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Pinus banksiana - Pinus spp. - Quercus spp. Barrens Woodland Alliance | NatureServe Biotics 2019
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Name: Pinus banksiana - Pinus spp. - Quercus spp. Barrens Woodland Alliance
Reference: NatureServe Biotics 2019
Description: This alliance is found only in the Great Lakes region, and occurs on dry, sandy sites. Stands have widely spaced individual or clumps of trees with a canopy generally less than 25% but some examples can be more closed (&gt;60%). In the interior of lower Michigan the average tree height is 8 m. The herbaceous layer is dense to moderate. Shrubs are rare to abundant. Graminoids dominate the herbaceous stratum. <i>Schizachyrium scoparium</i> and <i>Carex</i> spp. are widespread in stands of this alliance. <i>Pinus banksiana</i> is the most common tree species, but this alliance includes stands that are dominated to codominated by <i>Quercus ellipsoidalis</i>. Other trees that can be abundant include <i>Pinus resinosa, Pinus strobus, Populus grandidentata, Populus tremuloides</i>, and <i>Quercus macrocarpa</i>. The topography of stands of this alliance is flat to rolling with sandy, acidic, droughty and infertile soils. They occur predominantly on glacial outwash or the sandy beds of former lakes. Fire can be important in maintaining the open structure of this alliance. Near the Great Lakes, changes in water table can impact the composition of this alliance. 
Accession Code: urn:lsid:vegbank.org:commConcept:38243-{A6E44067-3929-4BC3-977D-5F99BD773108}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 18-Dec-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899146 NatureServe ExplorerNatureServe Explorer logo
  Code: A1499
  Translated: Jack Pine - Pine species - Oak species Barrens Woodland Alliance
  Common: Great Lakes Pine - Oak Barrens Woodland
  Scientific: Pinus banksiana - Pinus spp. - Quercus spp. Barrens Woodland Alliance
(convergence) and Synonyms:
(similar) Pinus banksiana - (Pinus resinosa) Wooded Herbaceous Alliance
(similar) A.1499