Mettnau is a

peninsula A peninsula (; ) is a landform that extends from a mainland and is surrounded by water on most, but not all of its borders. A peninsula is also sometimes defined as a piece of land bordered by water on three of its sides. Peninsulas exist on all ...

, located east of the town of

Radolfzell Radolfzell am Bodensee is a town in Germany at the western end of Lake Constance approximately 18 km northwest of Konstanz. It is the third largest town, after Constance and Singen, in the district of Konstanz, in Baden-Württemberg. Rado ...

in the western part of

Lake Constance Lake Constance (german: Bodensee, ) refers to three Body of water, bodies of water on the Rhine at the northern foot of the Alps: Upper Lake Constance (''Obersee''), Lower Lake Constance (''Untersee''), and a connecting stretch of the Rhine, ca ...

. It lies between the '' Markelfingen corner'' in the north and the '' Zeller See'' in the south and has a length of 3.5 kilometers and a width of up to 800 meters, a size of 140 hectares.

NABU Nabu ( akk, cuneiform: 𒀭𒀝 Nabû syr, ܢܵܒܼܘܼ\ܢܒܼܘܿ\ܢܵܒܼܘܿ Nāvū or Nvō or Nāvō) is the ancient Mesopotamian patron god of literacy, the rational arts, scribes, and wisdom. Etymology and meaning The Akkadian "nab� ...

Mettnau. A large part of the peninsula is a

nature reserve A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, or features of geological or ...

. The Nature Reserve Mettnau includes a small island name Love Island. It is managed by

Naturschutzbund Deutschland The Naturschutzbund Deutschland e.V. ("Nature and Biodiversity Conservation Union") or NABU is a German non-governmental organisation (NGO) dedicated to conservation at home and abroad, including the protection of rivers, forests and individu ...

on behalf of the

Regierungsbezirk A ' () means "governmental district" and is a type of administrative division in Germany. Four of sixteen ' ( states of Germany) are split into '. Beneath these are rural and urban districts. Saxony has ' (directorate districts) with more res ...

Freiburg Freiburg im Breisgau (; abbreviated as Freiburg i. Br. or Freiburg i. B.; Low Alemannic: ''Friburg im Brisgau''), commonly referred to as Freiburg, is an independent city in Baden-Württemberg, Germany. With a population of about 230,000 (as o ...

. A

spa A spa is a location where mineral-rich spring water (and sometimes seawater) is used to give medicinal baths. Spa towns or spa resorts (including hot springs resorts) typically offer various health treatments, which are also known as balneoth ...

is located on the island, and a field station of the

Bird observatory A bird observatory is a centre for the study of bird migration and bird populations. They are usually focused on local birds, but may also include interest in far-flung areas. Most bird observatories are small operations with a limited staff, man ...

Nature Reserve

The nature reserve of Mettnau was established in 1926 by the town of Radolfzell, but only expanded to its current size of 140 hetctaresin 1984. A

pond A pond is an area filled with water, either natural or artificial, that is smaller than a lake. Defining them to be less than in area, less than deep, and with less than 30% emergent vegetation helps in distinguishing their ecology from th ...

was accidentally created when the peninsula was used as a

landfill A landfill site, also known as a tip, dump, rubbish dump, garbage dump, or dumping ground, is a site for the disposal of waste materials. Landfill is the oldest and most common form of waste disposal, although the systematic burial of the waste ...

. The pond is independent of fluctuations in the water of Lake Constance, making it an attractive place for

hatching Hatching (french: hachure) is an artistic technique used to create tonal or shading effects by drawing (or painting or scribing) closely spaced parallel lines. (It is also used in monochromatic representations of heraldry to indicate what the ...

ducks. It is close to the nutrient-rich shallow-water zones of ''Markelfingen corner'', which provides food for the ducks and their offspring.

References and sources

* Peter Berthold, Karl Mühl and Siegfried Schuster: ''Naturschutzgebiet Halbinsel Mettnau: Geschichte - Natur - Landschaft'', Ornithologische Arbeitsgemeinschaft Bodensee, Constance, 1979

Footnotes

Geography of Lake Constance {{BadenWürttemberg-geo-stub