Comparing pollen spectra from modified Tauber traps and moss samples: examples from a selection of woodlands across Europe

This paper compares pollen spectra derived from modified Tauber traps and moss samples from a selection of woodland types from Bulgaria, the Czech Republic, Georgia, Greece, Poland, Switzerland and Wales. The study examines the representation of individual taxa in the two sampling media and aims to...

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Veröffentlicht in:Vegetation history and archaeobotany 2010-08, Vol.19 (4), p.271-283
Hauptverfasser: Pardoe, Heather S., Giesecke, Thomas, van der Knaap, Willem O., Svitavská-Svobodová, Helena, Kvavadze, Eliso V., Panajiotidis, Sampson, Gerasimidis, Achilles, Pidek, Irena A., Zimny, Marcelina, Święta-Musznicka, Joanna, Latałowa, Małgorzata, Noryśkiewicz, Agnieszka M., Bozilova, Elissaveta, Tonkov, Spassimir, Filipova-Marinova, Mariana V., van Leeuwen, Jacqueline F. N., Kalniņa, Laimdota
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Sprache:eng
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Zusammenfassung:This paper compares pollen spectra derived from modified Tauber traps and moss samples from a selection of woodland types from Bulgaria, the Czech Republic, Georgia, Greece, Poland, Switzerland and Wales. The study examines the representation of individual taxa in the two sampling media and aims to ascertain the duration of pollen deposition captured by a moss. The latter aim was pursued through the calculation of dissimilarity indexes to assess how many years of pollen deposited in a pollen trap yield percentage values that are most similar to those obtained from the moss. The results are broadly scattered; the majority of moss samples being most similar to several years of pollen deposition in the adjacent trap. For a selection of samples, a comparison of the pollen accumulation rate in pollen traps with the pollen concentration in the moss per unit surface indicates that the entrapment and/or preservation of individual pollen types in the moss differ from that in the pollen trap. A comparison of the proportion of different taxa in the moss with the pollen spectrum of 2 years of pollen deposition in the trap also revealed large differences. There is a tendency for bisaccate grains such as Pinus and Picea to have a higher representation in moss than in traps but there is considerable regional variation. The results indicate that pollen proportions from moss samples often represent the pollen deposition of one area over several years. However, bisaccate pollen grains tend to be over-represented in moss samples compared to both pollen traps and, potentially, lake sediments.
ISSN:0939-6314
1617-6278
DOI:10.1007/s00334-010-0258-y