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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-7056

Burga, C A; Schartner, M (2008). Sekundäre Moorbildungen abgetorfter Parzellen des Robenhauser Rieds (Pfäffikersee/ZH, Schweiz). In: Dengler, J [et al.]. Flora, Vegetation und Naturschutz zwischen Schleswig-Holstein und Südamerika: Festschrift für Klaus Dierßen zum 60. Geburtstag. Kiel, De, 185-208.



The bog of Robenhausen near Seegräben-Wetzikon (Zurich Oberland) belongs to a peatland complex in the
nature conservation area of the Lake of Pfäffikon which is surrounded by glacial deposits such as moraines
and drumlins. For more than 200 years peat has been used as source of fuel. Since 1996 the bog has become
an important nature-conservation and regional recreation area. Primary and secondary peat build-up
processes have been studied at 12 core drilling sites within this peat bog. Different kinds of peat have been
analysed for plant macro- and microfossils, the degree of peat decomposition and the ratio of organic and
inorganic material. In most cases, core samples provided only small amounts (or none) of primary peat, i.e.
most peat was secondary and originated mainly from transition moors and raised bogs containing the
Spagnum species. Once peat cutting had stopped, peat bog growth at most sites started with an eutrophic
fen-peat and built up 5–70 cm of secondary peat. Typical plants are from the Carex species, Phragmites
communis, Cladium mariscus, Molinia caerulea, Calluna vulgaris, Frangula alnus, Drosera spec. and the
Sphagnum species. Other mosses found locally are Betula pubescens and Pinus sylvestris. Profiles taken in
the peat bog show that the degree of organic decomposition increases from top to bottom. Some profiles
from sites close to the lake shore show an undisturbed build-up of primary peat. This has been caused
through a lowering of the sea level during the 1860’s. Small secondary stands of hairy birch and Scots Pine
are approx. 50 years old (peat cutting stopped ca. 1950). This study provides detailed information to peat
bog regeneration dynamics after a long period of peat cutting. Furthermore, these results can be used to
help maintain this important peatland complex.



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Other titles:Secondary build-up of peat on former peat-cutting sites on moorland at Robenhausen(Lake of Pfäffikon/ZH, Switzerland)
Item Type:Book Section, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Geography
Dewey Decimal Classification:910 Geography & travel
Uncontrolled Keywords:Hochmoor; Moorprofil; Niedermoor; Sphagnum; Torfanalyse; Übergangsmoor; Zersetzungsgrad; Zürcher Oberland, decomposition; fen; mire profile; peat analysis; raised bog; transition moor; Sphagnum
Deposited On:08 Jan 2009 11:52
Last Modified:09 Jul 2012 03:28
Publisher:Arbeitsgemeinschaft Geobotanik in Schleswig-Holstein und Hamburg
Series Name:Mitteilungen der Arbeitsgemeinschaft Geobotanik in Schleswig-Holstein und Hamburg
Additional Information:ISSN der Schriftenreihe: 0344-8002
Official URL:http://ag-geobotanik.ahaco.de/mitt.htm#mitt

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