Table 1 Fire type, sample size, and stand characteristics for each wild and prescribed fire burned in bishop pine stands on the PG&E Diablo Canyon Power Plant property as of the 2018 sampling year
From: Persistent, viable seedbank buffers serotinous bishop pine over a broad fire return interval
Fire year | Years since firea | Fire type | No. plots | Tree density (ha− 1) | Seed density (ha− 1) | Cones per tree | Seeds per conec | Seeds viable (%)b | Pine pitch canker infection (% of trees in plot) |
|---|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | Â | Median (min-max) | |||||
1982 | 36 | Wildfire | 15 | 402 (30–1547) | 105.7 (104.8–106.1) | 20 (0–200) | 60 (0–112)c | 95 (86–98)c | 10 (0–30) |
2007 | 11 | Wildfire | 6 | 2653 (707–3537) | 106.4 (105.4–106.8) | 9 (0–275) | 62 (3–141) | 97 (64–99) | 48 (10–100) |
2009 | 9 | High-severity prescribed fire | 4 | 5128 (354–14,501) | 105.8 (0–106.5) | 0 (0–25) | 49 (4–115) | 94 (93–97) | 100 (50–100) |
2010 | 8 | High-severity prescribed fire | 12 | 10,257 (1415–63,308) | 106.6 (105.2–107.2) | 0 (0–303) | 63 (0–146) | 98 (77–100) | 38 (4–100) |
2012 | 6 | High-severity prescribed fire | 13 | 9196 (1840–102,920) | 105.8 (0–106.5) | 0 (0–41) | 48 (0–154) | 97 (90–100) | 22 (0–81) |