Lanker See

The Lankans Lake is a lake in the Holstein Switzerland. It is located south of the city Preetz in the district of Plön and is traversed from south to north of the Schwentine.

The Lankans lake is particularly distinguished by its wealth bay. Almost the entire western area from the lake up to the rails of the track Preetz Ash Mountain is a nature reserve.

The Lankans Lake is 323.6 hectares in size, up to 21 m deep and is located about 19 ​​m above sea level. NN. It is divided into a larger northern and a smaller southern section, connected by a little more than 1 m deep flow on. Without islands the length of its shoreline is 17 km. The Lankans lake lies in the municipalities of city Preetz, Kühren, Wahlstorf and Schellhorn.

Description

On the west side of the lake, the rather flat landscape is divided into four large peninsulas and bays since 1995, part of a nature reserve. A first nature reserve was it created on the largest of these peninsulas and bay south already in 1938, the occasion for this was the time included a one here far east located occurrences of the bog bush to protect. Because he has long been deprived of human use, the swamp forest has developed jungle -like and has a high proportion of dead wood on. In the southwest of the lake, a valley follows, in, also since 1995, nature reserve, lies beyond the rails of Kührener pond.

On the opposite east side of the lake is an agricultural larger peninsula. The landscape east of the lake is characterized by a geomorphological interesting Endmoränenstaffel, lie in the gutters except parts of the lake Lankans, other lakes such as Scharsee, the Kolksee, Wielener the lake and the flow of the lakes Schwentine Kronsee and Fuhlensee. Between the Scharsee and joy Holmer bay of the lake Lankans in one of these channels is a former bay of the lake Lankans, who had in 1877 blocked by a dam and drained through a pumping station. The drainage systems are still in place but are no longer used, so that to develop the land at high water level in a wetland.

The Lankans lake reaches in the northern part of joy Holm its greatest depth of about 21 m, the southern part is a maximum of about 6 m deep. The mean depth is 3.8 m in the northern part of the southern part of 3.2 m.

Water level development

In 1915 the area of ​​Lanker See and Kirchsee is given as 454.4 ha, of which about 10 ha on the Kirchsee. In comparison to measurements from 1981 (see above) this results in a difference of 120 ha This area loss is due next natural silting on the anthropogenically induced lowering of the lake level, which has been aimed at the end of the 19th century in the lakes in the basin of the Schwentine. Lag the lake level in 1915 still 20.1 m above sea level. NN, as in 1981 only 19.3 m were measured to 19.5 m above sea level. The island Appelwarder was through this Seespiegelabsenkung to the peninsula. Since the late 80s, however, it was made by an artificial breakthrough back to an island.

The level of Schwentine in Preetz, which agrees well with the Seespiegelniveau the Lankans lake fluctuated 1954-1975 between the extreme values ​​of 18.8 m and 19.9 m above sea level, but mainly the lake level was between 19.0 m and 19 5 m above sea level.

Inflows to Lake Lankans

In addition to the Schwentine which opens in the south at Good Wahlstorf into the lake and leaves him in the north to the Kirchsee, the lake receives significant donations over water inflows from the Kührener pond, the Wielener lake, the Kolksee and the Scharsee. Also, an arm of the Old Schwentine, which flows mostly in the post see, empties in the Kührener mill in the Lankans lake.

Islands in the lake Lankans

In Lankans lake there are about 10 islands and island-like reed beds. The lowering of the lake level, the number of islands rather increased in that shallows now are above the water surface, as that it has made ​​islands peninsulas. The latter is done next Appelwarder even with the top of the largest peninsula on the west side, which is still located in the land survey from 1877 as an island.

Islands in the northern part of the lake Lankans

• Probst Werder ( ' seagull island '): The Probst Werder is known with some hectares the largest island in the lake and have a long ' seagull island '. Here brooding black-headed gulls, gulls, herring gulls, terns, and various species of ducks.
• Appelwarder: Appelwarder is the second largest island, and only since the late 80s, an island once again. It is located at the tip of the northernmost peninsula on the west side of the lake and is part of the nature reserve. Here grow many cowslips. The island is grazed by Galloway cattle.
• Small Werder Werder east of Probst
• Rat Island: This island is overgrown with willows south of the Probst Werder and has only emerged through the Seespiegelabsenkung.

Islands in the southern part of the lake Lankans

• Island of the Sun: The Sun Island is the largest island in the south and the only one that is located already in the land survey of 1877. It is wooded and private reserve.
• Goose Island: A shoal in the west of the southern part that juts out only at low water level on the lake level

Ornithological importance

After the Great Plön Lake of the Lankans lake is among the lakes, the second most important breeding waters of Schleswig-Holstein. Black-necked Grebe, Bittern, Shoveler, Common Goldeneye, Common Snipe, Marsh Harrier, Common Tern, bag Tit, Golden Oriole: On Lanker See the following Red List species breed. In large numbers breeding gadwall and tufted ducks. Other notable breeding birds warbler and reed warbler. For Mauser not find a lot of birds on the lake Lankans because he bidding no protection, large contiguous water area has. According to the Ramsar Convention, the Lankans lake has national importance, especially for Smew, Gadwall, Great Crested Grebe, Shoveler and Goosander.

On Lankans lake and surrounding waters since 1971 longstanding investigations are ongoing at the cave brooding Goldeneye.

Fish fauna

The Lankans lake is managed by the fishing club ASV Preetz. In addition to predatory fish such as pike, perch and zander and catfish occur. At shallower sea regions, reeds and water lilies fields find mirror and common carp, tench and ideal living conditions. White fish such as roach, rudd, bream and ide are represented across the lake in large numbers.