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Juniperus horizontalis - Ammophila breviligulata Coastal Dune & Grassland Group | NatureServe Biotics 2019
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Name: Juniperus horizontalis - Ammophila breviligulata Coastal Dune & Grassland Group Reference: NatureServe Biotics 2019 Description: This group occurs along the Great Lakes shores region of the United States and Canada. It often occurs within dunal complexes but can also occur on coastal shorelines, on sandy former lake embayments, and sandplains. Component plant communities vary from sparsely vegetated to communities dominated by a combination of grasses, shrubs, and scattered trees, depending on the degree of sand deposition, sand erosion, and distance from the lake. Depositional areas, where Great Lakes beachgrass foredunes and coastal beaches are found, are dominated by <i>Ammophila breviligulata</i> (or in the eastern part of the range <i>Ammophila champlainensis</i>). Erosional areas, such as slacks in blowouts and dunefields, may be dominated by <i>Calamovilfa longifolia</i>, and stabilized areas by <i>Schizachyrium scoparium</i>. Low evergreen shrubs (<i>Arctostaphylos uva-ursi, Juniperus communis, Juniperus horizontalis</i>) occupy dune crests and also the ground layer in the savanna edge of dunes and sandplains. Deciduous shrubs are dominant in many areas and include <i>Prunus pumila, Salix cordata</i>, and <i>Salix myricoides</i>. <i>Populus deltoides</i> can form an open overstory canopy, while <i>Juniperus communis, Juniperus horizontalis, Arctostaphylos uva-ursi</i>, and <i>Koeleria macrantha</i> form a scattered ground layer along low dunefields and sandplains with more advanced plant succession that often follows the first open dunes and swales. Due to lakeshore proximity, heavy winds commonly affect this group.  Accession Code: urn:lsid:vegbank.org:commConcept:39778-{BB68EEB7-29B2-4CA9-92C2-7068B9351E7F} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 05-May-2015 to: ongoing
	status: accepted Community's Parent: Ammophila breviligulata - Uniola paniculata - Solidago sempervirens Dune & Grassland Macrogroup This Community's Level: Group This Community's Children: Show/Hide   Ammophila breviligulata - Juniperus spp. Great Lakes Dune Grassland Alliance   Populus deltoides Dune Woodland Alliance		Names:   UID: ELEMENT_GLOBAL.2.837087 NatureServe Explorer   Code: G089   Scientific: Juniperus horizontalis - Ammophila breviligulata Coastal Dune & Grassland Group