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Virtueller Geocache
Niedermoorwiesen im Schwentinetal

 A picturesque landscape with an interesting geological history

von Dr. Geofisch     Deutschland > Schleswig-Holstein > Plön

N 54° 16.055' E 010° 17.291' (WGS84)

 andere Koordinatensysteme
 Größe: kein Behälter
Status: kann gesucht werden
 Versteckt am: 10. August 2010
 Gelistet seit: 10. August 2010
 Letzte Änderung: 04. März 2014
 Listing: https://opencaching.de/OCACAA
Auch gelistet auf: geocaching.com 

15 gefunden
0 nicht gefunden
0 Bemerkungen
2 Beobachter
0 Ignorierer
235 Aufrufe
7 Logbilder
Geokrety-Verlauf

große Karte

   

Zeitlich
Saisonbedingt

Beschreibung    Deutsch  ·  English

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The river Schwentine is approximately 62 kilometers long and flows through the hills of the counties Plön and Ostholstein in Schleswig-Holstein, Germany. On its course, the Schwentine passes through many lakes, among them are the lakes of the “Holsteinische Schweiz”. The name “Schwentine” is derived from the wendic word “Sventana”, which means “holy river”.

The landscape that the Schwentine passes through has been formed after the last glacial period, the Weichselian, 25000 to 12000 years ago. The hills of eastern Schleswig-Holstein denote the end of the glacial advances and consist mostly of end moraines, formed by the material that the glaciers pushed along before them. During the Weichselian glaciation there were five glacial advances in this region. The Schwentine valley was formed mainly by deposits of the third and the fourth advances of the ice.

In the downstream region between Preetz and Raisdorf, the Schwentine flows through a wide valley between two moraines. Originally, there were several meanders of the river in this valley. At the beginning of the 20th century, however, the river was straightened out but the character of the adjacent meadows in the valley could be preserved. A key feature of these meadows is that they are regularly flooded in the winter months.

The meadows of the Schwentine valley are based on fens that developed on glacial deposits. Fens are a particular type of wetland. They form as a consequence of aggradation of lakes or rivers, near the sources of streams, or in depressions with considerable groundwater influence. They contain a large amount of dissolved nutrients, i.e. they are eutrophic, which allows a diverse vegetation to develop. Due to the significant influence of water from rivers, fens generally have a neutral or slightly alkaline pH value.

In contrast, bogs are more acidic and contain only few dissolved minerals. Consequently, the flora that can be found on bogs is rather limited in height and consists mainly of mosses and small shrubs such as Calluna vulgaris etc.

The soils of fens consist of dead plant material that could not be completely decomposed due to the lack of oxygen resulting from the shallow groundwater level in the Schwentine valley. This leads to the formation of peat layers that can reach quite extensive thicknesses.

Question 1: What is the maximum thickness of the peat layers in the Schwentine valley?

In the Schwentine valley, there are different kinds of fens.

Question 2: What types of fens are there and what are the differences between them?

The flora of the meadows of the Schwentine valley consists of a unique species composition. Among them are several endangered species. The character of the meadows is preserved by regular mowing. Furthermore, the adjacent meadows of the Schwentine valley are grazed by cattle throughout the year.

However, at the site you are visiting, you will also find plants that are not typical in this kind of ecosystem. There is a pronounced example right next to the information source near the coordinates.

Question 3: What kind of tree is this?

The coordinates of this cache lead you to a location that gives you a spectacular overview of the fens of the Schwentine valley.

In order to log this earth cache as a find, you need to fulfill two tasks:

1. Send me an eMail message that contains the answers to the three questions above. Please do NOT mention the answers in your log.

2. Take a photo of yourselves at the coordinates and upload it together with your log (optional).

Please go ahead and log this cache once you have sent me your answers. I will get back to you if there is something wrong with your answers.


Enjoy your visit to the Schwentine valley!

Hilfreiches

Dieser Geocache liegt vermutlich in den folgenden Schutzgebieten (Info): FFH-Gebiet Untere Schwentine (Info), Landschaftsschutzgebiet Schwentinetal im Kreis Plön im Verlauf vom Stadtgebiet Preetz bis an die Stadtgrenze Kiel (Info)

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Logeinträge für Niedermoorwiesen im Schwentinetal    gefunden 15x nicht gefunden 0x Hinweis 0x

gefunden 25. Mai 2015 schwarzer Kater hat den Geocache gefunden

Große Radrunde mit im Schwentinental, hier war etwa Halbzeit. Also auch ´ne gute Gelegenheit für eine kleine Pause und zum Studium der Informationstafel.
miau

Bilder für diesen Logeintrag:
NiedermoorwiesenNiedermoorwiesen

gefunden 23. November 2014 Eye Jay hat den Geocache gefunden

Heute zusammen mit TeaJay87 die Schuhsohlen Runde gemacht und dabei diesen EarthCache mitgenommen. T4TC

Bilder für diesen Logeintrag:
PanoramaPanorama

gefunden 18. August 2014 SaFran94 hat den Geocache gefunden

# 4077
Auf unserer Radtour entlang des Schwentinewanderweges kamen wir auch hier vorbei. Die Lösung zu den Fragen 1 und 2 hatte ich schon vor sehr langer Zeit vor Ort ermittelt, jedoch trug der Baum zur Frage 3 damals keine Blätter, so dass ich nicht wusste, um was für eine Art es sich handelte. Aber, wie sagt der Volksmund: Kommt Zeit, kommt Antwort.
T4TC

gefunden 18. August 2014 stalanden hat den Geocache gefunden

Heute lag eine Expedition ins Schwentinetal an. Die gestellten Aufgaben waren gut zu lösen, und wieder sind wir um etwas Wissen reicher!

Danke für die Infos und den Earthcache!

gefunden 17. August 2014 sanchopancho hat den Geocache gefunden

Hallo,
heute waren wir zusammen mit Hein Blöd auf Tour, um die letzten Souvenirs abzugrasen und ein paar schöne Dosen zu suchen.
Zum Abschluss haben wir noch eine kleine Wanderung ins Tal gemacht und haben die Aussicht genossen.
Eine sehr schöne Gegend und ein toller Earthcache.
Vielen Dank und Grüße
sanchopancho