Pest Infestation Polygons
916 views (15 recent)Published by the Ministry of Forests, Lands, Natural Resource Operations and Rural Development - Resource Practices
Licensed under Open Government Licence - British Columbia
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A wide range of forest management activities are influenced by this data including timber supply analysis, resource management planning, silviculture strategies, harvest planning and pest treatment programs. The data also represents the only long-term record of forest disturbances for the province which may be useful to determine trends and changes in trends due to climate change or other factors.
A minimum of 80% of the province's land area is flown annually. Missed areas are due to weather and smoke. A corresponding map showing GPS tracks of the areas surveyed annually provides a record of the coverage. There are errors of omission and commission and general spatial accuracy can be poor depending on a number of factors but is accurate enough to meet the main purpose of the data which is to provide general trends in disturbance size and frequency.
Data originates from the Canadian Forest Services' Forest Insect and Disease survey (FIDS) from 1907 to 1996. From 1999 to the present, all data has been collect by the province.
|Name||Tim Ebata (pointOfContact)|
|Organization||Ministry of Forests, Lands, Natural Resource Operations and Rural Development|
Access & Security
|Who can view this dataset?||Public|
|Who can download this dataset?||Public|
|Record Last Modified||2019-05-03|
Object Name: WHSE_FOREST_VEGETATION.PEST_INFESTATION_POLY
Short Name: PEST_INFST
Comments: PEST_INFESTATION_POLY represents a site infestation as an area (polygon). Feature type : polygon multipart.
|Column Name||Short Name||Data Type||Data Precision||Comments|
|POLYGON_NUMBER||POLY_NO||NUMBER||12||POLYGON_NUMBER: A unique number that is assigned to an infestation area by the business.|
|PEST_SEVERITY_CODE||PST_SEV_CD||VARCHAR2||3||PEST_SEVERITY_CODE: The acronym used to identify pest severity. i.e. T(race), (L)ight, (M)oderate, (S)evere, (V)ery Severe.|
|PEST_SEVERITY_DESC||PST_SEV_DS||VARCHAR2||16||PEST_SEVERITY_DESC: The full length pest severity description. i.e. Trace, Light, Moderate, Severe, Very Severe.|
|PEST_SPECIES_CODE||PST_SPC_CD||VARCHAR2||16||PEST_SPECIES_CODE: The code used to identify the pest, e.g. I, DR, DM, IBM.|
|PEST_SPECIES_COMMON_NAME||PST_COM_NM||VARCHAR2||75||PEST_SPECIES_COMMON_NAME: The full common name of the identified pest, e.g. insects, root disease, dwarf mistletoe, mountain pine beetle.|
|PEST_SPECIES_LATIN_NAME||PST_LTN_NM||VARCHAR2||75||PEST_SPECIES_LATIN_NAME: The full latin genus and species name (for biotic pests only) of the pest, e.g. Dendroctonus ponderosae, Arceuthobium douglasii.|
|PEST_CAPTURE_METHOD_CODE||PST_CM_CD||VARCHAR2||3||PEST_CAPTURE_METHOD_CODE: A code that describes the survey method used to capture the data, e.g. OS, DS, FR, VL.|
|PEST_CAPTURE_METHOD_DESC||PST_CM_DSC||VARCHAR2||40||PEST_CAPTURE_METHOD_DESC: A full description of the survey method used to capture the data, e.g. Overview Survey Fixed Wing; Detailed Survey, FIDS Report, Vernon Labs, Walkthrough Survey.|
|CAPTURE_YEAR||CPTR_YR||NUMBER||4||CAPTURE_YEAR: The calendar year when the data was captured.|
|AREA_HA||AREA_HA||NUMBER||14||AREA_HA: The area of the polygon in Hectares.|
|ORG_UNIT_NO||ORG_UNITNO||NUMBER||10||ORG_UNIT_NO: Unique physical identifier for the storage of organizational unit codes. Values stored here are for the computer's use only.|
|TREE_SPECIES_CODE||TRE_SPC_NM||VARCHAR2||3||TREE_SPECIES_CODE: The code used to describe the host tree species that has been infested by the pest, e.g. PL, FDI.|
|TREE_SPECIES_COMMON_NAME||TRE_COM_NM||VARCHAR2||75||TREE_SPECIES_COMMON_NAME: The full common name of the host tree species that has been infested by the pest, e.g. Lodgepole Pine, Interior Douglas Fir.|
|COMMENTS||COMMENTS||VARCHAR2||256||COMMENTS: A text string column used to record general comments recorded during the surveys, often used to describe additional damage symptoms or patterns that are not adequately captured by the available coding.|
|FEATURE_AREA_SQM||FEAT_AREA||NUMBER||19||FEATURE_AREA_SQM is the system calculated area of a two-dimensional polygon in square meters.|
|FEATURE_LENGTH_M||FEAT_LEN||NUMBER||19||FEATURE_LENGTH_M is the system calculated length or perimeter of a geometry in meters.|
|GEOMETRY||GEOMETRY||SDO_GEOMETRY||1||SHAPE is the column used to reference the spatial coordinates defining the feature.|
|OBJECTID||OBJECTID||NUMBER||38||OBJECTID is a column required by spatial layers that interact with ESRI ArcSDE. It is populated with unique values automatically by SDE.|
|SE_ANNO_CAD_DATA||ANNO_CAD||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.|