Gretagrund

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

Gretagrund

Gretagrund (Baltic Sea)
Geography
Location	Gulf of Riga
Coordinates	57°44′30″N 23°18′00″E
Administration
Estonia
County	Saare County
Municipality	Ruhnu Parish
Settlement	Ruhnu village

Protected area

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

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.