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Table
Field DB Field Name Req'd? Data Type Misc Flag List? Definition
Cover Method
ID
COVERMETHOD_ID
no
serial
PK
no
Database generated identifier assigned to each unique coverclass methodology.
Cover Method
Reference
reference_ID
no
Integer
FK
no
Foreign Key into the reference table, linking the defining reference to a cover method.
Cover Method
Cover Type
coverType
required
varchar (30)
n/a
no
Name of the coverclass method (e.g., Braun-Blanquet, Barkman, Domin, Daubenmire, Carolina Vegetation Survey, etc.).
Cover Method
Cover Estimation Method
coverEstimationMethod
no
varchar (80)
n/a
closed
The way that cover is estimated on the observation.
Cover Method
Accession Code
accessionCode
no
varchar (100)
n/a
no
Code that uniquely references this record, allowing reference to this record for this version of this database. Better than a primary key, which is automatically generated by a database and not globally unique. VegBank Accession codes are only generated by VegBank, and therefore data integrity can be guaranteed, unlike with a primary key (number).
Defined Value
ID
DEFINEDVALUE_ID
no
serial
PK
no
Database generated identifier assigned to each unique defined value.
Defined Value
User Defined
USERDEFINED_ID
required
Integer
FK
no
Link to a specific user-defined variable defined in the userDefined table.
Defined Value
Table Record
tableRecord_ID
required
Integer
n/a
no
The numeric value of the record number (primary key) that this user-defined value would have if it were in the table identified by USERDEFINED_ID.
Defined Value
Defined Value
definedValue
required
text
n/a
no
The value of the user-defined variable.
Disturbance Observation
ID
disturbanceObs_ID
no
serial
PK
no
Database generated identifier assigned to each unique disturbance observation..