ALC ALR Boundary

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Published by the BC Agency - Agricultural Land Commission
Licensed under Open Government Licence - British Columbia

The spatial representation for a segment of the boundary of an Agricultural Land Reserve (ALR), which is a parcel of land, based on soil and climate, deemed necessary to be maintained for agricultural use. The ALR digital data is not considered the official representation of the ALR. The data gets updated four times a year, at the end of: Jan, Apr, Jul and Oct. It is also available on the ALC's website: https://www.alc.gov.bc.ca/alc/content/alr-maps/maps-and-gis History: ALR hard copy base (1:50000) and large scale constituent maps. Compilation from hard copy maps rectified to standard provincial base digital data (TRIM, CDMS, ICI, PMBC). Resolution: Variable, determined for feature from base source. Registry: Land Reserve Commission, 201-4940 Canada Way, Burnaby BC, V5G-4K6, (604)660-7000

Data and Resources

Dataset Extent

Latitude: 48.0° to 60.0°
Longitude: -139.5° to -113.5°

Additional Information

Purpose

Used to determine the location of the ALR boundary.

Lineage Statement

ALR hard copy base (1:50000) and large scale constituent maps. Compilation from hard copy maps rectified to standard provincial base digital data (TRIM, CDMS, ICI). Original data capture from ALR maps dated circa January 1996.

More Information

Contact Information

NameGabriel Hazaparu (custodian)
EmailGabriel.Hazaparu@gov.bc.ca
OrganizationBC Agency
Sub-OrganizationAgricultural Land Commission
NameKatie Lambert (pointOfContact)
EmailKathryn.Lambert@gov.bc.ca
OrganizationBC Agency
Sub-OrganizationAgricultural Land Commission

Access & Security

Who can view this dataset? Public
Who can download this dataset?Public

Metadata Information

Record Published 2014-12-15
Record Last Modified 2019-05-01
Resource Status onGoing

Object Description

Object Name: WHSE_LEGAL_ADMIN_BOUNDARIES.OATS_ALR_BOUNDARY_LINES

Short Name: TSLRBNDRLN
Comments: The spatial representation for a segment of the boundary of an Agricultural Land Reserve (ALR), which is a parcel of land, based on soil and climate, deemed necessary to be maintained for agricultural use. The ALR digital data is not considered the official representation of the ALR.

Column Name Short Name Data Type Data Precision Comments
ALR_LINE_ID LRLND NUMBER 20 System generated sequence number to uniquely identify a ALR BOUNDARY LINE
SOURCE_MAP SOURCE_MAP VARCHAR2 40 The ALR map on which the line appears, including Regional District map title. For Regional Districts where the digital data has been adopted by the Commission, the map title is from the 1:20,000 scale system. For Regional Districts where the digital data is not yet adopted, the map is from either the 1:50,000 scale system, or a Constituent map (if one exists for that area).
SOURCE_DOCUMENT SRCDCMNT VARCHAR2 60 The source document for the ALR boundary. Examples include hard copy maps (the old base and constituent map series) and (in the future) TRIM-based map series.
BOUNDARY_TYPE BNDRTP VARCHAR2 120 The kind of boundary that was used to create the ALR boundary. Since the ALR is not a surveyed line (and we use other people's data for base map information), we try to define what the intent of the boundary is
AMENDMENT_DOCUMENT MNDMNTDCMN VARCHAR2 15 The document used to determine the ALR boundary amendments (initially blank for digitized boundaries). Typically this is the Commission file number for the application (e.g. 34567); in some cases it is a mapping error (e.g. ME12345)
EFFECTIVE_DATE FFCTVDT DATE 7 Date the line became effective
EXPIRY_DATE XPRDT DATE 7 Date the line expired
FEATURE_CODE FTRCD VARCHAR2 10 The FEATURE CODE is most importantly a means of linking a feature to its name and definition. For example, the code GB15300120 on a digital geographic feature links it to the name " Lake - Dry" with the definition "A lake bed from which all water has drained or evaporated." The feature code does NOT mark when it was digitized, what dataset it belongs to, how accurate it is, what it should look like when plotted, or who is responsible for updating it. It only says what it represents in the real world. It also doesn't even matter how the lake is represented. If it is a very small lake, it may be stored as a point feature. If it is large enough to have a shape at the scale of data capture, it may be stored as an outline, or a closed polygon. The same feature code still links it to the same definition.
GEOMETRY GEOMETRY SDO_GEOMETRY 1 GEOMETRY is the column used to reference the spatial coordinates defining the feature.
OBJECTID OBJECTID NUMBER 38 OBJECTID is a required attribute of feature classes and object classes in a geodatabase.
SE_ANNO_CAD_DATA BLOB 4000 SE_ANNO_CAD_DATA is a binary column used by spatial tools to store annotation, curve features and CAD data when using the SDO_GEOMETRY storage data type.
FEATURE_LENGTH_M NUMBER 19 FEATURE_LENGTH_M is the system calculated length or perimeter of a geometry in meters