FishBarrier Table

Provides the link between fish distribution (FishDist) and barrier (Barrier, Dam, Hatchery) tables. It has a many to one relationship with each.

Field Name Field Description Data Type Field Size*
SpecieID The species ID. Cross reference to the Specie table. smallint 2
RunID The run ID. Cross reference to Run table. tinyint 1
StageID The Stage identifier of the fish affected. Cross reference to Stage table. tinyint 1
BarrierID Links to specific barrier in Barrier table if BarrierID > 0. int 4
BlockageExtentID Code describing the extent of the blockage. tinyint 1
BlockageDesc Description of the blockage text 16
DirectionID Code for the direction of travel impeded by the barrier. tinyint 1
PositionID Location of barrier relative to fish distribution. tinyint 1
UpdDate The date and time the record was created or updated by agency compiler. smalldatetime 4
LastModifiedBy Network ID of regional staff or compiler that last updated record. varchar 50
LastModifiedOn Date regional staff or compiler last updated record datetime 8

*The text datatype pre-allocates only 16 bytes. Size represents actual bytes for all other data types.


Revised Wednesday September 28 2005