 12.6 | 17.3 | 23.6 | 0.82 | 1.11 | 1.43 | 2010 | 150 | 36.6 | 49.5 | 66.7 | 2.48 | 3.22 | 4.10 | ||||
| 2011 | 150 | 16.1 | 21.2 | 27.9 | 1.15 | 1.44 | 1.78 | 2011 | 150 | 25.3 | 34.9 | 47.8 | 2.61 | 3.36 | 4.26 | ||||
| 2012 | 150 | 56.4 | 73.6 | 96.0 | 3.36 | 4.23 | 5.27 | 2012 | 150 | 12.2 | 17.1 | 23.6 | 1.76 | 2.35 | 3.07 | ||||
| 2013 | 150 | 8.0 | 9.8 | 11.9 | 0.89 | 1.06 | 1.25 | 2013 | 150 | 11.2 | 16.4 | 23.6 | 1.50 | 2.01 | 2.63 | ||||
| 2014 | 150 | 13.8 | 18.1 | 23.5 | 0.77 | 1.00 | 1.26 | 2014 | 150 | 3.6 | 5.1 | 7.0 | 0.55 | 0.80 | 1.08 | ||||
| 2015 | 150 | 5.1 | 7.4 | 10.5 | 0.68 | 0.97 | 1.32 | 2015 | 150 | 31.8 | 43.5 | 59.3 | 3.80 | 4.81 | 6.04 | ||||
| 2016 | 150 | 41.6 | 55.0 | 72.7 | 2.50 | 3.16 | 3.94 | 2016 | 150 | 7.0 | 10.3 | 15.0 | 1.50 | 2.07 | 2.76 | ||||
| 2017 | 63 | 16.5 | 27.6 | 45.9 | 1.43 | 2.26 | 3.36 | 2017 | 150 | 17.2 | 24.4 | 34.5 | 2.66 | 3.56 | 4.69 | ||||
| 2018 | 150 | 13.1 | 17.7 | 23.9 | 1.14 | 1.54 | 2.02 | 2018 | 150 | 2.7 | 4.1 | 5.8 | 0.61 | 0.89 | 1.23 | ||||
| 2019 | 149 | 44.7 | 59.3 | 78.5 | 2.85 | 3.53 | 4.34 | 2019 | 150 | 2.6 | 3.6 | 4.8 | 0.46 | 0.65 | 0.87 | ||||
| 2020 | 2020 | 150 | 1.8 | 2.6 | 3.6 | 0.35 | 0.55 | 0.77 | |||||||||||
| 2021 | 150 | 30.9 | 42.9 | 59.4 | 2.25 | 2.91 | 3.71 | 2021 | 150 | 3.6 | 4.9 | 6.7 | 0.72 | 0.97 | 1.26 | ||||
| 2022 | 150 | 57.6 | 79.6 | 109.8 | 3.18 | 4.16 | 5.37 | 2022 | 150 | 9.8 | 13.5 | 18.5 | 1.23 | 1.65 | 2.14 | ||||
| 2023 | 2023 | ||||||||||||||||||
| 2024 | 2024 | ||||||||||||||||||
| 2025 | 2025 | ||||||||||||||||||
| 2 | 2007 | 2 | 2007 | 150 | 1.9 | 2.6 | 3.4 | 0.28 | 0.40 | 0.52 | |||||||||
| 2008 | 150 | 15.1 | 20.4 | 27.5 | 1.05 | 1.31 | 1.60 | 2008 | 150 | 6.1 | 8.2 | 10.9 | 0.42 | 0.56 | 0.71 | ||||
| 2009 | 160 | 4.1 | 5.1 | 6.2 | 0.29 | 0.37 | 0.46 | 2009 | 160 | 3.8 | 5.1 | 6.8 | 0.50 | 0.68 | 0.89 | ||||
| 2010 | 150 | 10.4 | 14.5 | 20.0 | 0.78 | 1.07 | 1.41 | 2010 | 150 | 10.5 | 14.8 | 20.8 | 1.54 | 2.03 | 2.62 | ||||
| 2011 | 150 | 6.8 | 9.0 | 11.8 | 0.81 | 1.07 | 1.37 | 2011 | 150 | 5.3 | 7.0 | 9.1 | 0.58 | 0.77 | 0.98 | ||||
| 2012 | 150 | 23.6 | 30.9 | 40.5 | 1.82 | 2.29 | 2.83 | 2012 | 150 | 5.1 | 7.0 | 9.5 | 0.81 | 1.09 | 1.42 | ||||
| 2013 | 150 | 2.8 | 3.5 | 4.3 | 0.39 | 0.48 | 0.58 | 2013 | 150 | 2.6 | 3.6 | 4.9 | 0.41 | 0.56 | 0.72 | ||||
| 2014 | 150 | 3.4 | 4.6 | 6.0 | 0.39 | 0.57 | 0.77 | 2014 | 150 | 0.5 | 0.8 | 1.1 | 0.10 | 0.17 | 0.25 | ||||
| 2015 | 150 | 1.1 | 1.7 | 2.3 | 0.26 | 0.40 | 0.56 | 2015 | 150 | 4.1 | 5.5 | 7.3 | 0.66 | 0.90 | 1.16 | ||||
| 2016 | 150 | 4.9 | 6.2 | 7.7 | 0.66 | 0.83 | 1.02 | 2016 | 150 | 0.2 | 0.3 | 0.4 | 0.03 | 0.05 | 0.08 | ||||
| 2017 | 63 | 0.5 | 0.9 | 1.5 | 0.09 | 0.20 | 0.31 | 2017 | 150 | 0.8 | 1.1 | 1.5 | 0.17 | 0.26 | 0.37 | ||||
| 2018 | 150 | 1.9 | 2.6 | 3.4 | 0.28 | 0.42 | 0.59 | 2018 | 150 | 0.0 | 0.1 | 0.1 | 0.00 | 0.01 | 0.03 | ||||
| 2019 | 149 | 1.2 | 1.5 | 2.0 | 0.26 | 0.37 | 0.50 | 2019 | 150 | 0.4 | 0.5 | 0.7 | 0.05 | 0.10 | 0.15 | ||||
| 2020 | 2020 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | |||||||||||
| 2021 | 150 | 0.8 | 1.2 | 1.5 | 0.20 | 0.30 | 0.40 | 2021 | 150 | 0.2 | 0.3 | 0.5 | 0.03 | 0.07 | 0.10 | ||||
| 2022 | 150 | 0.4 | 0.6 | 0.8 | 0.08 | 0.13 | 0.19 | 2022 | 150 | 0.8 | 1.1 | 1.4 | 0.12 | 0.17 | 0.23 | ||||
| 2023 | 2023 | ||||||||||||||||||
| 2024 | 2024 | ||||||||||||||||||
| 2025 | 2025 | ||||||||||||||||||
| 3 | 2007 | 3 | 2007 | 150 | 0.6 | 0.9 | 1.2 | 0.08 | 0.13 | 0.18 | |||||||||
| 2008 | 150 | 1.8 | 2.4 | 3.1 | 0.25 | 0.34 | 0.44 | 2008 | 150 | 0.8 | 1.1 | 1.5 | 0.08 | 0.13 | 0.19 | ||||
| 2009 | 160 | 2.6 | 3.3 | 4.1 | 0.27 | 0.37 | 0.47 | 2009 | 160 | 1.5 | 2.0 | 2.6 | 0.22 | 0.33 | 0.45 | ||||
| 2010 | 150 | 2.6 | 3.7 | 5.1 | 0.36 | 0.54 | 0.73 | 2010 | 150 | 3.3 | 4.5 | 6.0 | 0.55 | 0.75 | 0.97 | ||||
| 2011 | 150 | 1.7 | 2.2 | 2.9 | 0.24 | 0.33 | 0.44 | 2011 | 150 | 2.1 | 2.7 | 3.5 | 0.21 | 0.29 | 0.38 | ||||
| 2012 | 150 | 4.2 | 5.3 | 6.8 | 0.39 | 0.50 | 0.62 | 2012 | 150 | 0.5 | 0.8 | 1.1 | 0.08 | 0.15 | 0.22 | ||||
| 2013 | 150 | 1.0 | 1.2 | 1.4 | 0.12 | 0.16 | 0.19 | 2013 | 150 | 0.9 | 1.2 | 1.5 | 0.11 | 0.16 | 0.21 | ||||
| 2014 | 150 | 0.3 | 0.6 | 0.8 | 0.09 | 0.18 | 0.29 | 2014 | 150 | 0.1 | 0.2 | 0.3 | 0.01 | 0.04 | 0.08 | ||||
| 2015 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.01 | 2015 | 150 | 0.2 | 0.3 | 0.4 | 0.02 | 0.07 | 0.12 | ||||
| 2016 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | 2016 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2017 | 63 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | 2017 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2018 | 150 | 0.0 | 0.1 | 0.1 | 0.00 | 0.02 | 0.03 | 2018 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2019 | 149 | 0.1 | 0.2 | 0.3 | 0.02 | 0.05 | 0.07 | 2019 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2020 | 2020 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | |||||||||||
| 2021 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | 2021 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.01 | ||||
| 2022 | 150 | 0.0 | 0.0 | 0.1 | 0.00 | 0.01 | 0.01 | 2022 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2023 | 2023 | ||||||||||||||||||
| 2024 | 2024 | ||||||||||||||||||
| 2025 | 2025 | ||||||||||||||||||
| 4+ | 2007 | 4+ | 2007 | 150 | 0.1 | 0.2 | 0.2 | 0.01 | 0.02 | 0.03 | |||||||||
| 2008 | 150 | 1.0 | 1.3 | 1.7 | 0.14 | 0.20 | 0.25 | 2008 | 150 | 0.1 | 0.2 | 0.3 | 0.01 | 0.03 | 0.05 | ||||
| 2009 | 160 | 0.8 | 1.0 | 1.3 | 0.10 | 0.15 | 0.20 | 2009 | 160 | 0.3 | 0.5 | 0.6 | 0.03 | 0.08 | 0.12 | ||||
| 2010 | 150 | 0.9 | 1.3 | 1.7 | 0.13 | 0.21 | 0.31 | 2010 | 150 | 0.6 | 0.8 | 1.0 | 0.08 | 0.12 | 0.17 | ||||
| 2011 | 150 | 0.7 | 0.9 | 1.1 | 0.07 | 0.11 | 0.15 | 2011 | 150 | 0.3 | 0.5 | 0.7 | 0.04 | 0.07 | 0.11 | ||||
| 2012 | 150 | 0.1 | 0.1 | 0.2 | 0.01 | 0.02 | 0.02 | 2012 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2013 | 150 | 0.6 | 0.8 | 1.0 | 0.08 | 0.12 | 0.15 | 2013 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2014 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | 2014 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2015 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | 2015 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2016 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | 2016 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2017 | 63 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | 2017 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2018 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | 2018 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2019 | 149 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | 2019 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2020 | 2020 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | |||||||||||
| 2021 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | 2021 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2022 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | 2022 | 150 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 0.00 | ||||
| 2023 | 2023 | ||||||||||||||||||
| 2024 | 2024 | ||||||||||||||||||
| 2025 | 2025 | ||||||||||||||||||