Area	North Fork
Topic	USFS Tree Size Classes: Doty Creek CalWater 1994

 

Caption:  This bar chart shows vegetation and timber types of the Doty Creek Calwater planning watershed. The U.S. Forest Service derived the information from a 1994 Landsat image. This analysis technique calculates averages of vegetation stands at a one-hectare scale. Scroll down for a key to classifications. The Doty Creek Calwater had a high amount of Medium-Large Trees (20-29.9") with more than half the watershed in mid-seral conditions. Very Large Trees (>40 " diameter) and Large Trees (30-39.9") are non-existent and Non-Forest is only 3%. A total of 27% of the watershed is in trees less than 12 inches diameter, which suggests recent timber harvest. Click on Picture to see an ArcView scene of the Doty Creek Calwater planning watershed showing vegetation types. Vegetation classifications are: Very Large Trees = >40" in diameter Large Trees = Trees 30-39.9" in diameter Medium/Large Trees = 20-29.9" in diameter Small/Medium Trees = 12-19.9" diameter Small Trees = 5-11.9" in diameter Saplings = Trees less than 5" Non-Forest = No trees, shrubs, grass, bare soil

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To download the table with the chart's source data, click veggua_summstats.dbf (size 5,898 bytes)
 
 

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