]]>*/, 1220 SW 3rd Avenue, Suite 1400Portland, OR 97204 | Get Directions, Climate ChangeEcology, Ecosystems, & EnvironmentEnvironment and PeopleFireForest & Plant HealthForest ProductsInventory, Monitoring, & AnalysisResource Management & UseWildlife (or Fauna), USDA.gov | Policies & Links | Our Performance | Report Fraud on USDA Contracts | Visit OIG | Plain Writing | Get Adobe ReaderFOIA | Accessibility Statement | Privacy Policy | Non-Discrimination Statement | Information Quality | USA.gov | Whitehouse.gov, https://www.fs.usda.gov/pnw/page/invasive-species, Western Wildland Environmental Threat Assessment Center. Wild SpotterTM - Engaging and empowering the public to help find, map, and prevent invasive species in America's wilderness areas, wild rivers, and other natural areas. These measures have helped, but the United States plant protection system remains leaky. Temperate Deciduous Forest Temperature The average daily temperatures range between -30C (-22F) and 30C (86F) with a yearly average of 10C (50F). In Oregon, non-native organisms are arriving and thriving, sometimes at the expense of native fish and wildlife, their habitats, and the states economy. United States. Non-native invasive species cause significant economic damage to landowners by degrading land productivity or values. [CDATA[/* >