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Important slides for PBL

This presentation explores the composite stratigraphic section spanning 77.2 ka in marine isotope stages (MIS) 5a, 5b, 5c, and late MIS 6 to 5e. It highlights the historical dynamics of lake and wetland environments over approximately 60,000 years, emphasizing the elevational ranges of modern and fossil plant taxa. The study includes vegetation surveys and analysis of taxa found both within and outside the core study area, providing insights into climatic conditions and ecological shifts throughout key Pleistocene periods.

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Important slides for PBL

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  1. Important slides for PBL

  2. 2705 m

  3. Composite Stratigraphic Section 77.2 ka MIS 5a MIS 5b-a MIS 5c-b ~60 kyr of lake and wetlandhistory MIS 5c MIS 5d-c MIS 5e-d Late MIS 6-5e 138.5 ka

  4. Elevational Ranges of Modern and Fossil Plant Taxa Elevation (m) Modern and Fossil Taxa (in veg surveys) Modern and Fossil Taxa (not in veg. surveys but likely living nearby) Within CO Outside CO Fossil Only Extra-local taxa at lower elevations

  5. Alpine peatland (fen), conifers only, cooler than present MIS 5a No trees, cooler than present during MIS 5b Montane mixed-conifer forest Warm like the present, or warmer late MIS 6 to 5c

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