Official Weiher II

Official Weiher II
Geographical location	Andelfingen District , Canton of Zurich , Switzerland
Tributaries	Seegraben
Drain	Seegraben (Bruggbach) → Mederbach → Thur
Location close to the shore	Ossingen
Data
Coordinates	694 649  /  275753 coordinates: 47 ° 37 '32.2 "  N , 8 ° 41' 52.1"  O ; CH1903:  six hundred ninety-four thousand six hundred forty-nine  /  275753
Altitude above sea level	408  m above sea level M.
surface	0.8 ha
length	165 m
width	50 m
scope	approx. 438 m
particularities	historical peat cut pond

The Amtweiher I is a pond created by peat cutting in the Second World War on the Kleinandelfinger Seenplatte near the Husemersee , which lies between Ossingen and Trüllikon in the canton of Zurich in Switzerland .

The lake is located in a shallow basin northwest of the Husemersee and is supplied with water from the Amtweiher I via a 40 m long canal. The pond drains into the Thur via the waters called Seegraben or Bruggbach . The Office Weiher II is rich in dragonflies and is used by beavers inhabited. The area around the pond is polluted with neophytes , mainly goldenrods , which are regularly removed by those doing community service . The lake threatens to silt up without care, which is why the seaweed has to be removed. The use of the lake's fish stock is leased.

Husemersee and the surrounding ponds. The Amtweiher II is located in the northwest of the map

Individual proof

1. ↑ Hansruedi Wildermuth: Development of the dragonfly fauna (Odonata) on Husemersee (Canton Zurich) over the last 130 years . ( naturwissenschaften.ch [PDF; 8.4 MB ]).
2. ↑ Geoserver of the Swiss Federal Administration ( information )
3. ↑ Annual report 2019 . Grünwerk / Baldegger Association, S. 14 ( Verein-gruenwerk.ch [PDF; 3.1 MB ]).
4. ^ Waters, fighting seaweed in the official ponds. In: Wydeblatt. Municipality of Ossingen, June 2006, p. 3 , accessed on May 24, 2020 .