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:''For the boxer, see Richel Hersisia'' Richel (; (英語:Ridge)), or rather ''De Richel'' (The Ridge), is a permanently dry sandbank in the Wadden Sea, in the gap between the Dutch islands of Vlieland and Terschelling. It is located about 1 kilometer east of the northernmost point of Vlieland and is administered by the municipality of Vlieland. The sandbank has an average surface area of 116 hectares. 〔(VVV Vlieland )〕 It is completely flooded only during extremely high tides. 〔(Milieudefensie ) (Dutch)〕 The island is primarily known as the most important breeding place in the Wadden Sea for grey seals.〔 http://www.we-at-sea.org/index.php?keuze=r1222005-006〕 More than 300 pups are born on Richel in winter. In summer seals seem to prefer areas more sheltered from human contact. The sandbank is also important as a breeding and feeding area for ringed plovers, Kentish plovers, little terns and other bird species. Richel is uninhabited and virtually barren. It is too low to support any permanent vegetation. 〔(ZeeInZicht: guide to the Wadden Sea, the coast and the North Sea )〕 The sandbank is only able to support some temporary colonisation by the grass species sand couch (''Elytrigia juncea''). The ferry between Harlingen and Vlieland passes by Richel, making a detour around the sandbank. During low tide, it is possible to walk to the sandbank from Vlieland (see mudflat hiking) although Richel is off-limits to humans due to its importance as a nature area. Boat trips from Vlieland used to be organised daily during the summer tourist season to observe the seal population on Richel. ==References== 〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Richel」の詳細全文を読む スポンサード リンク
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