Blackwater Estuary
Encyclopedia
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Estuary
An estuary is a partly enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea....
of the Essex River Blackwater
River Blackwater, Essex
The River Blackwater is a river in England. It rises in the northwest of Essex as the River Pant and flows to Bocking, near Braintree, from where its name changes to the Blackwater. Its course takes it near Stisted, and then via Bradwell Juxta Coggeshall and Coggeshall and near Witham where it is...
in south-east England
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...
.
Oyster
Oyster
The word oyster is used as a common name for a number of distinct groups of bivalve molluscs which live in marine or brackish habitats. The valves are highly calcified....
s have been harvested from the estuary for more than a thousand years and there are remains of Anglo-Saxon era
Anglo-Saxons
Anglo-Saxon is a term used by historians to designate the Germanic tribes who invaded and settled the south and east of Great Britain beginning in the early 5th century AD, and the period from their creation of the English nation to the Norman conquest. The Anglo-Saxon Era denotes the period of...
fish traps. At the head of the estuary is the town of Maldon
Maldon, Essex
Maldon is a town on the Blackwater estuary in Essex, England. It is the seat of the Maldon district and starting point of the Chelmer and Blackwater Navigation.Maldon is twinned with the Dutch town of Cuijk...
, which is a centre of salt production. The other major settlement is the town West Mersea
West Mersea
West Mersea is a small town in the Colchester borough of Essex, England. It is the larger of two settlements on Mersea Island, located south east of Colchester. The smaller settlement on the island is the village of East Mersea....
, of Mersea Island
Mersea Island
Mersea Island is the most easterly inhabited island in the United Kingdom, located marginally off the coast of Essex, England, to the southeast of Colchester. It is situated in the estuary area of the Blackwater and Colne rivers and has an area of around...
, on the northern seaward side. Numerous other villages are on its banks.
Within the estuary is Northey Island
Northey Island
Northey Island is an island in the estuary of the River Blackwater, Essex. It is linked to the south bank of the river by a causeway, covered for two hours either side of high tide. The island is approximately 2km to the east of Maldon, Essex and 2km to the west of Osea Island.The whole island and...
which was the location for the first experiments in the UK in 'managed retreat', i.e. creating saltmarsh by setting sea walls back from what are perceived to be unsustainable positions.
Almost 4.4 square kilometres (1.7 sq mi) of the Blackwater Estuary is a designated as Special Protection Area
Special Protection Area
A Special Protection Area or SPA is a designation under the European Union Directive on the Conservation of Wild Birds.Under the Directive, Member States of the European Union have a duty to safeguard the habitats of migratory birds and certain particularly threatened birds.Together with Special...
for wildlife.
Birdlife
The area is notable as a breeding area for Little TernLittle Tern
The Little Tern, Sternula albifrons or Sterna albifrons, is a seabird of the tern family Sternidae. It was formerly placed into the genus Sterna, which now is restricted to the large white terns . The former North American and Red Sea S. a...
Sternula albifrons and as a transit point for Ringed Plover
Ringed Plover
The Common Ringed Plover or Ringed Plover is a small plover.Adults are 17-19.5 cm in length with a 35–41 cm wingspan. They have a grey-brown back and wings, a white belly, and a white breast with one black neckband. They have a brown cap, a white forehead, a black mask around the eyes...
Charadrius hiaticula.
Over-wintering species
- Pied AvocetPied AvocetThe Pied Avocet, Recurvirostra avosetta, is a large black and white wader in the avocet and stilt family, Recurvirostridae. They breed in temperate Europe and western and Central Asia. It is a migratory species and most winter in Africa or southern Asia...
Recurvirostra avosetta; - Black-tailed GodwitBlack-tailed GodwitThe Black-tailed Godwit, Limosa limosa, is a large, long-legged, long-billed shorebird first described by Carolus Linnaeus in 1758. It is a member of the Limosa genus, the godwits...
Limosa limosa islandica; - Dark-bellied Brent Goose Branta bernicla bernicla;
- DunlinDunlinThe Dunlin, Calidris alpina, is a small wader, sometimes separated with the other "stints" in Erolia. It is a circumpolar breeder in Arctic or subarctic regions. Birds that breed in northern Europe and Asia are long-distance migrants, wintering south to Africa, southeast Asia and the Middle East...
Calidris alpina alpina - Eurasian Golden PloverEurasian Golden PloverThe European Golden Plover is a largish plover. This species is similar to two other golden plovers. American Golden Plover, Pluvialis dominiica, and Pacific Golden Plover, Pluvialis fulva, are both smaller, slimmer and relatively longer-legged than European Golden Plover, and both have grey...
Pluvialis apricaria; - Grey PloverGrey PloverThe Grey Plover , known as the Black-bellied Plover in North America, is a medium-sized plover breeding in arctic regions. It is a long-distance migrant, with a nearly worldwide coastal distribution when not breeding....
Pluvialis squatarola; - Hen HarrierHen HarrierThe Hen Harrier or Northern Harrier is a bird of prey. It breeds throughout the northern parts of the northern hemisphere in Canada and the northernmost USA, and in northern Eurasia. This species is polytypic, with two subspecies. Marsh Hawk is a historical name for the American form.It migrates...
Circus cyaneus; - Common RedshankCommon RedshankThe Common Redshank or simply Redshank is an Eurasian wader in the large family Scolopacidae.- Description and systematics :...
Tringa totanus; - Ringed Plover Charadrius hiaticula;
- Ruff Philomachus pugnax;
- Common ShelduckCommon ShelduckThe Common Shelduck is a waterfowl species shelduck genus Tadorna. It is widespread and common in Eurasia, mainly breeding in temperate and wintering in subtropical regions; in winter, it can also be found in the Maghreb...
Tadorna tadorna