Schermer (1633–1635), and Haarlemmermeerpolder (1852). Polders created as part of the Zuiderzee Works include Wieringermeerpolder (1930), Noordoostpolder (1942) and Flevopolder (1956–1968) Examples of polders Brazil Several cities on the Paraíba Valley region (in the São Paulo (state)) have polders on land claimed from the floodplains around the Paraíba do Sul river. Bangladesh Bangladesh has 139 polders, of which 49 are sea-facing, while the rest are along the numerous distributaries of the Ganges-Brahmaputra-Meghna River delta. These were constructed in the 1960s to protect the coast from tidal flooding and reduce salinity incursion. They reduce long-term flooding and waterlogging following storm surges from tropical cyclones. They are also cultivated for agriculture. Belgium De Moeren, near Veurne in West Flanders Polders along the Yser river between Nieuwpoort and Diksmuide Polders of Muisbroek and Ettenhoven, in Ekeren and Hoevenen Polder of Stabroek, in Stabroek Kabeljauwpolder, in Zandvliet Scheldepolders on the left bank of the Scheldt Uitkerkse polders, near Blankenberge in West Flanders Prosperpolder, near Doel, Antwerp and Kieldrecht. Canada Tantramar Marshes Holland Marsh Pitt Polder Ecological Reserve Grand Pré, Nova Scotia Minas Basin China The city of Kunshan has over 100 polders. History The Jiangnan region, at the Yangtze River Delta, has a long history of constructing polders. Most of these projects were performed between the 10th and 13th centuries. The Chinese government also assisted local communities in constructing dikes for swampland water drainage. The Lijia (里甲) self-monitoring system of 110 households under a lizhang (里长) headman was used for the purposes of service administration and tax collection in the polder, with a liangzhang (粮长, grain chief) responsible for maintaining the water system and a tangzhang (塘长, dike chief）for polder maintenance. Denmark Filsø Lammefjorden Finland Söderfjärden Munsmo Two polders ( in total) near Vassor in Korsholm France Marais Poitevin Les Moëres, adjacent to the Flemish polder De Moeren in Belgium. Germany In Germany, land reclaimed by diking is called a koog. The German Deichgraf system was similar to the Dutch and is widely known from Theodor Storm's novella The Rider on the White Horse. Altes Land near Hamburg Blockland and Hollerland near Bremen Nordstrand, Germany Bormerkoog and Meggerkoog near Friedrichstadt 36 koogs in the district of Nordfriesland 12 koogs in the district of Dithmarschen In southern Germany, the term polder is used for retention basins recreated by opening dikes during river floodplain restoration, a meaning somewhat opposite to that in coastal context. Guyana Black