Table 4. Estimates of annual mortality based on field and lidar samples.
Ducke Reserve | Tapajos National Forest | |||||||
---|---|---|---|---|---|---|---|---|
Nm | N | % Ann. Mortality | % Fallen | Nm | N | % Ann. Mortality | % Fallen | |
All Field | 23 | 899 | 1.4 | 53.0 | 49 | 1,137 | 2.1 | 59.1 |
Field Emergents | 0 | 16 | — | — | 3 | 61 | 2.9 | 28.9 |
Lidar Emergents | 114 | 1,583 | 1.9 | — | 177 | 2,082 | 2.1 | — |
Field based estimates were calculated for all trees as well as emergent trees (>40 m). Lidar-based estimates of annual mortality are for emergent trees only (>40 m). Columns indicate the number of dead trees (Nm), total sample size (N), and the proportion of annual mortality between field or lidar sampling intervals. Fallen dead trees had heights <10 m in the 2011 survey.