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Natural Heritage Information Centre

Natural Areas Report: ADOLPHUSTOWN MARSH

Area Id: 7061 Area Type: WET
Alias(es):
Size (ha): 28.5 Significance Level: Provincial

Site District:
Counties:
LENNOX & ADDINGTON
Topographic Maps:
31C/3

UTM Centroid: 18 338500 4879900
Decimal Latitude/Longitude: 44.0564825769012   -77.0159282920552

Description: A Provincially Significant, Coastal wetland complex, made up of two individual wetlands, composed of two wetland types (3% swamp and 97% marsh) (Huizer, 1993).

Vegetation: Dominant Vegetation Forms (Huizer, 1993): 3% deciduous, 7% narrow-leaved emergents, 37% robust emergents, 40% floating and 13% submergent vegetation; Vegetation Communities (Huizer, 1993): One Form W1: submergents- Vallisneria americana, Myriophyllum exalbescens; M2: robust emergents- Typha latifolia, Typha angustifolia; M3: narrow-leaved emergents- Carex utriculata, Phalaris arundinacea; Two Forms W4: floating plants- Nuphar variegatum; submergents- Vallisneria americana, Myriophyllum exalbescens; M5: robust emergents- Scirpus validus, Typha latifolia; submergents- Vallisneria americana, Najas flexilis; M6: robust emergents- Typha latifolia; free-floating plants- Hydrocharis morsus-ranae; M7: narrow-leaved emergents- Carex utriculata, Calamagrostis canadensis; ground cover- Impatiens capensis, Polygonum amphibium; Three Forms M8: robust emergents- Acorus americanus; narrow-leaved emergents- Carex utriculata, Scirpus fluviatilis; ground cover- Polygonum amphibium, Sium suave; M9: narrow-leaved emergents- Carex stricta, Calamagrostis canadensis; broad-leaved emergents- Alisma plantago-aquatica; ground cover- Bidens cernua; S1: deciduous trees- Fraxinus pennsylvanica; broad-leaved emergents- Sagittaria latifolia; free-floating plants- Lemna minor; Four Forms M10: robust emergents- Typha latifolia; narrow-leaved emergents- Phalaris arundinacea; ground cover- Solanum dulcamara, Mitella nuda; free-floating plants- Spirodela polyrhiza, Hydrocharis morsus-ranae; S2: deciduous trees- Salix fragilis, Fraxinus pennsylvanica; tall shrubs- Salix fragilis, Cornus stolonifera; narrow-leaved emergents- Phalaris arundinacea; ground cover- Impatiens capensis, Boehmeria cylindrica;

Landform: Soils (Huizer, 1993): 100% clay/loam; Site Type (Huizer, 1993): 2% palustrine, 8% lacustrine on enclosed bay with barrier beach, and 90% lacustrine exposed to lake;

Representation:

Management Agency:


Minimum Elevation: Maximum Elevation:

References

IdCitation
32476 Huizer, R. 1993. Southern Ontario Wetland Evaluation, Data and Scoring Record- Adolphustown Marsh. Third Edition (March). August 23, 1993. Atkinson & Huizer Biosurveys. Manuscript. 41 pp + 13 pp supplement.

 
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