Terrestrial Condition Assessment (TCA) Insect and Pathogen Hazard (Map Service)

The 2018 National Insect and Disease Risk Map (NIDRM) developed by USFS-FHAAST indicates locations where forests are stressed and susceptible to outbreaks of native and non-native insects and diseases. These include forests with overly high stand densities, and where soil/site conditions contribute to drought. The basis for assigning risk is the expectation that 25% or more of live basal area (three times the natural background rate of mortality) will die over the next 15 years due to insects and diseases.

Data and Resources

Field Value
accessLevel public
bureauCode {005:96}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier https://data-usfs.hub.arcgis.com/documents/usfs::terrestrial-condition-assessment-tca-insect-and-pathogen-hazard-map-service
issued 2021-01-21
landingPage https://data-usfs.hub.arcgis.com/documents/usfs::terrestrial-condition-assessment-tca-insect-and-pathogen-hazard-map-service
license https://creativecommons.org/licenses/by/4.0/
metadata_type geospatial
modified 2022-06-13
old-spatial -131.3620,6.8980,-65.6380,72.6220
programCode {005:059}
publisher U.S. Forest Service
resource-type Dataset
source_datajson_identifier true
source_hash cb2b8654d5c1f0e2936de5867dde597b7afd0684
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-131.3620, 6.8980], [-131.3620, 72.6220], [-65.6380, 72.6220], [-65.6380, 6.8980], [-131.3620, 6.8980]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • amerigeo
  • amerigeoss
  • ckan
  • eco
  • ecology
  • geo
  • geoss
  • gtac
  • insects
  • national
  • north-america
  • open-data
  • tca
  • united-states
  • usfs
isopen True
license_id cc-by
license_title Creative Commons Attribution
license_url http://www.opendefinition.org/licenses/cc-by
maintainer USFSEnterpriseContent
maintainer_email SM.FS.data@usda.gov
metadata_created 2025-11-20T09:12:02.263206
metadata_modified 2025-11-20T09:12:02.263210
notes The 2018 National Insect and Disease Risk Map (NIDRM) developed by USFS-FHAAST indicates locations where forests are stressed and susceptible to outbreaks of native and non-native insects and diseases. These include forests with overly high stand densities, and where soil/site conditions contribute to drought. The basis for assigning risk is the expectation that 25% or more of live basal area (three times the natural background rate of mortality) will die over the next 15 years due to insects and diseases.
num_resources 2
num_tags 15
title Terrestrial Condition Assessment (TCA) Insect and Pathogen Hazard (Map Service)