HatchRelData Table

This table contains hatchery release information for anadromous fishes and has a many to one relationship with the Trend table via the TrendID field (NOT UPDATED SINCE 1999).

Field Name Field Description Data Type Field Size*
TrendID A unique StreamNet code identifying the particular trend int 4
BeginDate The full beginning date for the count time period datetime 8
EndDate The full ending date for the count time period datetime 8
TagCode The tag code of the coded wire tag char 12
CalcMethID The method by which the count was calculated. smallint 2
RelAgency Acronym for agency which released the fish char 4
BroodYear The year in which the returning fish spawn and eggs were fertilized smallint 2
RelYear The year the fish were released smallint 2
RelTypeID Purpose for the release smallint 2
NoCWT The number of fish released with coded wire tags int 4
NoShedCWT The number of fish that shed their coded wire tags int 4
NoUnTag The number of fish released without coded wire tags int 4
Weight The average weight of fish in the release group (grams/fish) real 4
Length The average length of fish in the release group (mm fork length) int 4
RefID Unique StreamNet reference ID number for the data source. Cross reference to the Reference table. int 4
CountCom Comments related to the count text 16
DataEntry Compiler's name and/or other data entry source information. varchar 50
AgencyID Code for agency that entered the data smallint 2
NullFlag If true (-1) indicates a null value for the defined time period. bit 1
UpdDate The date and time the record was created or updated by agency compiler. smalldatetime 4
TotalRel Total number of fish released int 4

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


Revised Wednesday September 28 2005