Department of Conservation and Recreation
NATURAL HERITAGE
THE NATURAL COMMUNITIES OF VIRGINIA
CLASSIFICATION OF ECOLOGICAL COMMUNITY GROUPS
Second Approximation (Version 2.5)
Information current as of February, 2012
LOW-ELEVATION ROCK OUTCROPS AND BARRENSEcological community groups with distributions centered below 1,070 m (3,500 ft) elevation and representing edaphically (or in one case, fire-) controlled woodland, scrub, herbaceous, and moss/lichen vegetation. Low-Elevation Acidic Outcrop Barrens Low-Elevation Basic Outcrop Barrens Limestone and Dolomite Barrens Mountain / Piedmont Calcareous Cliffs Mountain / Piedmont Acidic Cliffs Central Appalachian Shale Barrens |
 Gary P. Fleming |
- Table of Contents
Introduction
- Overview of VA Physiography & Vegetation
- Glossary
- Literature
- Format of Descriptions
- Terrestrial System
- High-Elevation Mountain Communities
- Low-Elevation Mesic Forests
- Low-Elevation Dry and Dry-Mesic Forests and Woodlands
- Dry-Mesic Calcareous Forests
- Basic Oak - Hickory Forests
- Acidic Oak - Hickory Forests
- Montane Mixed Oak & Oak-Hickory Forests
- Oak / Heath Forests
- Eastern White Pine - Hardwood Forests
- Piedmont / Coastal Plain Oak - Beech / Heath Forests
- Carolina Hemlock Forests
- Pine - Oak / Heath Woodlands
- Mountain / Piedmont Acidic Woodlands
- Mountain / Piedmont Basic Woodlands
- Montane Dry Calcareous Forests and Woodlands
- Coastal Plain Dry Calcareous Forests and Woodlands
- Oak - Hickory Woodlands and Savannas
- Piedmont Hardpan Forests
- Low-Elevation Boulderfield Forests
- Low-Elevation Rock Outcrops and Barrens
- Low-Elevation Acidic Outcrop Barrens
- Low-Elevation Basic Outcrop Barrens
- Limestone and Dolomite Barrens
- Mountain / Piedmont Calcareous Cliffs
- Mountain / Piedmont Acidic Cliffs
- Central Appalachian Shale Barrens
- Granitic Flatrocks
- Piedmont Prairies
- Ultramafic Woodlands and Barrens
- Riverside Outcrop Barrens
- Lichen / Bryophyte Nonvascular Boulderfields and Outcrops
- Maritime Zone Communities
- Sandy Woodlands of the Coastal Plain and Outer Piedmont
- Palustrine System
- Alluvial Floodplain Communities
- Bald Cypress - Tupelo Swamps
- Coastal Plain / Piedmont Bottomland Forests
- Floodplain Ponds and Pools
- Semipermanent Impoundments
- Piedmont / Mountain Floodplain Forests
- Piedmont / Mountain Swamp Forests
- Piedmont / Mountain Small-Stream Alluvial Forests
- Sand / Gravel / Mud Bars and Shores
- Rocky Bars and Shores
- Riverside Prairies
- Non-Alluvial Wetlands of the Mountains
- Mountain / Piedmont Basic Seepage Swamps
- Mountain / Piedmont Acidic Seepage Swamps
- High-Elevation Seepage Swamps
- Appalachian Bogs
- Montane Woodland Seeps
- Montane Depression Wetlands
- Calcareous Fens
- Mesic and Wet-Mesic Prairies
- Calcareous Spring Marshes and Muck Fens
- Mafic Fens and Seeps
- Spray Cliffs
- Inland Salt Marshes
- Non-Alluvial Wetlands of the Coastal Plain & Piedmont
- Saturated Peatlands of the Coastal Plain
- Non-Tidal Maritime Wetlands
- Riverine System
- Estuarine System
- Tidal Wetlands
- Tidal Freshwater Marshes
- Tidal Oligohaline Marshes
- Wind-Tidal Oligohaline Marshes
- Tidal Mesohaline and Polyhaline Marshes
- Tidal Shrub Swamps
- Tidal Bald Cypress Forests and Woodlands
- Tidal Hardwood Swamps
- High-Energy Tidal River Shores
- Tidal Freshwater and Oligohaline Aquatic Beds
- Tidal Mesohaline and Polyhaline Aquatic Beds
- Salt Flats
- Salt Scrub
- Marine System