Foxe Basin is a shallow

oceanic basin In hydrology, an oceanic basin (or ocean basin) is anywhere on Earth that is covered by seawater. Geologically, most of the ocean basins are large Structural basin, geologic basins that are below sea level. Most commonly the ocea ...

north of

Hudson Bay Hudson Bay, sometimes called Hudson's Bay (usually historically), is a large body of Saline water, saltwater in northeastern Canada with a surface area of . It is located north of Ontario, west of Quebec, northeast of Manitoba, and southeast o ...

, in

Nunavut Nunavut is the largest and northernmost Provinces and territories of Canada#Territories, territory of Canada. It was separated officially from the Northwest Territories on April 1, 1999, via the ''Nunavut Act'' and the Nunavut Land Claims Agr ...

, Canada, located between

Baffin Island Baffin Island (formerly Baffin Land), in the Canadian territory of Nunavut, is the largest island in Canada, the second-largest island in the Americas (behind Greenland), and the fifth-largest island in the world. Its area is (slightly smal ...

and the

Melville Peninsula Melville Peninsula is a large peninsula in the Canadian Arctic north of Hudson Bay. To the east is Foxe Basin and to the west the Gulf of Boothia. To the north the Fury and Hecla Strait separates it from Baffin Island. To the south Repulse Ba ...

. For most of the year, it is blocked by

sea ice Sea ice arises as seawater freezes. Because ice is less density, dense than water, it floats on the ocean's surface (as does fresh water ice). Sea ice covers about 7% of the Earth's surface and about 12% of the world's oceans. Much of the world' ...

(

fast ice Fast ice (also called ''land-fast ice'', ''landfast ice'', and ''shore-fast ice'') is sea ice or lake ice that is "fastened" to the coastline, to the sea floor along shoals, or to grounded icebergs.Leppäranta, M. 2011. The Drift of Sea Ice. B ...

) and drift ice made up of multiple ice floes. The nutrient-rich cold waters found in the basin are known to be especially favourable to

phytoplankton Phytoplankton () are the autotrophic (self-feeding) components of the plankton community and a key part of ocean and freshwater Aquatic ecosystem, ecosystems. The name comes from the Greek language, Greek words (), meaning 'plant', and (), mea ...

and the numerous islands within it are important bird

habitat In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ...

s, including

Sabine's gull Sabine's gull ( or ) (''Xema sabini'') is a small gull. It is usually treated as the only species placed in the genus ''Xema'', though some authors include it with other gulls in a wide view of the genus ''Larus''. It has also been known histor ...

s and many types of

shorebirds FIle:Vadare - Ystad-2021.jpg, 245px, A flock of Dunlins and Red knots Waders or shorebirds are birds of the order Charadriiformes commonly found wikt:wade#Etymology 1, wading along shorelines and mudflats in order to foraging, forage for food c ...

Bowhead whale The bowhead whale (''Balaena mysticetus''), sometimes called the Greenland right whale, Arctic whale, and polar whale, is a species of baleen whale belonging to the family Balaenidae and is the only living representative of the genus '' Balaena' ...

s migrate to the northern part of the basin each summer. The basin takes its name from the English explorer Luke Foxe who entered the lower part in 1631.

Waterway

Foxe Basin is a broad, predominantly shallow depression, generally less than in depth, while to the south, depths of up to occur. The tidal range decreases from in the southeast to less than in the northwest. During much of the year, landfast ice dominates in the north, while

pack ice Pack or packs may refer to: Music * Packs (band), a Canadian indie rock band * ''Packs'' (album), by Your Old Droog * ''Packs'', a Berner album Places * Pack, Styria, defunct Austrian municipality * Pack, Missouri, United States (US) * ...

prevails towards the south. Foxe Basin itself is rarely ice-free until September, open pack ice being common throughout the summer. Vigorous tidal currents and strong winds keep the ice pack in constant motion and contribute to the numerous

polynya A polynya () is an area of open water surrounded by sea ice. It is now used as a geographical term for an area of unfrozen seawater within otherwise contiguous pack ice or fast ice. It is a loanword from the Russian language, Russian (), whic ...

s and shore leads which are found throughout the region. This same motion, combined with the high sediment content of the water makes the sea ice of Foxe Basin dark and rough, easily distinguishable from other ice in the

Canadian Arctic Northern Canada (), colloquially the North or the Territories, is the vast northernmost region of Canada, variously defined by geography and politics. Politically, the term refers to the three territories of Canada: Yukon, Northwest Territories a ...

. Foxe Basin is connected to the

Gulf of Boothia The Gulf of Boothia is a body of water in Nunavut Nunavut is the largest and northernmost Provinces and territories of Canada#Territories, territory of Canada. It was separated officially from the Northwest Territories on April 1, 19 ...

via the narrow

Fury and Hecla Strait Fury and Hecla Strait is a narrow (from wide) Arctic seawater channel located in the Qikiqtaaluk Region of Nunavut, Canada. Geography Situated between Baffin Island to the north and the Melville Peninsula to the south, it connects Foxe Basin o ...

, and to

and

Hudson Strait Hudson Strait () in Nunavut links the Atlantic Ocean and the Labrador Sea to Hudson Bay in Canada. This strait lies between Baffin Island and Nunavik, with its eastern entrance marked by Cape Chidley in Newfoundland and Labrador and Nunavut ...

via the wide Foxe Channel. It is also connected to Naujaat and Roes Welcome Sound via Frozen Strait.

Coast

The terrain is rocky and rugged in the southern half of the region, and generally low-lying in the north. High

cliff In geography and geology, a cliff or rock face is an area of Rock (geology), rock which has a general angle defined by the vertical, or nearly vertical. Cliffs are formed by the processes of weathering and erosion, with the effect of gravity. ...

s are found across the southern portion of the region, where most of the

seabird Seabirds (also known as marine birds) are birds that are adaptation, adapted to life within the marine ecosystem, marine environment. While seabirds vary greatly in lifestyle, behaviour and physiology, they often exhibit striking convergent ...

s nest. Coastal

marsh In ecology, a marsh is a wetland that is dominated by herbaceous plants rather than by woody plants.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p More in genera ...

es and

tidal flats Mudflats or mud flats, also known as tidal flats or, in Ireland, slob or slobs, are coastal wetlands that form in intertidal areas where sediments have been deposited by tides or rivers. A global analysis published in 2019 suggested that tidal ...

up to in width are found in the vast lowland section of eastern Foxe Basin, as well as in the bays of

Southampton Island Southampton Island (Inuktitut: ''Shugliaq'') is a large island at the entrance to Hudson Bay at Foxe Basin. One of the larger members of the Arctic Archipelago, Southampton Island is part of the Kivalliq Region in Nunavut, Canada. The area of t ...

Wildlife

This is one of the little-known areas of the Canadian

Arctic The Arctic (; . ) is the polar regions of Earth, polar region of Earth that surrounds the North Pole, lying within the Arctic Circle. The Arctic region, from the IERS Reference Meridian travelling east, consists of parts of northern Norway ( ...

, though it is proving to be biologically rich and diverse. The numerous polynyas in northern Foxe Basin support high densities of

bearded seal The bearded seal (''Erignathus barbatus''), also called the square flipper seal, is a medium-sized pinniped that is found in and near to the Arctic Ocean. It gets its Genus, generic name from two Greek language, Greek words (''eri'' and ''gnathos ...

s and the largest

walrus The walrus (''Odobenus rosmarus'') is a large pinniped marine mammal with discontinuous distribution about the North Pole in the Arctic Ocean and subarctic seas of the Northern Hemisphere. It is the only extant species in the family Odobeni ...

herd in Canada (over 6,000 individuals). Ringed seal and

polar bear The polar bear (''Ursus maritimus'') is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can Hybrid (biology), interbreed. The polar bear is the largest extant species of bear ...

are common, with north Southampton Island as one of the highest-density polar bear denning areas in Canada. This area is also an important summering area for the

bowhead whale The bowhead whale (''Balaena mysticetus''), sometimes called the Greenland right whale, Arctic whale, and polar whale, is a species of baleen whale belonging to the family Balaenidae and is the only living representative of the genus '' Balaena' ...

, beluga whale and

narwhal The narwhal (''Monodon monoceros'') is a species of toothed whale native to the Arctic. It is the only member of the genus ''Monodon'' and one of two living representatives of the family Monodontidae. The narwhal is a stocky cetacean with a ...

. Both bowhead whales and belugas winter in the waters of northeastern

. Bowheads were the only known baleen whales to occur in the Hudson Bay, but recently some other species of whale, such as humpback and minke, are confirmed to migrate into the waters as well. The region is the main North American stronghold of the

, with some 10,000 pairs nesting here. Moderate numbers of

black guillemot The black guillemot or tystie (''Cepphus grylle'') is a medium-sized seabird of the Alcidae family, native throughout northern Atlantic coasts and eastern North American coasts. It is resident in much of its range, but large populations from the ...

Arctic tern The Arctic tern (''Sterna paradisaea'') is a tern in the family Laridae. This bird has a circumpolar breeding distribution covering the Arctic and sub-Arctic regions of Europe (as far south as Brittany), Asia, and North America (as far south ...

s and

glaucous ''Glaucous'' (, ) is used to describe the pale grey or bluish-green appearance of the surfaces of some plants, as well as in the names of birds, such as the glaucous gull (''Larus hyperboreus''), glaucous-winged gull (''Larus glaucescens''), ...

herring Herring are various species of forage fish, belonging to the Order (biology), order Clupeiformes. Herring often move in large Shoaling and schooling, schools around fishing banks and near the coast, found particularly in shallow, temperate wate ...

and

ivory Ivory is a hard, white material from the tusks (traditionally from elephants) and Tooth, teeth of animals, that consists mainly of dentine, one of the physical structures of teeth and tusks. The chemical structure of the teeth and tusks of mamm ...

gull Gulls, or colloquially seagulls, are seabirds of the subfamily Larinae. They are most closely related to terns and skimmers, distantly related to auks, and even more distantly related to waders. Until the 21st century, most gulls were placed ...

s also breed here. The Great Plain of the Koukdjuak on Baffin Island is the world's largest

goose A goose (: geese) is a bird of any of several waterfowl species in the family Anatidae. This group comprises the genera '' Anser'' (grey geese and white geese) and '' Branta'' (black geese). Some members of the Tadorninae subfamily (e.g., Egy ...

nesting colony, with upwards of 1.5 million birds, 75 per cent of which are lesser snow geese and the remainder

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

and brant geese. Shorebirds and ducks are also abundant. Several hundred thousand

thick-billed murre The thick-billed murre or Brünnich's guillemot (''Uria lomvia'') is a bird in the auk family (Alcidae). This bird is named after the Danish zoologist Morten Thrane Brünnich. The very deeply black North Pacific subspecies ''Uria lomvia arra'' i ...

s breed on the cliffs of Digges Sound and

Coats Island Coats Island ( Inuktitut: ᐊᑉᐸᑑᕐᔪᐊᖅ, Appatuurjuaq) lies at the northern end of Hudson Bay in the Kivalliq Region of Nunavut. At in size, it is the 107th largest island in the world, and Canada's 24th largest island. The islan ...

to the south.

Status

This region is not yet represented in the national marine conservation areas system. Studies to identify preliminary representative marine areas have yet to be undertaken.

Waterway

Coast

Wildlife

Status

References

Further reading