Penerf

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Penerf
Estuary of the Penerf

Estuary of the Penerf

Data
Water code FR :  J6514000
location France , Brittany region
River system Penerf
source in the municipality of Berric
47 ° 38 ′ 57 ″  N , 2 ° 31 ′ 56 ″  W
Source height approx.  100  m
muzzle on the municipal boundary of Le Tour-du-Parc and Damgan in the Atlantic Ocean Coordinates: 47 ° 30 ′ 38 "  N , 2 ° 38 ′ 1"  W 47 ° 30 ′ 38 "  N , 2 ° 38 ′ 1"  W
Mouth height 0  m
Height difference approx. 100 m
Bottom slope approx. 4 ‰
length 25 km
Right tributaries Épinay , Sarzeau
Navigable in the mouth section

The Penerf ( Rivière de Penerf , Breton Stêr Penerv ) is a river in France that runs in the Morbihan department in the Brittany region . It rises in the municipality of Berric , generally drains towards the southwest, changing its name several times ( Ruisseau du Guerhec, Ruisseau de la Drague ) and after 25 kilometers it flows into the Atlantic Ocean at the municipal boundary of Le Tour-du-Parc and Damgan . For the last six kilometers, the river is influenced by the tides and forms an estuary .

Places on the river

Natura 2000 area

The Penerf estuary, together with the Suscinio swamp, is a Natura 2000 area (area: 4924 ha). The most important landforms of this protected area are:

  • Inlets: 38%
  • Salt marshes and salt marshes: 22%
  • rivers or estuaries, tidal flats and sandbanks depending on the tides: 13%
  • (wet) pasture land: 14%

Oyster farming

The estuary is economically important as an oyster farming area . The first breeding parks were established in 1858. At that time the European oyster was bred here, which was later replaced by the Portuguese oyster . After a mass extinction around 1970, the Pacific rock oysters were introduced into the Penerf estuary . Today there are 53 farms here, cultivating 225 hectares.

Web links

Commons : Penerf  - collection of images, videos and audio files

Individual evidence

  1. ↑ a b geoportail.fr (1: 16,000)
  2. ↑ a b The information on the length of the river is based on the information about the Penerf at SANDRE (French), accessed on November 27, 2011, rounded to the nearest kilometer.
  3. ↑ Information about the Natura 2000 area