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Quercus hemisphaerica - Quercus nigra Forest Alliance | NatureServe Biotics 2019
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Name: Quercus hemisphaerica - Quercus nigra Forest Alliance Reference: NatureServe Biotics 2019 Description: These are dry-mesic to mesic forests of the lower and adjacent upper coastal plains from North Carolina south to Florida and Alabama. This vegetation is characteristically dominated or codominated by the evergreen oak <i>Quercus hemisphaerica</i>, typically with <i>Pinus taeda</i> and <i>Quercus nigra</i>. Other typical tree species in stands of this alliance include <i>Ilex opaca var. opaca, Quercus falcata, Quercus geminata</i>, and <i>Quercus virginiana</i>. Other characteristic species may include <i>Lyonia lucida, Osmanthus americanus var. americanus, Persea borbonia, Persea palustris</i>, and <i>Vitis rotundifolia</i>. One association (CEGL004408) represents an inland hammock or oak dome characterized by an overstory that includes <i>Quercus hemisphaerica</i> and <i>Quercus nigra</i>, with <i>Serenoa repens</i> as a typical, and possibly dominant, shrub-layer species. It is believed that this community develops on sites that would have been occupied by <i>Pinus palustris</i> given sufficiently short fire-return intervals. Representative examples occur in fire-sheltered topographic situations, or in more fire-prone topographic situations as the result of fire suppression. These environments include submesic to xeric upland sands of slopes and bluffs, topographically isolated ridges and other sandy uplands, and swamp islands. Some of these sites are called high hammocks or pioneer hammocks. Soils are typically sandy and nutrient-poor. Examples also occur on nutrient-poor sandy and gravelly sites where the topsoil has been lost due to heavy erosion. These more successional forests on highly eroded nutrient-poor sites may be related to and possibly represent depauperate examples of ~<i>Quercus hemisphaerica - Carya glabra - Magnolia grandiflora</i> Forest Alliance (A0372)$$. The critical environmental parameters of this alliance include longer fire-return times than are found in adjacent pine-dominated vegetation. In natural types, this absence of fire naturally results from topographic position. In early-successional ruderal types, this relative absence of fire is the result of fragmentation of the landscape and loss of fine fuels in remaining fragments.  Accession Code: urn:lsid:vegbank.org:commConcept:38013-{03AC65E5-967F-4AA1-B9AC-2F12F9C677B6} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 25-Nov-2014 to: ongoing
	status: accepted Community's Parent: Quercus hemisphaerica - Quercus geminata - Quercus nigra Coastal Plain Forest Group This Community's Level: Alliance This Community's Children: Show/Hide   Pinus taeda - Quercus hemisphaerica / Osmanthus americanus / Ilex glabra Woodland   Quercus hemisphaerica - Pinus taeda - (Quercus nigra) / Osmanthus americanus var. americanus / Ilex glabra Forest   Quercus hemisphaerica - Quercus (falcata, nigra) / Vaccinium arboreum / Cnidoscolus urens var. stimulosus Forest   Quercus hemisphaerica - Quercus geminata / Persea borbonia - Osmanthus americanus Forest   Quercus virginiana - Quercus (hemisphaerica, nigra) / Serenoa repens Forest		Names:   UID: ELEMENT_GLOBAL.2.898956 NatureServe Explorer   Code: A0053   Translated: Darlington Oak - Water Oak Forest Alliance   Common: Coastal Plain Sand Laurel Oak - Water Oak Forest   Scientific: Quercus hemisphaerica - Quercus nigra Forest Alliance