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CEGL005232 Larix laricina - Acer rubrum / (Rhamnus alnifolia, Vaccinium corymbosum) Swamp Forest
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Tamarack - Red Maple / (Alderleaf Buckthorn, Highbush Blueberry) Swamp Forest
Colloquial Name: Southern Tamarack - Red Maple Rich Swamp
Hierarchy Level: Association
Type Concept: This community is found in the central Great Lakes region, including southern Ontario, Canada and the northern parts of the central United States. Stands occur in minerotrophic conditions on glacial outwash drainages, stream headwaters, and kettle depressions. Tree canopy varies from open to closed canopy (25-100% canopy). Larix laricina is the dominant species, with at least 50% cover. Other canopy associates include Acer rubrum, Fraxinus nigra, Betula alleghaniensis and Pinus strobus. The shrub layer contains a diverse mix of species, including Aronia melanocarpa, Ilex verticillata, Dasiphora fruticosa ssp. floribunda, Rhamnus alnifolia, and Vaccinium corymbosum (in the eastern parts of its range). Alnus incana, Lindera benzoin, Toxicodendron vernix, and Viburnum lentago may also be present. The herbaceous layer is also diverse, and includes Carex spp. (including Carex stricta), Calamagrostis canadensis, Impatiens capensis, Symplocarpus foetidus, Saxifraga pensylvanica, Thelypteris palustris and others. The Sphagnum layer is discontinuous to sparse.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: This type (CEGL005232) occurs south of ~Acer rubrum - Fraxinus spp. - Betula papyrifera / Cornus canadensis Swamp Forest (CEGL002071)$$.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: The tree canopy varies from open to closed (25-100% cover). Larix laricina is the dominant species, with at least 50% cover. Other canopy associates include Acer rubrum, Fraxinus nigra, Betula alleghaniensis, and Pinus strobus. The shrub layer contains a diverse mix of species, including Aronia melanocarpa, Ilex verticillata, Dasiphora fruticosa ssp. floribunda (= Pentaphylloides floribunda), Rhamnus alnifolia, and Vaccinium corymbosum (in the eastern parts of its range). Alnus incana, Lindera benzoin, Toxicodendron vernix, and Viburnum lentago may also be present. The herbaceous layer is also diverse, and includes Carex spp. (including Carex stricta), Calamagrostis canadensis, Impatiens capensis, Symplocarpus foetidus, Saxifraga pensylvanica, Thelypteris palustris, and others. The Sphagnum layer is discontinuous to sparse (Anderson 1982, Chapman et al. 1989, MNNHP 1993).
Dynamics: Larch sawfly outbreaks may have periodically opened up the canopy, increasing plant diversity (Chapman et al. 1989). Fires may also have occurred in these stands (E. Epstein pers. comm. 1999). See Sytsma and Pippen (1982) for a discussion of succession in this community.
Environmental Description: This community is found in minerotrophic conditions on glacial outwash drainages, stream headwaters, and kettle depressions in kettle-kame or coarse end moraine topography, and rarely on sandy glacial lakeplains. In at least part of the range (Michigan), the saturated muck soil is neutral due to groundwater infusion, but surface soil layers may be acidic (Chapman et al. 1989). Groundwater maintains saturated conditions throughout the growing season.
Geographic Range: This community is found in the central Great Lakes region, including southern Ontario, Canada, and the northern parts of the central United States, ranging from southern Minnesota east to southern-central Michigan and southern Ontario.
Nations: CA,US
States/Provinces: IN, MI, MN, OH, ON, WI
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.689089
Confidence Level: Low
Confidence Level Comments: No Data Available
Grank: G2G3
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 1 Forest & Woodland Class | C01 | 1 |
| Subclass | 1.B Temperate & Boreal Forest & Woodland Subclass | S15 | 1.B |
| Formation | 1.B.3 Temperate Flooded & Swamp Forest Formation | F026 | 1.B.3 |
| Division | 1.B.3.Na Eastern North American-Great Plains Flooded & Swamp Forest Division | D011 | 1.B.3.Na |
| Macrogroup | 1.B.3.Na.2 Pin Oak - Green Ash - Blackgum Swamp Forest Macrogroup | M503 | 1.B.3.Na.2 |
| Group | 1.B.3.Na.2.h <i>Quercus bicolor - Fagus grandifolia - Acer rubrum</i> Swamp Forest Group | G918 | 1.B.3.Na.2.h |
| Alliance | A4397 Tamarack - White Pine - Red Maple Midwest Swamp Alliance | A4397 | 1.B.3.Na.2.h |
| Association | CEGL005232 Tamarack - Red Maple / (Alderleaf Buckthorn, Highbush Blueberry) Swamp Forest | CEGL005232 | 1.B.3.Na.2.h |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Larix laricina - Acer rubrum / (Rhamnus alnifolia, Vaccinium corymbosum) Forest (Faber-Langendoen 2001) [Tamarack Fen (Southern)]
? Wet Northern Forest (Sytsma and Pippen 1981a)
? Wet Northern Forest (Sytsma and Pippen 1981a)
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