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Ammophila breviligulata - Juniperus spp. Great Lakes Dune Grassland Alliance | NatureServe Biotics 2019
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Name: Ammophila breviligulata - Juniperus spp. Great Lakes Dune Grassland Alliance Reference: NatureServe Biotics 2019 Description: This alliance occurs along the Great Lakes shores region of the United States and Canada on stabilized foredunes and in depositional, erosional areas such as slacks in blowouts. Component plant communities vary from sparsely vegetated, active dunes to communities dominated by grasses, shrubs, and trees, depending on the degree of sand deposition, sand erosion, and distance from the lake. Depositional areas, where Great Lakes beachgrass foredunes are found, are dominated by <i>Ammophila breviligulata</i> with erosional areas dominated by <i>Calamovilfa longifolia</i> and stabilized areas dominated by <i>Schizachyrium scoparium</i>. In dune fields and on the most stable dune ridges, low shrubs such as <i>Arctostaphylos uva-ursi, Juniperus communis, Juniperus horizontalis</i>, and <i>Hudsonia tomentosa</i> occupy dune crests, gently to moderately sloping dunes, and also the ground layer in the savanna edge of dunes; elsewhere, deciduous shrubs are dominant, including <i>Prunus pumila</i> and <i>Salix</i> spp. High winds, distance from the lake, and changing lake levels impact this alliance.  Accession Code: urn:lsid:vegbank.org:commConcept:38933-{22FAD866-6DBE-4D66-9AC4-F7B8104AB297} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 18-Dec-2014 to: ongoing
	status: accepted Community's Parent: Juniperus horizontalis - Ammophila breviligulata Coastal Dune & Grassland Group This Community's Level: Alliance This Community's Children: Show/Hide   Ammophila breviligulata - (Schizachyrium scoparium) Grassland   Hudsonia tomentosa Dune Dwarf-shrubland   Hudsonia tomentosa - Lupinus perennis Dwarf-shrubland   Juniperus horizontalis - Arctostaphylos uva-ursi - Juniperus communis Dune Dwarf-shrubland   Prunus pumila - (Ptelea trifoliata) Dune Shrubland		Names:   UID: ELEMENT_GLOBAL.2.899771 NatureServe Explorer   Code: A3719   Translated: American Beachgrass - Juniper species Great Lakes Dune Grassland Alliance   Common: Great Lakes Dune Grassland   Scientific: Ammophila breviligulata - Juniperus spp. Great Lakes Dune Grassland Alliance