Environmental and climate changes reflected in the Domuraty 2 section (NE Poland) based on analysis of plant macroremains

• Main Author: Stachowicz-Rybka Renata
• Format: Article
• Language: English
• Published: W. Szafer Institute of Botany, Polish Academy of Sciences 2015-12-01
• Series: Acta Palaeobotanica
• Subjects: plant macroremains; climate changes; Middle Pleistocene; MIS 16-18; NE Poland
• Online Access: http://www.degruyter.com/view/j/acpa.2015.55.issue-2/acpa-2015-0012/acpa-2015-0012.xml?format=INT

Research in the Domuraty 2 section was focused on a series of lacustrine-river-swamp deposits in which the full spectrum of vegetation and climate changes was recognised in a detailed analysis of plant macroremains and a comparison with the results of pollen analysis. Based on plant macrofossil data, two (Dom II, Dom III) of three palynologically documented warm units were distinguished in the Domuraty succession. The palaeobotanical data from the Domuraty succession document several successive local vegetation changes in both interglacial and glacial periods, which can be related to global climate oscillations. The succession of local vegetation stands and changes in the vegetation, climate, water level, and trophy during the period of the Domuraty succession were analysed and compared with corresponding parameters of the Augustovian and Ferdynandovian interglacials. The taxonomically most diverse unit is Warm unit Dom II, with the highest share of taxa with high thermal requirements, which was compared to the older Augustovian (A II) and younger Ferdynandovian (F II) units. The comparison of the Domuratovian interglacial flora to that of the Korchevian interglacial in Belarus shows high similarity; most of the extinct taxa or taxa unknown in the present-day flora are common to the Korchevian and Domuratovian floras, suggesting similar age for these two communities. However, the Domuratovian flora lacks a few species important to the Korchevian flora, such as Stratiotes goretskyi, Carex rostrata-pliocenica, Brasenia sp., Caulinia antiqua, Aldrovanda borysthenica, and A. zusii.