Gretagrund (or Greta-Grund) is a shoal located a few km southeast of Ruhnu island in the Gulf of Riga, Estonia.

Gretagrund
Gretagrund is located in Baltic Sea
Gretagrund
Gretagrund (Baltic Sea)
Map
Geography
LocationGulf of Riga
Coordinates57°44′30″N 23°18′00″E / 57.74167°N 23.30000°E / 57.74167; 23.30000
Administration
Estonia
CountySaare County
MunicipalityRuhnu Parish
SettlementRuhnu village

Protected area

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Since 12 August 2010 the 146.50 km2 (56.56 sq mi; 36,200 acres) water area was taken under protection as being a habitat for the following migratory birds: Black-throated loon (Gavia arctica), little gull (Larus minutus), red-throated loon (Gavia stellata), long-tailed duck (Clangula hyemalis), velvet scoter (Melanitta fusca) and razorbill (Alca torda).[1][2] During a survey in 2008, Paramysis intermedia (from genus Paramysis) was found in Gretagrund as a new species in the Baltic Sea.[3]

References

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  1. ^ "Gretagrundi hoiuala võetakse kaitse alla". ERR (in Estonian). 12 August 2010. Retrieved 9 August 2011.
  2. ^ "Gretagrundi hoiuala" (in Estonian). Keskkonnaregister. Retrieved 9 August 2011.
  3. ^ "Mereala loodusväärtuste uuringu käigus leiti Ruhnu lähedalt uus liik" (in Estonian). Bioneer. 17 February 2009. Archived from the original on 24 March 2012. Retrieved 9 August 2011.