National Capital Region Network Resource Brief: Ash Trees Update - 2021
Matthews E, Schmit J, Nortrup M, Chen HC, National Capital Region Network, Inventory & Monitoring. 2022. National Capital Region Network Resource Brief: Ash Trees Update - 2021. National Park Service
National Capital Region Network Inventory & Monitoring (NCRN I&M) forest monitoring data (2006-2021) shows that density of living ash trees are declining and density of dead ash are increasing. Emerald ash borer (EAB) has killed most of the 300,000 ash trees in National Capital Region parks since 2014. Fewer than 80,000 living ash trees remain. Some ash-dominated swamps transformed into shrublands as ash root systems re-sprouted after EAB attack. In dry habitats, EAB proved more quickly fatal.
- Type
- Resource Brief
- Authors
- Matthews, Elizabeth; Schmit, John Paul; Nortrup, Megan; Chen, Huiqi; National Capital Region Network, Inventory & Monitoring
- Date of Issue
- 2022-04
- Publisher
- National Park Service
- Units
- ANTI , BAWA , CATO , CHOH , GREE , GWMP , HAFE , MANA , MONO , NACE , NCR , NCRN , PISC , PRWI , ROCR , WOTR
- Keywords
- Agrilus planipennis, ANTI, Antietam National Battlefield, ash, CATO, Catoctin Mountain Park, Chesapeake and Ohio Canal National Historical Park, CHOH, EAB, eastern deciduous forest, emerald ash borer, Forest Brief, forest pest, Forest Vegetation, Fraxinus, George Washington Memorial Parkway, GREE, green ash, Greenbelt, GWMP, HAFE, Harpers Ferry National Historical Park, I&M, Inventory & Monitoring, MANA, Manasass National Battlefield Park, MONO, Monocacy National Battlefield, NACE, National Capital Parks - East, National Capital Region, National Capital Region Network, NCR, NCRN, overbrowsing, PISC, Piscataway, Prince William Forest Park, PRWI, pumpkin ash, Rock Creek Park, ROCR, snags, swamp, Trees, Understory, wetland, white ash, Wolf Trap National Park for the Performing Arts, WOTR