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Abbravation: Quaternary Research

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Cambridge University Press

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10.1016/0306-9877(82)90075-5

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1096-0287

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Holocene Paleoenvironmental Change in the Kenyan C

Authors: Curtis W Marean Nina Mudida Kaye E Reed
Publish Date: 1994/05
Volume: 41, Issue: 3, Pages: 376-389
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Abstract

An assemblage of micromammals recovered from the Holocene levels of a rockshelter at 2400 m in the montane forest of the Mau Escarpment were examined with the goal of testing and contributing to prior reconstructions of paleoenvironments in the Central Rift Valley of Kenya Species representation in the assemblage is consistent with a drying of the Rift Valley lakes in the middle Holocene and suggests a decrease in forest accompanied by expanding grasslands near the site Changes in the abundance of grassland species suggests an increase in the frequency of fires probably the result of pastoral burning The body size of the root rat Tachyoryctes splendens decreases from the early Holocene to the middle Holocene and this may indicate increasing aridity or increasing temperature We compare measures of species diversity number of taxa species richness and the Shannon diversity index for both micromammals and macromammals since species diversity may change with paleoenvironmental change The macromammals show no changes in species diversity that are assignable to paleoenvironmental change while the micromammals show a trend toward decreasing diversity from the early to middle Holocene and then show an increase in diversity during the peak of the middle Holocene dry phase though sample size effects may be confounding the patterning

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References

citation title=Late Quaternary shorelines of Lake Naivasha Kenya citation author=Washbourn C K citation publication date=1975 citation journal title=Azania citation volume=10 citation firstpage=77 citation lastpage=92 citation doi=101080/00672707509511614

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Other Papers In This Journal:
  1. Ice-Sheet Glaciation of the Puget Lowland, Washington, during the Vashon Stade (Late Pleistocene) 1
  2. The Timing of Late Pleistocene Mammalian Extinctions in North America
  3. An Altitudinal Cline in Tropical African Grass Floras and Its Paleoecological Significance
  4. Glaciations of the West Coast Range, Tasmania
  5. Tephrochronology of Late Wisconsin Deglaciation and Holocene Glacier Fluctuations Near Glacier Peak, North Cascade Range, Washington
  6. Determining the Exposure Age of a Karst Landscape
  7. Stable Isotope Stratigraphy of a Late Last Interglacial Speleothem from Rana, Northern Norway
  8. Paleoecological Studies at Lake Patzcuaro on the West-Central Mexican Plateau and at Chalco in the Basin of Mexico 1
  9. Some Effects of Partial Recrystallisation on 14 C dating Late Pleistocene Corals and Molluscs
  10. Some Effects of Partial Recrystallisation on 14 C dating Late Pleistocene Corals and Molluscs
  11. Climate Variation and the Rise and Fall of an Andean Civilization
  12. Saharan Dust Transport and High-Latitude Glacial Climatic Variability: The Alboran Sea Record
  13. Pedogenic Gradients for Iron and Aluminum Accumulation and Phosphorus Depletion in Arctic and Alpine Soils as a Function of Time and Climate
  14. Glacial-Marine Sedimentation and Quaternary Glacial History of Marguerite Bay, Antarctic Peninsula
  15. QUA volume 31 issue 1 Cover and Front matter
  16. Paleoclimatic Significance of the Stable Isotopic Composition and Petrology of a Late Pleistocene Stalagmite from Botswana
  17. Mass Balance and Sliding Velocity of the Puget Lobe of the Cordilleran Ice Sheet During the Last Glaciation
  18. Tephrochronology of the Western Gulf of Mexico for the Last 185,000 Years
  19. Is There Evidence for Solar Forcing of Climate in the GISP2 Oxygen Isotope Record?
  20. Plio-Pleistocene Marine-Continental Correlation using Habitat Indicators from Olduvai Gorge, Tanzania
  21. Late Weichselian Marine 14 C Reservoir Ages at the Western Coast of Norway
  22. Late-Glacial and Early Holocene Environmental and Climatic Change at Lake Tambichozero, Southeastern Russian Karelia
  23. The Late Wisconsinan Savanna Terrace in Tributaries to the Upper Mississippi River
  24. The Late Wisconsinan Savanna Terrace in Tributaries to the Upper Mississippi River
  25. Optical Dating of Holocene Dune Sands in the Ferris Dune Field, Wyoming
  26. Fire and Vegetation History from the Coastal Rain Forest of the Western Oregon Coast Range
  27. Alluvial Pollen on the North China Plain
  28. Vegetation, Climate, and Sea Level in the Past 55,000 Years, Hanjiang Delta, Southeastern China
  29. Aspartic Acid Racemization in Late Wisconsin Lake Ontario Sediments
  30. The Classic Marine Isotope Substage 5e
  31. Mire Development and Environmental Change, Barrington Tops, New South Wales, Australia
  32. Significance of Two New Pleistocene Plant Records from Western Europe
  33. Lake Tapps Tephra: An Early Pleistocene Stratigraphic Marker in the Puget Lowland, Washington
  34. Modern and Holocene Pollen Assemblages from Some Small Arctic Lakes on Somerset Island, NWT, Canada
  35. Toward the Definition of Criteria for the Recognition of Artificial Bone Alterations 1
  36. Late Weichselian and Holocene Relative Sea-level History of Bröggerhalvöya, Spitsbergen
  37. A Comparison of Radiolarian and Foraminiferal Paleoecology in the Southern Indian Ocean: New Evidence for the Interhemispheric Timing of Climatic Change
  38. Late Wisconsin Ice-Surface Profile Calculated from Esker Paths and Types, Katahdin Esker System, Maine
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