Area	Middle Redwood
Topic	USFS VegTypes: Roaring Gulch 1994

 

Caption:  This bar chart shows tree size classes for the Roaring Gulch Calwater planning watershed in 1994. The Roaring Gulch Calwater is comprised of 30 percent in medium large and greater trees, 67 percent in small-medium and smaller trees 3 percent is non-forest. The U.S. Forest Service derived the information from a 1994 Landsat image. The analysis technique calculates averages of vegetation stands and is only appropriate at the stand level. Click on Picture to see an ArcView screen print of the Calwater planning watershed showing vegetation types. Vegetation is classified according to diameter at breast height (DBH): Giant = >50" DBH, V Large = 40-50" DBH, Large = 30-39.9" DBH, Medium/Large = 20-29.9" DBH, Small/Medium = 12-19.9" DBH, Small = 5-11.9" DBH, Non-Forest = No trees, shrubs, grass, bare soil.

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