Matchedash Bay is a bay

Bay

A bay is an area of water mostly surrounded by land. Bays generally have calmer waters than the surrounding sea, due to the surrounding land blocking some waves and often reducing winds. Bays also exist as an inlet in a lake or pond. A large bay may be called a gulf, a sea, a sound, or a bight...

 and Ramsar

Ramsar list of wetlands of international importance

This is the list of wetlands of international importance as defined by the Ramsar Convention for the conservation and sustainable utilization of wetlands, recognizing the fundamental ecological functions of wetlands and their economic, cultural, scientific, and recreational value.The Convention...

 wetland

Wetland

A wetland is an area of land whose soil is saturated with water either permanently or seasonally. Wetlands are categorised by their characteristic vegetation, which is adapted to these unique soil conditions....

 in Simcoe County in Central Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

. It is the "final inland extension of Severn Sound" on Lake Huron

Lake Huron

Lake Huron is one of the five Great Lakes of North America. Hydrologically, it comprises the larger portion of Lake Michigan-Huron. It is bounded on the east by the Canadian province of Ontario and on the west by the state of Michigan in the United States...

's Georgian Bay

Georgian Bay

Georgian Bay is a large bay of Lake Huron, located entirely within Ontario, Canada...

, and is "situated at the interface between the Saint Lawrence Lowlands

Saint Lawrence Lowlands

The St. Lawrence Lowlands is an ecoregion of Mixedwood Plains and a physiographic region of Canada and the United States. It is sometimes named the "Great Lakes/St. Lawrence Lowlands", but that name improperly includes the Great Lakes Basin which, while it might drain to the Atlantic Ocean by way...

 and the Canadian Shield

Canadian Shield

The Canadian Shield, also called the Laurentian Plateau, or Bouclier Canadien , is a vast geological shield covered by a thin layer of soil that forms the nucleus of the North American or Laurentia craton. It is an area mostly composed of igneous rock which relates to its long volcanic history...

 ". It exhibits geologically unique features at the junction of the Canadian Shield and southern Ontario limestone. Wetland habitats in Matchedash Bay are varied, and include "swamp

Swamp

A swamp is a wetland with some flooding of large areas of land by shallow bodies of water. A swamp generally has a large number of hammocks, or dry-land protrusions, covered by aquatic vegetation, or vegetation that tolerates periodical inundation. The two main types of swamp are "true" or swamp...

s, fen

Fen

A fen is a type of wetland fed by mineral-rich surface water or groundwater. Fens are characterised by their water chemistry, which is neutral or alkaline, with relatively high dissolved mineral levels but few other plant nutrients...

s, cattail marsh

Marsh

In geography, a marsh, or morass, is a type of wetland that is subject to frequent or continuous flood. Typically the water is shallow and features grasses, rushes, reeds, typhas, sedges, other herbaceous plants, and moss....

es, beaver pond

Pond

A pond is a body of standing water, either natural or man-made, that is usually smaller than a lake. A wide variety of man-made bodies of water are classified as ponds, including water gardens, water features and koi ponds; all designed for aesthetic ornamentation as landscape or architectural...

s". Other features include "permanent freshwater lakes; upland hardwood forest, agricultural lands, native grass meadows and a unique, coniferous wetland forest".

A great diversity of species are indigenous to Matchedash Bay, including over 550 species of vascular plants, 34 species of fish

Fish

Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

, 28 species of mammal

Mammal

Mammals are members of a class of air-breathing vertebrate animals characterised by the possession of endothermy, hair, three middle ear bones, and mammary glands functional in mothers with young...

 and 17 species of reptile

Reptile

Reptiles are members of a class of air-breathing, ectothermic vertebrates which are characterized by laying shelled eggs , and having skin covered in scales and/or scutes. They are tetrapods, either having four limbs or being descended from four-limbed ancestors...

s and amphibian

Amphibian

Amphibians , are a class of vertebrate animals including animals such as toads, frogs, caecilians, and salamanders. They are characterized as non-amniote ectothermic tetrapods...

, and supports "one of the greatest diversities of herpeto fauna in Canada". Of the 170 species of bird

Bird

Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

s that nest or breed in Matchedash Bay, some are provincially rare. It is also an important spring and autumn migratory

Bird migration

Bird migration is the regular seasonal journey undertaken by many species of birds. Bird movements include those made in response to changes in food availability, habitat or weather. Sometimes, journeys are not termed "true migration" because they are irregular or in only one direction...

 staging area in the province.

Water levels in Matchedash Bay fluctuate constantly in tandem with Lake Huron and the tributary North River

North River (Ontario)

North River may refer to one of five rivers in Ontario, Canada:*North River in Kenora District, in the Hudson Bay drainage basin, which flows into Marchington Lake on the Marchington River near the unincorporated place of Ghost River*In Nipissing District:...

 and Coldwater River

Coldwater River (Simcoe County)

The Coldwater River is a river in Simcoe County in Central Ontario, Canada. It is in the Great Lakes Basin and flows from the the Oro moraine west of Lake Simcoe to Lake Huron...

.

Ducks Unlimited

Ducks Unlimited

Ducks Unlimited is an international non-profit organization dedicated to the conservation of wetlands and associated upland habitats for waterfowl, other wildlife, and people. It currently has approximately 780,000 members, mostly in the United States and Canada.-Introduction:Ducks Unlimited was...

 has purchased small portions of the site, for example an 18 hectares (44 acre) purchase in 1996, "to ensure permanent protection" of the area. However, Matchedash Bay is a popular recreational area with cottage

Cottage

__toc__In modern usage, a cottage is usually a modest, often cozy dwelling, typically in a rural or semi-rural location. However there are cottage-style dwellings in cities, and in places such as Canada the term exists with no connotations of size at all...

s and marina

Marina

A marina is a dock or basin with moorings and supplies for yachts and small boats.A marina differs from a port in that a marina does not handle large passenger ships or cargo from freighters....

s. Urban growth in the surrounding areas is expected to negatively affect the site and its water quality.