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Service Description: The Old Growth Management Area (OGMA) dataset provides a spatial representation of provincial OGMA in northeast BC. The dataset reports percentage disturbance at the OGMA level and identifies those areas that exceed the designated managed development allowance as High-Risk Status. This information supports consideration of OGMA in decision making under the Environmental Protection and Management Regulation. Field validation of this data is encouraged in development planning.
The OGMA Annual Status dataset was initially developed by the BC Energy Regulator for consideration of Managed Development Allowance across OGMA in Northeast BC. Data was derived from the provincial Old Growth Management Areas dataset. Disturbance is estimated using the BCER Surface Land Use data that is updated annually. The Managed Development Allowance allows for 10% disturbance in OGMA that are less than 100ha, and 5% or 10 hectares, whichever is greater, in OGMAs that are greater than 100ha.
Data Properties
Attributes / Column Name | Field Alias | Data Type | Data Precision | Comments |
OBJECTID | Object ID | Object ID | | Unique row number auto generated by database |
SHAPE | Shape | Geometry (Polygon) | | |
TSA_NUMBER | TSA Number | Text | 30 | Timber Supply Area Number |
TSA_NUMBER_DESCRIPTION | TSA Description | Text | 120 | Timber Supply Area for British Columbia. A timber supply area is a designated area established by the Ministry to practice sound, integrated, resource management principles including the allowable annual cut. |
LEGAL_OGMA_PROVID | Provincial Legal OGMA ID | Text | 20 | This is the unique legal identifier assigned to an OGMA by the province. |
LEGAL_DESC | OGMA Legal Description Code | Text | 5 | This field identifies the legislation act name associated with the polygon (FRPA, OGAA or FRPA;OGAA). |
OGMA_ID | OGMA_IDOGMA Unique ID | Short | | The OGMA Identifier |
DISTURBANCE_RANK | Level of Disturbance | Short | | Low, or high (depending if the OGMA is above or below the managed development allowance) |
INTACTNESS | Intactness (%) | Double | | The percentage that the OGMA is intact |
TRIGGER_HIGH_HA | High Rank Trigger (Ha) | Double | | The MDA threshold for hectare calculation |
TRIGGER_HIGH_PCT | High Rank Trigger (%) | Double | | The MDA threshold for percentage calculation |
AREA_GRP | Area Grouping | Text | 9 | |
OGMA_HA | OGMA Area (Ha) | Double | | Total hectare of OGMA |
CROWN_POLY_HA | Crown Area (Ha) | Double | | Total hectare Crown Land |
CROWN_SLU_HA | SLU Crown Area (Ha) | Double | | Hectare Surface Land Use |
CROWN_CC_HA | Current Condition Area (Ha) | Double | | Current condition hectare (crown) |
SLU_DATE | SLU Date | Text | 9 | Vintage of disturbance data used in calculations. |
SHAPE.AREA | | Double | | Area auto calculated by database (m2) |
SHAPE.LEN | | Double | | Polygon perimeter auto calculated by database (m) |
Renewal Triggers and Service Levels
Annual updates
Contact Information:
For further information please contact
Jacqueline Howard
Environmental Management Specialist
Responsible Development & Stewardship
jacqueline.howard@bc-er.ca
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Supported Query Formats: JSON
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Description: The Old Growth Management Area (OGMA) dataset provides a spatial representation of provincial OGMA in northeast BC. The dataset reports percentage disturbance at the OGMA level and identifies those areas that exceed the designated managed development allowance as High-Risk Status. This information supports consideration of OGMA in decision making under the Environmental Protection and Management Regulation. Field validation of this data is encouraged in development planning.
The OGMA Annual Status dataset was initially developed by the BC Energy Regulator for consideration of Managed Development Allowance across OGMA in Northeast BC. Data was derived from the provincial Old Growth Management Areas dataset. Disturbance is estimated using the BCER Surface Land Use data that is updated annually. The Managed Development Allowance allows for 10% disturbance in OGMA that are less than 100ha, and 5% or 10 hectares, whichever is greater, in OGMAs that are greater than 100ha.
Data Properties
Attributes / Column Name | Field Alias | Data Type | Data Precision | Comments |
OBJECTID | Object ID | Object ID | | Unique row number auto generated by database |
SHAPE | Shape | Geometry (Polygon) | | |
TSA_NUMBER | TSA Number | Text | 30 | Timber Supply Area Number |
TSA_NUMBER_DESCRIPTION | TSA Description | Text | 120 | Timber Supply Area for British Columbia. A timber supply area is a designated area established by the Ministry to practice sound, integrated, resource management principles including the allowable annual cut. |
LEGAL_OGMA_PROVID | Provincial Legal OGMA ID | Text | 20 | This is the unique legal identifier assigned to an OGMA by the province. |
LEGAL_DESC | OGMA Legal Description Code | Text | 5 | This field identifies the legislation act name associated with the polygon (FRPA, OGAA or FRPA;OGAA). |
OGMA_ID | OGMA_IDOGMA Unique ID | Short | | The OGMA Identifier |
DISTURBANCE_RANK | Level of Disturbance | Short | | Low, or high (depending if the OGMA is above or below the managed development allowance) |
INTACTNESS | Intactness (%) | Double | | The percentage that the OGMA is intact |
TRIGGER_HIGH_HA | High Rank Trigger (Ha) | Double | | The MDA threshold for hectare calculation |
TRIGGER_HIGH_PCT | High Rank Trigger (%) | Double | | The MDA threshold for percentage calculation |
AREA_GRP | Area Grouping | Text | 9 | |
OGMA_HA | OGMA Area (Ha) | Double | | Total hectare of OGMA |
CROWN_POLY_HA | Crown Area (Ha) | Double | | Total hectare Crown Land |
CROWN_SLU_HA | SLU Crown Area (Ha) | Double | | Hectare Surface Land Use |
CROWN_CC_HA | Current Condition Area (Ha) | Double | | Current condition hectare (crown) |
SLU_DATE | SLU Date | Text | 9 | Vintage of disturbance data used in calculations. |
SHAPE.AREA | | Double | | Area auto calculated by database (m2) |
SHAPE.LEN | | Double | | Polygon perimeter auto calculated by database (m) |
Renewal Triggers and Service Levels
Annual updates
Contact Information:
For further information please contact
Jacqueline Howard
Environmental Management Specialist
Responsible Development & Stewardship
jacqueline.howard@bc-er.ca
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Copyright Text: BCER
Spatial Reference:
102190
(3005)
Initial Extent:
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Spatial Reference: 102190
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Units: esriMeters
Document Info:
Title: NEBC OGMA Annual Status
Author:
Comments: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:7 0 7 0;"><SPAN><SPAN>The Old Growth Management Area (OGMA) dataset provides a spatial representation of provincial </SPAN></SPAN><A href="https://catalogue.data.gov.bc.ca/dataset/old-growth-management-areas-legal-current" STYLE="text-decoration:underline;"><SPAN STYLE="text-decoration:underline;"><SPAN>OGMA</SPAN></SPAN></A><SPAN><SPAN> in northeast BC. The dataset reports percentage disturbance at the OGMA level and identifies those areas that exceed the designated managed development allowance as High-Risk Status. This information supports consideration of OGMA in decision making under the Environmental Protection and Management Regulation. Field validation of this data is encouraged in development planning.</SPAN></SPAN><SPAN STYLE="font-weight:bold;"><SPAN> </SPAN></SPAN></P><P STYLE="margin:7 0 7 0;"><SPAN><SPAN>The OGMA Annual Status dataset was initially developed by the BC Energy Regulator for consideration of Managed Development Allowance across OGMA in Northeast BC. Data was derived from the provincial Old Growth Management Areas dataset. Disturbance is estimated using the BCER Surface Land Use data that is updated annually. The Managed Development Allowance allows for 10% disturbance in OGMA that are less than 100ha, and 5% or 10 hectares, whichever is greater, in OGMAs that are greater than 100ha.</SPAN></SPAN></P><P STYLE="font-weight:bold;margin:7 0 7 0;"><SPAN><SPAN>Data Properties</SPAN></SPAN></P><TABLE><TBODY><TR><TD><P STYLE="font-weight:bold;margin:0 0 0 0;"><SPAN><SPAN>Attributes / Column Name</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;font-weight:bold;margin:0 0 0 0;"><SPAN><SPAN>Field Alias</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;font-weight:bold;margin:0 0 0 0;"><SPAN><SPAN>Data Type</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;font-weight:bold;margin:0 0 0 0;"><SPAN><SPAN>Data Precision</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;font-weight:bold;margin:0 0 0 0;"><SPAN><SPAN>Comments</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>OBJECTID</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Object ID</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Object ID</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Unique row number auto generated by database</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>SHAPE</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Shape</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Geometry</SPAN></SPAN><SPAN><SPAN> (Polygon)</SPAN></SPAN></P></TD><TD><P /></TD><TD><P /></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>TSA_NUMBER</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>TSA Number</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Text</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>30</SPAN></SPAN></P></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Timber Supply Area Number</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>TSA_NUMBER_DESCRIPTION</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>TSA Description</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Text</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>120</SPAN></SPAN></P></TD><TD><P STYLE="margin:0 0 0 0;"><A href="https://catalogue.data.gov.bc.ca/dataset/fadm-timber-supply-area-tsa" STYLE="text-decoration:underline;"><SPAN STYLE="text-decoration:underline;"><SPAN>Timber Supply Area</SPAN></SPAN></A><SPAN><SPAN> for British Columbia. A timber supply area is a designated area established by the Ministry to practice sound, integrated, resource management principles including the allowable annual cut.</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>LEGAL_OGMA_PROVID</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Provincial Legal OGMA ID</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Text</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>20</SPAN></SPAN></P></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>This is the unique legal identifier assigned to an OGMA by the province. </SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>LEGAL_DESC</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>OGMA Legal Description Code</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Text</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>5</SPAN></SPAN></P></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>This field identifies the legislation act name associated with the polygon (FRPA, OGAA or FRPA;OGAA).</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>OGMA_ID</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>OGMA_IDOGMA Unique ID</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Short</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>The OGMA Identifier</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>DISTURBANCE_RANK</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Level of Disturbance</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Short</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Low, or high (depending if the OGMA is above or below the managed development allowance)</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>INTACTNESS</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Intactness (%)</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Double</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>The percentage that the OGMA is intact</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>TRIGGER_HIGH_HA</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>High Rank Trigger (Ha)</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Double</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>The MDA threshold for hectare calculation</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>TRIGGER_HIGH_PCT</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>High Rank Trigger (%)</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Double</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>The MDA threshold for percentage calculation</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>AREA_GRP</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Area Grouping</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Text</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>9</SPAN></SPAN></P></TD><TD><P /></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>OGMA_HA</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>OGMA Area (Ha)</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Double</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Total hectare of OGMA</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>CROWN_POLY_HA</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Crown Area (Ha)</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Double</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Total hectare Crown Land</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>CROWN_SLU_HA</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>SLU Crown Area (Ha)</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Double</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Hectare Surface Land Use</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>CROWN_CC_HA</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Current Condition Area (Ha)</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Double</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Current condition hectare (crown)</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>SLU_DATE</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>SLU Date</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Text</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>9</SPAN></SPAN></P></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Vintage of disturbance data used in calculations.</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>SHAPE.AREA</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Double</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Area auto calculated by database (m</SPAN></SPAN><SPAN><SPAN>2</SPAN></SPAN><SPAN><SPAN>)</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>SHAPE.LEN</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="text-align:Center;margin:0 0 0 0;"><SPAN><SPAN>Double</SPAN></SPAN></P></TD><TD><P /></TD><TD><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Polygon perimeter auto calculated by database (m)</SPAN></SPAN></P></TD></TR></TBODY></TABLE><P STYLE="font-weight:bold;margin:7 0 7 0;"><SPAN><SPAN>Renewal Triggers and Service Levels</SPAN></SPAN></P><OL STYLE="margin:0 0 0 0;padding:0 0 0 0;"><LI><P STYLE="margin:7 0 7 0;"><SPAN><SPAN> Annual updates</SPAN></SPAN></P></LI></OL><P STYLE="font-weight:bold;margin:7 0 7 0;"><SPAN /><SPAN /></P><P STYLE="font-weight:bold;margin:7 0 7 0;"><SPAN><SPAN>Contact Information: </SPAN></SPAN></P><P STYLE="margin:7 0 7 0;"><SPAN>For further information please contact </SPAN></P><P STYLE="margin:7 0 7 48;"><SPAN>Jacqueline Howard</SPAN></P><P STYLE="margin:7 0 7 48;"><SPAN>Environmental Management Specialist</SPAN></P><P STYLE="margin:7 0 7 48;"><SPAN>Responsible Development & Stewardship</SPAN></P><P STYLE="margin:7 0 7 48;"><SPAN>jacqueline.howard@bc-er.ca</SPAN></P></DIV></DIV></DIV>
Subject: The Northeast BC Old Growth Management Area (OGMA) Annual Status dataset (NEBC_OGMA_CURRENT_COND_PY) is updated annually by to evaluate the level of disturbance in designated areas in northeast BC. This information is useful in operational planning and decision making to support consideration of managed development allowance.
Category:
Keywords: NEBC,OGMA,Annual,Status,BCER,EXTERNAL
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