Table 1.

Characterization of DNA recovered from subfossil sediment layers of Mahoney Lake

Sample no.Depth (m)Agea(yr)DNA (μg · g [dry wt]−1)Maximum fragment length (kb)Minimum fragment length (kb)
10.3966015.4823.10.2
20.691,0708.479.40.3
31.081,9705.246.60.2
41.603,72019.094.40.1
52.235,5801.180.80.2
62.876,9000.820.40.1
73.406,9700.440.40.1
83.778,2203.210.60.1
94.109,1002.010.50.1
104.5610,0000.290.40.1
  • a Based on radiocarbon dating of the sediment layers. Values are adjusted for the old-carbon effect using the known age of the Mazama mountain tephra (20).