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  Drivers of peat accumulation rate in a raised bog: impact of drainage, climate, and local vegetation composition

Stivrins, N., Ozola, I., Gałka, M., Kuske, E., Alliksaar, T., Andersen, T. J., Lamentowicz, M., Wulf, S., Reitalu, T. (2017): Drivers of peat accumulation rate in a raised bog: impact of drainage, climate, and local vegetation composition. - Mires and Peat, 19, 8, 1-19.
https://doi.org/10.19189/MaP.2016.OMB.262

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externe Referenz:
http://www.mires-and-peat.net/pages/volumes/map19/map1908.php (Ergänzendes Material)
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Stivrins, N.1, Autor
Ozola, I.1, Autor
Gałka, M.1, Autor
Kuske, E.1, Autor
Alliksaar, T.1, Autor
Andersen, T. J.1, Autor
Lamentowicz, M.1, Autor
Wulf, Sabine2, Autor              
Reitalu, T.1, Autor
5.2 Climate Dynamics and Landscape Evolution, 5.0 Geoarchives, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, Autor              
Affiliations:
1External Organizations, ou_persistent22              
25.1 Geomorphology, 5.0 Geoarchives, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146045              

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Schlagwörter: chronology, macrofossils, testate amoebae, variation partitioning, water level reconstruction
 Zusammenfassung: We used variation partitioning to assess the relative importance of drainage, climate and local vegetation composition for the development of a raised bog. As a case study we selected Teiči (Teici) Bog in Latvia (north-east Europe). Explanatory variables together explained 74 % of the variation in peat accumulation and only the residue of 26 % remained unexplained. Our study showed that the local vegetation composition and dominant Sphagnum species significantly influence peat accumulation rates. The results of linear models revealed that, under natural conditions, minor drainage and even strong drainage of the peat is associated with a positive growth balance of the system. However, drainage systems can have a measurable impact on peatland ecosystems situated farther away. Our study demonstrates that the average peat accumulation rate in Teici Bog over the last 150 years was 3.5 mm per year. Although the peat accumulation rate has been affected by drainage over the last half-century, it is still 2.8 mm per year. There was no strong correlation with the historical climate record, suggesting that the bog area has buffered the influence of climate change over the last 150 years.

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 Datum: 2017
 Publikationsstatus: Final veröffentlicht
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 Identifikatoren: DOI: 10.19189/MaP.2016.OMB.262
GFZPOF: p3 PT3 Earth Surface and Climate Interactions
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Titel: Mires and Peat
Genre der Quelle: Zeitschrift, SCI, Scopus, oa
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Seiten: - Band / Heft: 19 (8) Artikelnummer: - Start- / Endseite: 1 - 19 Identifikator: CoNE: https://gfzpublic.gfz-potsdam.de/cone/journals/resource/170405