SOD Blitz 2023 – Fall Results Meetings and Online Webinar Schedule
SOD Blitz Google Earth Map Overlay
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SOD Blitz 2023 Survey Highlights
Summary of 2023 SOD Blitz HighlightsSOD Blitz 2023 Results Table
| Location | Surveyed trees | Symptomatic oaks nearby? % | Sampled trees | SOD positive sampled trees % | Estimated true infection rate % | Symptomatic surveyed trees % |
|---|---|---|---|---|---|---|
| Big Sur | 68 | 6.3 | 16 | 68.8 | 65.7 | 95.6 |
| Carmel | 303 | 9.9 | 204 | 16.7 | 4.6 | 27.7 |
| Del Norte | 46 | 7.4 | 27 | 14.8 | 4.2 | 28.3 |
| East Bay East | 313 | 2.3 | 175 | 3.4 | 1.4 | 39.6 |
| East Bay South | 50 | 0.0 | 10 | 10.0 | 4.0 | 40.0 |
| East Bay West | 196 | 15.3 | 124 | 6.5 | 3.0 | 46.9 |
| Humboldt | 730 | 1.6 | 64 | 0.0 | 0.0 | 12.3 |
| Lake | 0 | |||||
| Marin | 355 | 18.9 | 111 | 18.9 | 4.0 | 21.1 |
| Mendocino | 266 | 3.0 | 67 | 1.5 | 0.3 | 21.2 |
| Napa | 192 | 11.7 | 77 | 0.0 | 0.0 | 30.2 |
| Peninsula East | 529 | 15.4 | 65 | 0.0 | 0.0 | 30.8 |
| Peninsula North | 104 | 33.3 | 3 | 0.0 | 0.0 | 3.8 |
| Peninsula South | 83 | 25.0 | 32 | 9.4 | 4.1 | 43.4 |
| Peninsula West | 2102 | 25.1 | 442 | 12.0 | 4.7 | 39.4 |
| San Fancisco | 834 | 0.9 | 106 | 0.0 | 0.0 | 12.1 |
| San Luis Obispo | 508 | 1.2 | 83 | 0.0 | 0.0 | 15.7 |
| Santa Cruz | 2035 | 20.0 | 5 | 0.0 | 0.0 | 1.5 |
| Siskiyou | 230 | 14.8 | 27 | 0.0 | 0.0 | 7.8 |
| Sonoma East | 762 | 0.9 | 134 | 13.4 | 5.4 | 40.1 |
| Sonoma North | 44 | 6.7 | 15 | 6.7 | 2.8 | 42.6 |
| Sonoma West | 541 | 6.1 | 114 | 3.5 | 1.8 | 52.6 |
| Trinity | 0 | |||||
| Total | 10291 | 11.8 | 1901 | 8.8 | 2.7 | 31.1 |
Total number of 2022 SOD Blitz Volunteers = 233
SOD Blitz 2023 Results PowerPoint
Link to 2022 SOD Blitz Results
Link to 2021 SOD Blitz Results
Link to 2020 SOD Blitz Results
Link to 2019 SOD Blitz Results
Link to 2018 SOD Blitz Results
Link to 2017 SOD Blitz Results
Link to 2016 SOD Blitz Results
Link to 2015 SOD Blitz Results
Link to 2014 SOD Blitz Results
Link to 2013 SOD Blitz Results
Link to 2012-2008 SOD Blitz Results
SOD Blitz 2023-2008 Results PDF
SOD Blitz 2023 results for web v1Back to SOD Blitz landing page
This activity possible thanks to funding from:
USDA Forest Service, State and Private Forestry
PG&E Foundation
National Science Foundation
MidPeninsula Regional Open Space District
