Decayed Wood Advisor

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Down Wood Diameter -

A table and a figure may be displayed on this screen: the small table on the left shows a summary of the forest inventory data, and the graph on the right show wildlife use data. Note that the right hand column in the inventory table does not add to 100% because plots may be counted in more than one size class. Below, the “Underlying Wildlife Data” button will display values in cm and in, sample size, and the number of studies for each data point. For use of other buttons, see the DecAID Tutorial.

Some figures include data from all subregions within the wildlife habitat type. Also, for some graphs the data for Small/Medium Trees and Larger Trees structural condition classes are identical if data were collected in both structural condition classes; these figures and the underlying data tables are labeled with "S/L".

Underlying Wildlife Data

Table EMC_ECB_L.inv-2. Distribution of down wood sizes on unharvested forest inventory plots (n=166) in the EMC_ECB_L Vegetation Condition.

Down wood diameter (cm)
% down wood (> 12.5 cm) in size class1
% of area with down wood in size class2
< 12.52
N/A
34
12.5 - 24.9
15
35
25 - 49.9
48
55
50 - 79.9
32
39
> 80
5
9
1Column total may not equal 100% due to rounding errors.
2Down wood less than 12.5 cm in diameter was not measured in the forest inventory plots, therefore the value in the first row reflects % of plot-sized areas with no down wood, and/or % of plot-sized areas where all down wood is < 12.5 cm diameter.

    [Graph]: Graph of cumulative species curves for down wood diameter (cm) used at denning, resting, ant colonies, foraging and occupied sites in relations to down wood size for 30%, 50%, and 80% tolerance levels in the Eastside Mixed Conifer Forest Wildlife Habitat Type and Larger Trees Structural Conditions Classes.