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Holocene 16 (2)
Title
The title of the publication or report
Title:
Holocene 16 (2)
Series
The series the publication or report is included in
Series:
The Holocene
Volume
Volume number and part
Volume:
16 (2)
Publication Type
The type of publication - report, monograph, journal article or chapter from a book
Publication Type:
Journal
Editor
The editor of the publication or report
Editor:
John A Matthews
Publisher
The publisher of the publication or report
Publisher:
Sage Publications
Year of Publication
The year the book, article or report was published
Year of Publication:
2006
Source
Where the record has come from or which dataset it was orginally included in.
Source:
BIAB (The British & Irish Archaeological Bibliography (BIAB))
Relations
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Relations:
URI:
http://hol.sagepub.com/content/vol16/issue2/
Created Date
The date the record of the pubication was first entered
Created Date:
02 May 2007
Please click on an Article link to go to the Article Details.
Article Title
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Page
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Abstract
Rapid climate change during the early Holocene in western Europe and Greenland
Sushma Prasad
Achim Brauer
Bert Rein
Jörg F W Negendank
153 - 158
Based on microfacies analyses of seasonally laminated varved sediments from Lake Holzmaar, Germany, the authors report evidence of decadal- to century-scale climate variability during the early Holocene. The shifts in climate are documented in the thickness variations and changes in the composition of the varves in response to subtle shifts in limnological conditions. The close similarity between the Holzmaar varve record and the GRIP oxygen isotope record during 7.4-9.0 calendar (cal) ka suggests that the high frequency climatic variations in both regions were controlled by the same mechanism. Our more detailed studies covering the central 409-year period (~7.846-8.255 cal ka, encompassing the 8.2 ka event) document for the first time, on a seasonal scale, the changing precipitation regimes in western Europe during these climate shifts. They show that winters were drier and summers shorter and cooler in western Europe during colder periods in Greenland; that, in contrast to the present-day climate in the Holzmaar region, summer rains were clearly reduced during the early Holocene, and that the climate not only changed rapidly (< 5 years) but recurring drier events were common during the studied period. In the Holzmaar record, the 8.2 ka event is the most prominent and longest of a series of short-term clirnatic oscillations.
Holocene fire in the Scottish Highlands: evidence from macroscopic charcoal records
C A Froyd
235 - 249
It has been hypothesized that the mid-Holocene decline of pine (Pinus sylvestris L.) woodland in the Scottish Highlands may have been the result of a change in the fire regime of the region. Little is known about the Holocene fire history of these forests, although a number of factors suggest that fire may have played a significant role. This study examines whether fire was a prevalent factor in Scotland over the course of the Holocene and its relationship with Highland vegetation communities. Both macroscopic and microscopic charcoal are analysed in conjunction with a full palynological investigation from four Holocene lake sedimentary sequences in locations throughout the Scottish Highlands. Comparison of macroscopic charcoal abundance profiles with those from areas of known wildfire activity and the consistent pattern of burning revealed across the four disparate Highland sites indicate that broad-scale burning of vegetation did occur. Charcoal abundance was related to vegetation composition at all four of the sites examined. The abundance of pine, however, was found to be unrelated to fire history. Instead, fire appears to be predominantly linked to the development of heath and blanket mire communities. Analysis of three different macroscopic charcoal size fractions (? 500 gm, 250-500 gm and 125-250 gm) revealed strong correlations between measures. Microscopic charcoal abundance, however, was more variable and was determined to be a less accurate measure of local catchment-scale burning within the region.