SERALB

Forest Seral Stage condition for federal lands. Developed in 1993 by the Forest Ecosystem 
Management Assessment Team (FEMAT) from the integration of BLM and USFS 
vegetation 
databases.

This data was developed at a resolution of 40 acre grid cells for regional level analysis. 
It is not reccomended for site-specific or sub-watershed level analysis.


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ATTRIBUTE VALUE					ATTRIBUTE VALUE 
DESCRIPTION

Grid_Code
0:	Null -- no value
11	GRSH -- Grass-Shrub
12	SDSP -- Seed-Sap-Pole all Structure, Conifer and Conifer-Hardwood Mix
13	LDCO --Low Density Conifer and Conifer-Hardwood Mix
14	SMAL--Small all structure, Conifer and Conifer-Hardwood Mix
15	MDSS--Medium Single-SIze Conifer and Conifer-Hardwood Mix
16	MDMS -- Medium Multi-Size Conifer and Conifer-Hardwood Mix
17	LGSS -- Large Single-SIze Conifer and Conifer-Hardwood Mix
18	LGMS--Large Multi-SIze Conifer and Conifer-Hardwood Mix
19	SMHD--Small Hardwood all Structure
20 	MDHD -- Medium Hardwood all Structure
21	LGHD -- Large Hardwood all Structure
22	SPS --Sparse (unique area on SIS and ROR-W)
23	WA--Water
24	OT--Other

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DBH RANGE for WESTERN OREGON

seedling (SD)	< 0.9" dbh
sapling (SP)	1.0-4.9" dbh
pole (PL)	5.0-8.9" dbh
small (SM)	9.0-20.9 dbh
medium (MD)	21.0-31.9" dbh
large (LG)	32.0-47.9" dbh
giant (GT)	> 48.0" dbh



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Values and Descriptions can be linked to the coverage database 
through the look-up table: SERAL_LK.dbf
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