Open Space Advisory Board Agenda and Packet 2023 07 12

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Defensible space: The area around a building Fuel: Any combustible material, including where fuels have been treated, cleared, or vegetation, petroleum -based products, homes, reduced to slow the spread of fire and reduce and other man-made materials that might exposure to radiant heat and direct flame (CSFS, 2021; NWCG, 2018). Ecological restoration: The process of assisting the recovery of an ecosystem that has been damaged, degraded, or destroyed (SER, 2004). Home (or structure) hardening: Steps taken to reduce structure ignitability and potential for ember penetration by changing building materials, installation techniques, and structural characteristics of homes and other structures (California Fire Safe Council, 2020). Fire break: A natural or constructed linear feature where all vegetation and organic matter have been removed down to bare mineral soil. Fire breaks are used to stop or slow wildfires or to provide a control line from which to work (NWCG, 2018). Fire-resistant plants (aka, firewise plants or low flammability plants): Plants with structural, chemical, and phenological properties that make them less flammable and more resistant to wildfire. Properties include low resin content, compact stature, and green stems that retain moisture content later in the fire season (Carter et al., 2023). Fire resilient landscape: A socio-ecological system that accepts the presence of fire, whilst preventing significant losses through landscape management, community engagement, and effective recovery (Thacker et al., 2023). combust during a wildfire in the wildland- urban interface (NWCG, 2018). Fuel treatment: Manipulation, combustion, or removal of fuels via burning, mechanical, chemical, biological, or manual means to reduce the likelihood of ignition, lessen potential damage from wildfires, and decrease resistance to control (NWCG, 2018). Fuel break: A natural or constructed linear feature with altered fuel characteristics that result in fire behavior that can be more readily controlled. Fuel breaks differ from fire breaks due to the continued presence of vegetation and organic soil (NWCG, 2018). Greenstrip: A managed linear feature that converts existing vegetation to stands of persistent perennial species with fire- resistant properties and a lower potential for extreme fire behavior (Weise et al., 2023). Wildland urban interface: Any area where the built environment meets wildfire -prone areas —places where wildland fire can move between natural vegetation and the built environment and result in negative impacts on the community (Forge, 2018).