Print Report

CEGL006453 Eastern Woodland Vernal Pool

Type Concept Sentence: No Data Available


Common (Translated Scientific) Name: Eastern Woodland Vernal Pool

Colloquial Name: Eastern Woodland Vernal Pool

Hierarchy Level:  Association

Type Concept: This association is characterized by seasonally fluctuating water levels; it may dry out completely in the summer. Hydrology may be affected by impermeable soils, seasonally high water tables, seasonal flooding in nearby streams and drainages, and/or impervious bedrock at or near the surface. The substrate is mineral soil with or without a layer of muck. The species composition is variable among sites, as well as annually and seasonally. Larger examples of this community type may exhibit strong zonation. Many smaller, shaded vernal ponds are unvegetated, their bottoms consisting of dead leaves and algae.

Diagnostic Characteristics: No Data Available

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: Recognition of vernal pool associations is complicated not only by the lack of good data but by the seasonal and spatial variability in composition. The largest factor, however, is that vernal pools are generally defined by their invertebrate and amphibian communities and often do not have characteristic suites of plant species. This type should be considered tentative pending more data.

Similar NVC Types: No Data Available
note: No Data Available

Physiognomy and Structure: No Data Available

Floristics: The species composition is variable among sites, variable annually, and variable seasonally. Larger examples may exhibit strong zonation. Many smaller, shaded vernal ponds are unvegetated, their bottoms consisting of dead leaves and algae. Cover may be sparse and often varies through the season. Species composition is extremely variable, and of the species listed below, only a few are likely to be found on any one site. Typical representatives include Dulichium arundinaceum, Glyceria sp., Leersia oryzoides, Scirpus cyperinus, Lycopus uniflorus, Polygonum spp., Thelypteris palustris, Carex gynandra, Carex crinita, Carex leptonervia, Carex stipata, Carex canescens, Carex vesicaria, Juncus effusus, Bidens spp., Hypericum mutilum, Hypericum canadense, Osmunda cinnamomea, Osmunda regalis, Agrostis scabra, Utricularia geminiscapa, Triadenum virginicum, Sagittaria sp., and Eleocharis spp. Although this community type is predominantly herbaceous, shrubs and small trees may be present. Typical woody species include Vaccinium corymbosum, Lyonia ligustrina, Quercus palustris, Nyssa sylvatica, Acer rubrum, Salix spp., Cephalanthus occidentalis, and Ilex verticillata.

Dynamics:  This community experiences seasonally fluctuating water levels; it may dry out completely in the summer. Hydrology may be affected by impermeable soils, seasonally high water tables, seasonal flooding in nearby streams and drainages, and/or impervious bedrock at or near the surface.

Environmental Description:  This association is characterized by seasonally fluctuating water levels; it may dry out completely in the summer. Hydrology may be affected by impermeable soils, seasonally high water tables, seasonal flooding in nearby streams and drainages, and/or impervious bedrock at or near the surface. The substrate in most vernal pools is mineral soil with or without a layer of muck, but some are boulder-filled depressions. Boulder vernal pools may dry out completely in the summer, and their hydrology is controlled by impervious bedrock below the boulderfield.

Geographic Range: This association occurs in the northeastern U.S., and presumably in adjacent Canada, primarily in glaciated or periglacial areas, from Quebec and New Brunswick south through New York to northern Pennsylvania and northern New Jersey.

Nations: CA,US

States/Provinces:  CT, MA, MD, ME, NH, NJ, NY, PA, RI, VT, WV




Confidence Level: Low

Confidence Level Comments: No Data Available

Grank: G3

Greasons: No Data Available


Concept Lineage: Upgraded to Standard during screening.

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available

Synonomy: = Eastern Woodland Vernal Pool Sparse Vegetation (Perles et al. 2007)

Concept Author(s): Perles et al. (2007)

Author of Description: S.C. Gawler

Acknowledgements: No Data Available

Version Date: 05-01-13

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