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The Exe estuary is an
estuary An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime enviro ...
on the south coast of
Devon Devon ( ; historically also known as Devonshire , ) is a ceremonial county in South West England. It is bordered by the Bristol Channel to the north, Somerset and Dorset to the east, the English Channel to the south, and Cornwall to the west ...
,
England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...
. The estuary starts just to the south () of the city of
Exeter Exeter ( ) is a City status in the United Kingdom, cathedral city and the county town of Devon in South West England. It is situated on the River Exe, approximately northeast of Plymouth and southwest of Bristol. In Roman Britain, Exeter w ...
, and extends south for approximately eight miles to meet the
English Channel The English Channel, also known as the Channel, is an arm of the Atlantic Ocean that separates Southern England from northern France. It links to the southern part of the North Sea by the Strait of Dover at its northeastern end. It is the busi ...
(). The estuary is a ria and so is larger than would be the case given the size of the
River Exe The River Exe ( ) is a river in England that source (river), rises at Exe Head, near the village of Simonsbath, on Exmoor in Somerset, from the Bristol Channel coast, but flows more or less directly due south, so that most of its length lie ...
, the main river feeding into the estuary. On the east shore (from north to south) is the town of Topsham, the villages of Exton and Lympstone and at the estuary mouth, the seaside resort of
Exmouth Exmouth is a harbor, port town, civil parishes in England, civil parish and seaside resort situated on the east bank of the mouth of the River Exe, southeast of Exeter. In 2011 it had a population of 34,432, making Exmouth the List of settl ...
. Opposite Exmouth on the west shore is the village of Dawlish Warren with its sand spit extending across the mouth of the estuary. Above this there are fewer settlements on the west shore, with just the villages of Starcross and Cockwood, both adjoining the lower portion of the estuary. The River Clyst also feeds into the estuary, just below Topsham. The River Kenn feeds into the estuary near Kenton. The soil is
alluvial Alluvium (, ) is loose clay, silt, sand, or gravel that has been deposited by running water in a stream bed, on a floodplain, in an alluvial fan or beach, or in similar settings. Alluvium is also sometimes called alluvial deposit. Alluvium is ...
, derived from
Devonian The Devonian ( ) is a period (geology), geologic period and system (stratigraphy), system of the Paleozoic era (geology), era during the Phanerozoic eon (geology), eon, spanning 60.3 million years from the end of the preceding Silurian per ...
,
Carboniferous The Carboniferous ( ) is a Geologic time scale, geologic period and System (stratigraphy), system of the Paleozoic era (geology), era that spans 60 million years, from the end of the Devonian Period Ma (million years ago) to the beginning of the ...
and
Permian The Permian ( ) is a geologic period and System (stratigraphy), stratigraphic system which spans 47 million years, from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic Period 251.902 Mya. It is the s ...
rocks.


Conservation status

The estuary is a
Special Protection Area A special protection area (SPA) is a designation under the European Union Directive on the Conservation of Wild Birds. Under the Directive, Member States of the European Union (EU) have a duty to safeguard the habitats of migratory birds and cer ...
and SSSI. Parts of the extent designated as Exe Estuary SSSI are owned by the Crown Estate and parts are owned by the
RSPB The Royal Society for the Protection of Birds (RSPB) is a Charitable_organization#United_Kingdom, charitable organisation registered in Charity Commission for England and Wales, England and Wales and in Office of the Scottish Charity Regulator, ...
. It is also a
Ramsar site A Ramsar site is a wetland site designated to be of international importance under the Ramsar Convention,8 ha (O) *** Permanent 8 ha (P) *** Seasonal Intermittent < 8 ha(Ts) **
The Exe Estuary is a site of international importance for wading birds, which feed on the estuary mudflats at low tide, and roost at high tide at the adjacent Dawlish Warren SSSI and Bowling Green Marsh. The
RSPB The Royal Society for the Protection of Birds (RSPB) is a Charitable_organization#United_Kingdom, charitable organisation registered in Charity Commission for England and Wales, England and Wales and in Office of the Scottish Charity Regulator, ...
has two nature reserves adjoining the estuary, at Bowling Green Marsh and Exminster Marshes. Over 10,000 wildfowl and 20,000 waders winter on the estuary. These include dark-bellied brent goose (''Branta bernicla''), Eurasian wigeon (''Anas penelope''), ringed plover (''Charadius hiaticula''), black-tailed godwit (''Limosa limosa''), and pied avocet (''Recurvirostra avosetta''). The Exminster Marshes, a series of fields drained by dykes and ditches, carry several plants rare in
Devon Devon ( ; historically also known as Devonshire , ) is a ceremonial county in South West England. It is bordered by the Bristol Channel to the north, Somerset and Dorset to the east, the English Channel to the south, and Cornwall to the west ...
including
parsley Parsley, or garden parsley (''Petroselinum crispum''), is a species of flowering plant in the family Apiaceae that is native to Greece, Morocco and the former Yugoslavia. It has been introduced and naturalisation (biology), naturalized in Eur ...
, water dropwort ('' Oenanthe lachenalii''), flowering rush ('' Butomus umbellatus'') and frogbit ('' Hydrocharis morsus-ranae''). Dragonflies are also supported, such as the ruddy darter (''Sympetrum sanguineum'') and hairy dragonfly (''Brachytron pratense''). The marshes are bounded by the Exeter Canal. Both are fringed by beds of common reed ''
Phragmites ''Phragmites'' () is a genus of four species of large perennial plant, perennial reed (plant), reed Poaceae, grasses found in wetlands throughout temperate and tropical regions of the world. Taxonomy The World Checklist of Selected Plant Famili ...
australis'', providing important habitat for Old World warblers. Burrowing invertebrates are found in the sandbanks and mudflats. These include lugworm (''Arenicola marina''), peppery furrow shell (''Scrobicularia plana''), tellins '' Macoma'' spp., common cockle ('' Cerastoderma edule''), pod razor (''Ensis siliqua''), sea potato ('' Echinocardium cordatum''), and masked crab ('' Corystes cassivelaunus''). Beds of blue mussels (''Mytilus edulis'') are food for Eurasian oystercatchers (''Haematopus ostralegus''). The estuary is the only British location for the
polychaete Polychaeta () is a paraphyletic class of generally marine Annelid, annelid worms, common name, commonly called bristle worms or polychaetes (). Each body segment has a pair of fleshy protrusions called parapodia that bear many bristles, called c ...
worm ''Ophelia bicornia''.


Access and recreation

The Exe Valley Way Footpath runs south from Starcross, Northwards through the whole of the Exe estuary, and further north to the heights of
Exmoor Exmoor () is loosely defined as an area of hilly open moorland in west Somerset and north Devon in South West England. It is named after the River Exe, the source of which is situated in the centre of the area, two miles north-west of Simons ...
, ending at the source of the
River Exe The River Exe ( ) is a river in England that source (river), rises at Exe Head, near the village of Simonsbath, on Exmoor in Somerset, from the Bristol Channel coast, but flows more or less directly due south, so that most of its length lie ...
- Exe Head. The route covers almost 50 miles.


See also

* Avocet Line


References

{{reflist, 30em


External links


Exe Estuary Management Partnership
- devoted to the improvement of Exe estuary
SSSI Details from Natural England website
Estuaries of England Landforms of Devon Ramsar sites in England Sites of Special Scientific Interest in Devon