Strategic Landscape Assessment Ad Hoc Work Group (SLAWG)

The next SLAWG meeting will be next Thursday, August 20th from 1:00-2:30 pm. The goal will be to continue discussing high-valued resources and assets (HVRAs) to be included in ACCG’s Prioritization Tool which will ultimately define priority areas across the landscape for future fuels reduction work.

As promised at the last meeting, attached is a spreadsheet with the five proposed ACCG Prioritization Tool HVRAs (Communities, Infrastructure, Wildlife/Ecosystems, Watersheds, and Economic Assets) broken down into potential sub-HVRAs. If you are interested and have some time between now and next Thursday, take a look at the spreadsheet. I may make some further revisions between now and next Thursday, but I will spend the first 20-30 minutes of the meeting going through the spreadsheet in detail. Note- there is a second worksheet within the spreadsheet with additional potential HVRAs and sub-HVRAs that we could include.

Each sub-HVRA has a response function (RF) score for each of the predicted flame length classes (fire intensity levels), and has a relative importance (RI) score per unit area (if available), taken from peer-reviewed literature and/or other wildfire risk assessments (indicated in the spreadsheet and a list of them is below). Note that the Communities and Watersheds HVRAs have two different scenarios we could use (i.e., Communities version A vs. Communities version B). And, as a reminder, RFs are a tabulation of the relative change in value of an HVRA if it were to burn in each of six flame-length classes, and RIs are an importance score given to each sub-HVRA relative to every other sub-HVRA. RFs and RIs (along with sub-HVRA relative extent, RE, and flame length probability for each flame-length class) will be used to calculate the conditional net value change (cNVC) for each sub-HVRA, and then ultimately the total cNVC and the expected net value change (eNVC, accounts for burn probability) across all HVRAs will be calculated, which will be used to define the ACCG’s priority areas.

Below are the links to risk assessments I cite in the spreadsheet if you were interested:

• Southern Sierra Nevada Risk Assessment (report – 2015, Thompson et al. 2016):
  • https://www.fs.usda.gov/nfs/11558/www/nepa/3403_FSPLT3_3083905.pdf
  • https://www.fs.fed.us/rm/pubs_journals/2016/rmrs_2016_thompson_m001.pdf
• Pacific Northwest Risk Assessment (report – 2018, Dunn et al. 2020):
  • http://oe.oregonexplorer.info/externalcontent/wildfire/reports/20170428_PNW_Quantitative_Wildfire_Risk_Assessment_Report.pdf
  • https://www.fs.fed.us/rm/pubs_journals/2020/rmrs_2020_dunn_c001.pdf
• Lewis & Clark National Forest Risk Assessment (Thompson et al. 2012):
  • https://www.fs.fed.us/rm/pubs_other/rmrs_2012_thompson_m003.pdf
• Stanislaus NF (unpublished spreadsheet)

Meeting agenda is also attached and zoom meeting info is below. Email me if you need clarification or if you want to chat before the meeting.

Thanks!

Megan Layhee is inviting you to a scheduled Zoom meeting.

Topic: ACCG SLAWG Meeting – Thursday, 8/20/2020
Time: Aug 20, 2020 01:00 PM Pacific Time (US and Canada)

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