Canvey Island the 30 hectares known as West Canvey marshes, acquired by the RSPB in 2007, and the Canvey Wick nature reserve. Canvey Wick is a designated Site of Special Scientific Interest (SSSI) at the site of the abandoned and incomplete oil refinery. The foundations of the 100 hectare (0.4 sq mile) site were prepared in the 1970s by laying thousands of tonnes of silt dredged from the Thames; the abandoned and undisturbed area has flourished as a haven for around 1,300 species of wildlife, many of which are endangered or were thought to be extinct; including the shrill carder bee, the
Sittingbourne and Sheppey (UK Parliament constituency) Sheppey Central, Teynham and Lynsted, West Downs, and Woodstock. The constituency was created in 1997, mostly from the former seat of Faversham. It covers some of the district of Swale, including Sittingbourne and the Isle of Sheppey. (On Sheppey is Queenborough which was a borough constituency until abolition as a rotten borough in 1832.) The constituency has been a bellwether of the national result since its 1997 creation. Unemployment claimant levels in November 2012 were close to the national average (3.8%) at 4.5%, in line with Cleethorpes, Thurrock, Hammersmith and Meriden. Sittingbourne and Sheppey (UK Parliament constituency) Sittingbourne and Sheppey