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Contact information
For information on Wisconsin's natural communities, contact:
Ryan O'Connor
Natural Heritage Inventory Assistant Ecologist
608-266-7714

Lake--Shallow, Soft, Drainage

Need a main photo for this community

State Rank: S3     Global Rank: GNR   what are these ranks?

Definition

General natural community overview

Lakes that are Large (>10 acres), Shallow (< 18 feet), Soft (alkalinity < 50 ppm), and Drainage (both an inlet and outlet, and the main water source is from streams).

The submergent community of this lake type is often dominated by cosmopolitan species like coontail (Ceratophyllum demersum), water milfoils (Myriophyllum spp.), common waterweed (Elodea canadensis), fern-leaf pondweed (Potamogeton robbinsii) and wild celery (Vallisneria americana), even in high quality examples. While less abundant, other submersed species, including large-leaf pondweed (P. amplifolius), and slender naiad (Najas flexilis) provide excellent fish habitat. Floating lilies (Nymphaea odorata and Nuphar variegata) are common along lake margins, especially in shallow sheltered bays. Headwater drainage lakes within this type have the following associated fish species: golden shiner, black bullhead, yellow bullhead, bluegill, largemouth bass. Lowland drainage lakes within this type have the following fish associates: northern pike, black bullhead, yellow bullhead, bluegill, largemouth bass, and black crappie.

Rare animals

Species of Greatest Conservation Need

Wisconsin Wildlife Action Plan graphic

The following Species of Greatest Conservation Need are listed according to their level of association with the Lake--Shallow, Soft, Drainage natural community type, based on the findings in Wisconsin's 2015 Wildlife Action Plan.

Scores: 3 = high association, 2 = moderate association, and 1 = low association. See the key to association scores for complete definitions.

AmphibiansScore
Blanchard's Cricket FrogAcris blanchardi3
Mink FrogLithobates septentrionalis3
Pickerel FrogLithobates palustris2

BeetlesScore
A Crawling Water BeetleHaliplus apostolicus2
A Predaceous Diving BeetleLiodessus obscurellus2
Robust Dubiraphian Riffle BeetleDubiraphia robusta2

BirdsScore
Black TernChlidonias niger2
Common GoldeneyeBucephala clangula2
Purple MartinProgne subis2
Common TernSterna hirundo1
Forster's TernSterna forsteri1

Dragonflies and damselfliesScore
Lake EmeraldSomatochlora cingulata3
Lilypad ForktailIschnura kellicotti3
Mottled DarnerAeshna clepsydra3
Pronghorn ClubtailGomphus graslinellus3
Slaty SkimmerLibellula incesta3
Spatterdock DarnerRhionaeschna mutata3
Unicorn ClubtailArigomphus villosipes3
Alkali BluetEnallagma clausum2
Double-striped BluetEnallagma basidens2
Spangled SkimmerLibellula cyanea2
Painted SkimmerLibellula semifasciata1

FishesScore
Lake ChubsuckerErimyzon sucetta2
Lake SturgeonAcipenser fulvescens2
Least DarterEtheostoma microperca2
Longear SunfishLepomis megalotis2
Pugnose ShinerNotropis anogenus2
Redfin ShinerLythrurus umbratilis1

MammalsScore
Big Brown BatEptesicus fuscus3
Little Brown BatMyotis lucifugus3
Northern Long-eared BatMyotis septentrionalis2
Silver-haired BatLasionycteris noctivagans2
Eastern PipistrellePerimyotis subflavus1
Water ShrewSorex palustris1

ReptilesScore
Blanding's TurtleEmydoidea blandingii3
Eastern RibbonsnakeThamnophis sauritus1

Please see Section 2. Approach and Methods of the Wildlife Action Plan to learn how this information was developed.

Rare plants

The Natural Heritage Inventory has developed scores indicating the degree to which each of Wisconsin's rare plant species is associated with a particular natural community or ecological landscape. This information is similar to that found in the Wildlife Action Plan for animals. As this is a work in progress, we welcome your suggestions and feedback.

Scores: 3 = "significantly associated," 2 = "moderately associated," and 1 = "minimally associated."
Scientific Name Common Name Score
Eleocharis robbinsii Robbins' Spike-rush 1
Littorella uniflora American Shoreweed 2
Nuphar microphylla Small Yellow Pond Lily 2
Potamogeton oakesianus Oakes' Pondweed 2
Potamogeton vaseyi Vasey's Pondweed 2

Landscapes

The following Ecological Landscapes have the best opportunities to manage for Lake--Shallow, Soft, Drainage, based on the Ecological Landscapes of Wisconsin Handbook.


Map of the Ecological Landscapes of Wisconsin.


Major (3 on map)
A major opportunity for sustaining the natural community in the Ecological Landscape exists, either because many significant occurrences of the natural community have been recorded in the landscape or major restoration activities are likely to be successful maintaining the community's composition, structure, and ecological function over a longer period of time.

Important (2 on map)
Although the natural community does not occur extensively or commonly in the Ecological Landscape, one to several occurrences do occur and are important in sustaining the community in the state. In some cases, important opportunities may exist because the natural community may be restricted to just one or a few Ecological Landscapes within the state and there may be a lack of opportunities elsewhere.

Present (1 on map)
The natural community occurs in the Ecological Landscape, but better management opportunities appear to exist in other parts of the state.

Threats/Actions

Wisconsin Wildlife Action Plan graphic

What are conservation actions?

Conservation actions respond to issues or threats, which adversely affect species of greatest conservation need (SGCN) or their habitats. Besides actions such as restoring wetlands or planting resilient tree species in northern communities, research, surveys and monitoring are also among conservation actions described in the WWAP because lack of information can threaten our ability to successfully preserve and care for natural resources.

Threats/issues and conservations actions for natural communities

Photos

There are no photos available for Lake--Shallow, Soft, Drainage at this time. Please consider donating a photo to the Natural Heritage Conservation Program.

Last revised: Tuesday, November 28, 2017