Vegetation Classification and Mapping Project Report - USGS

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USGS-NPS Vegetation Mapping Program Colonial National Historical Park Similar Associations: • Pinus taeda - Liriodendron tulipifera / Acer saccharum Successional Forest (CEGL007105). • Pinus taeda - Quercus (falcata, hemisphaerica, nigra) - Liquidambar styraciflua / Rhus copallinum - Vaccinium stamineum Forest (CEGL008450). • Pinus taeda / Liquidambar styraciflua - Acer rubrum var. rubrum / Vaccinium stamineum Forest (CEGL006011)--develops when stands develop typical two-layered structure with well-developed subcanopy. • Pinus taeda / Rhus copallinum Managed Forest (CEGL007108)--may replace this association as stands mature. • Pinus taeda / Saccharum alopecuroidum - (Andropogon spp.) Forest (CEGL007109). Related Concepts: • Loblolly Pine: 81 (Eyre 1980) B SOURCES Description Authors: A. S. Weakley, mod. L. A. Sneddon. References: ALNHP 2002, Doyle and Allard 1990, Eyre 1980, Hoagland 1998, Hoagland 2000, Jones et al. 1981, Schotz pers. comm., Southeastern Ecology Working Group n.d., TDNH unpubl. data, TNC 1998. Figure I1. Loblolly Pine Plantation at Colonial National Historical Park. August 2003. NAD 1983 / UTM easting 343329, northing 4120950. Photo by NCSU-CEO. 182
USGS-NPS Vegetation Mapping Program Colonial National Historical Park COMMON NAME (PARK-SPECIFIC): SUCCESSIONAL TREE-OF-HEAVEN FOREST SYNONYMS USNVC English Name: Tree-of-Heaven Forest USNVC Scientific Name: Ailanthus altissima Forest USNVC Identifier: CEGL007191 LOCAL INFORMATION Environmental Description: These forests occur on rich substrates, in disturbed situations, on gently sloping uplands. Vegetation Description: Successional Tree-of-Heaven Forest includes stands dominated by the alien tree Ailanthus altissima (tree of heaven). These forests occur on rich substrates, highly disturbed situations on slopes and in urban or developed areas. In Colonial National Historical Park, these stands may have a mix of Pinus taeda (loblolly pine) with an herb layer dominated by Microstegium vimineum (Nepalese browntop). Most Abundant Species: Stratum Lifeform Species Tree canopy Broad-leaved deciduous tree Ailanthus altissima (tree of heaven) Characteristic Species: Ailanthus altissima (tree of heaven). Other Noteworthy Species: Information not available. Subnational Distribution with Crosswalk Data: State SRank Rel Conf SName Reference VA SNA . . [not crosswalked] . Local Range: Successional Tree-of-Heaven Forest is mapped as a single polygon in Yorktown Battlefield, just north of Wormley Pond. It covers 4.0 hectares (10.0 acres). Classification Comments: This mapping unit is distinguished by the dominance of Ailanthus altissima (tree of heaven). Other Comments: Information not available. Local Description Authors: K. D. Patterson. Plots: None. Colonial National Historical Park Inventory Notes: Information not available. GLOBAL INFORMATION USNVC CLASSIFICATION Physiognomic Class Forest (I) Physiognomic Subclass Deciduous forest (I.B.) Physiognomic Group Cold-deciduous forest (I.B.2.) Physiognomic Subgroup Natural/Semi-natural cold-deciduous forest (I.B.2.N.) Formation Lowland or submontane cold-deciduous forest (I.B.2.N.a.) Alliance Ailanthus altissima Forest Alliance (A.221) Alliance (English name) Tree-of-Heaven Forest Alliance Association Ailanthus altissima Forest Association (English name) Tree-of-Heaven Forest Ecological System(s): Central Appalachian Alkaline Glade and Woodland (CES202.602). 183
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