Parent Layer: Bathurst Caribou Range Plan

Name: Direct Disturbance Footprint

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Description: Direct human disturbance footprint refers to the area directly affected by human activities, such as mine sites, roads or airstrips. These human disturbance features directly affect caribou habitat. The direct human disturbance footprint mapping formed the basis for the Bathurst Caribou Range Plan disturbance assessment, with estimated zones of influence applied to each feature. The human land use feature mapping was developed iteratively between 2014 to 2016 by compiling and merging available GIS information including the Government of Northwest Territories Cumulative Impact and Monitoring Program (CIMP) database, the National Road Network, and mineral industry-provided information used to support project assessment and permitting activities. The human feature mapping database includes both existing and future potential human features based on three potential land use scenarios. Time T1 is the existing situation (2016), with T2 – T5 representing the future scenario period 2022 to 2040. Some features are present all season, while others are winter only. The current version of mapping is 5.0 and was last updated in May, 2016. Detailed mapping methods and assumptions regarding the land use scenarios are described in Appendix A of the Caribou Range Assessment and Technical Information developed in support of the Bathurst Caribou Range Planning Exercise. Please contact Karin Clark, Cumulative Effects Biologist, GNWT to obtain a copy of this report.While all attempts have been made to accurately represent and classify existing and future potential human land use features and surface disturbances, at this time individual features have not been checked for accuracy by GNWT staff or other users.Feature TypeFCODEDescriptionLINEAR FEATURES(roads, trails and utility corridors)ARAll-season Access Road(average 10m width)Any all-season road, including roads in Settlements. ECMajor Electrical Transmission Corridor(average 30m width)Any major electrical utility corridor (e.g., Snare River).HWPublic All-season Paved Highway(average 60m width)Any all-season paved highway (e.g., NWT Highway #3 and #4).MARMainline All-season Access (Haul) Road(average 20m width)Any major all-season access or haul road (e.g., current Ekati Misery Road or future Izok Corridor road).WRWinter Road(average 12m width)All winter roads (excluding main Tibbit-Contwoyto Winter Road).WR_TCMain Tibbitt to Contwoyto Winter Road(average 40m width)Mainline Tibbit to Contwoyto Winter Road.POLYGONAL FEATURES**(mine sites, settlements, camps and similar)AIRSTRIPAirstripActive airstrip with paved or unpaved surfaces.CIMP Feature Class: RunwayNote: Many runways associated with CAMP may be missing. The Runway feature class in the CIMP database may be under-reported. Where known, additional AIRSTRIP features were added to the CIMP database.CAMPCampMineral exploration camps, lodges and similar.CIMP Feature Class: CampNote: This feature class includes a variety of different camp types – lodges, outfitting, highway, research, etc. The most common type of CAMP appears to be mineral exploration camp (the same ZOI has therefore been applied as MIN_EXPL).COMMCommunication TowerCIMP Feature Class: CommunicationsNote: Only a few communications towers are contained in the CIMP database; these features may be under-reported.GEN_INDGeneral IndustrialA variety of general industrial disturbances.CIMP Feature Class: General Industrial is a “catch-all” category of several CIMP features: Industrial, Culvert Replacement, Fuel Storage, Geotechnical, Oil and Gas, Road Private, Road Public, Staging Area, Woods / Forestry OperationsNote: Most Road Private and Road Public appear to be gravel pits or clearings associated with the major highways (Highway # 3 and #4).MIN_EXPLMineral ExplorationMineral exploration-related infrastructure and disturbances.CIMP Feature Class: Mineral Exploration is comprised of several CIMP features, including selected Mining Exploration, Mining and Milling – Water, Mining Exploration – Mine Shaft.Note: There was no single CIMP feature available to represent Mineral Exploration. Many Camp features are also associated with Mineral Exploration activities.MINE_ACTIVMinesite (Active)Minesites under construction or in production.CIMP Feature Class: Selected Mining Explorationand Mining and Milling – Waterfeatures to represent active mines (i.e., Ekati, Diavik, and Gahcho Kué).Note: Several other data sources were used to supplement the CIMP features, as required.MINE_PASTMinesite (Past or Closed)Past or closed minesites, either abandoned or under active reclamation.CIMP Feature Class: Closed or past mines are represented by selected Mining Explorationor Miscellaneousfeatures from the CIMP database (e.g., Lupin, Jericho, Tundra, Rayrock, etc.).Note: In CIMP database, many past mine footprints were classified as Miscellaneous features; where known, they have been re-classified as MINE_PAST.MISCMiscellaneousA variety of industrial and non-industrial surface disturbances or infrastructure.CIMP Feature Class: Miscellaneous features are represented by several CIMP feature classes, including Miscellaneous, Research Projects, and Unknown.Note: Some Miscellaneous features in CIMP database are old mine sites, quarries, mineral exploration, communications, etc. Where possible, obvious features were classified as a more accurate feature category. Most CIMP database Miscellaneous features are located along Hwy #3 and #4. PORTMarine PortFuture proposed or conceptual marine port facilities in Nunavut on the Arctic coastline (e.g., Grays Bay, Bathurst Inlet).CIMP Feature Class: No equivalent in CIMP database.Note: This feature class was added to represent proposed future port facilities to support mineral development in Nunavut (e.g., Grays Bay as part of Izok Road Corridor, Bathurst Inlet as part of BIPAR concept).POWR_GENPower Generation FacilityHydro power generation facilities (dams, spillways, powerhouses, and associated)CIMP Feature Class: Power Generation Facility(i.e., Snare River, Bluefish, Taltson).Note: associated transmission line clearings and infrastructure is classified as EC (electrical transmission corridor).QUARRYQuarryAny excavation site used for purpose of developing aggregate, sand, crushed rock, etc.CIMP Feature Class: QuarryingNote: Quarry features are likely under-reported in CIMP database. Most occur along existing all-season roads and highways.SETTLEMENTSettlementAny permanent settlement with a recognized municipal boundary (e.g., City of Yellowknife, Whatì, Gametì, etc.)CIMP Feature Class: Community, MunicipalNote: Some settlement areas were manually digitized to better represent direct footprints and built up areas.

Copyright Text: Bathurst Caribou Range Plan Working Group

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