Growth and Yield Plots - Active Status

Growth and Yield Plots - Active Status This layer is the authoritative source for locating Active Status Growth and Yield plots also known as Permanent Sample Plots (PSPs). These plots are protected and require an additional minimum windfirm buffer of 50m radius in the interior and 100m radius on the coast. These are generally 16m radius fixed area. Therefore, protected areas need to be a minimum of 66m radius around the plot centre in the interior and 116m radius on the coast. Best practices are to locate the plot centre on the ground. Coordinate accuracy varies. Please contact Anya Reid (Anya.Reid@gov.bc.ca) with questions or updated coordinates for plots. NOTE: Accuracy of the coordinates are variable. Coordinates for plots with a more recent (since 2000) last measurement are generally quite accurate (3m). However, plots measured in the 1990's have a wide range of coordinate accuracy. In all cases, it is necessary to ground truth plot location before block layout. In this spatial layer, low accuracy coordinates are buffered 300m to ensure they do not get missed from development planning. This layer replaces the [Growth and Yield Samples – Active Status](https://catalogue.data.gov.bc.ca/dataset/0ca49478-5d0f-44e8-b6af-3fd6e387803c) layer with more accurate and current information from the Inventory Sample Management Consolidation (ISMC) database. 2025-04-01 Government of British Columbia anya.reid@gov.bc.ca Nature and EnvironmentScience and TechnologyFAIBForest InventoryForest Stewardship PlansGrowth and YieldISMCInventory Sample ManagementLand Use PlansPSPPermanant Sample PlotPermanent Sample PlotProtectedGovernment information Original metadata (https://catalogue.data.gov.bc.ca)HTML https://catalogue.data.gov.bc.ca/dataset/growth-and-yield-plots-active-status ISMC_PSP_ACTIVE_SITES_SPKML https://openmaps.gov.bc.ca/kml/geo/layers/WHSE_FOREST_VEGETATION.ISMC_PSP_ACTIVE_SITES_SP_loader.kml ISMC_PSP_ACTIVE_SITES_SPWMS https://openmaps.gov.bc.ca/geo/pub/WHSE_FOREST_VEGETATION.ISMC_PSP_ACTIVE_SITES_SP/ows?service=WMS&request=GetCapabilities&layers=pub:WHSE_FOREST_VEGETATION.ISMC_PSP_ACTIVE_SITES_SP&legend_format=image/png&feature_info_type=text/plain ISMC_PSP_ACTIVE_SITES_SPWMS https://openmaps.gov.bc.ca/geo/pub/WHSE_FOREST_VEGETATION.ISMC_PSP_ACTIVE_SITES_SP/ows?service=WMS&request=GetCapabilities&layers=pub:WHSE_FOREST_VEGETATION.ISMC_PSP_ACTIVE_SITES_SP&legend_format=image/png&feature_info_type=text/plain

This layer is the authoritative source for locating Active Status Growth and Yield plots also known as Permanent Sample Plots (PSPs). These plots are protected and require an additional minimum windfirm buffer of 50m radius in the interior and 100m radius on the coast. These are generally 16m radius fixed area. Therefore, protected areas need to be a minimum of 66m radius around the plot centre in the interior and 116m radius on the coast. Best practices are to locate the plot centre on the ground. Coordinate accuracy varies. Please contact Anya Reid (Anya.Reid@gov.bc.ca) with questions or updated coordinates for plots. NOTE: Accuracy of the coordinates are variable. Coordinates for plots with a more recent (since 2000) last measurement are generally quite accurate (3m). However, plots measured in the 1990's have a wide range of coordinate accuracy. In all cases, it is necessary to ground truth plot location before block layout. In this spatial layer, low accuracy coordinates are buffered 300m to ensure they do not get missed from development planning. This layer replaces the Growth and Yield Samples – Active Status layer with more accurate and current information from the Inventory Sample Management Consolidation (ISMC) database.

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