Holocene history of environment and human impact on two islands in the Ostholstein lakeland area, Northern Germany

Holocene history of environment and human impact on two islands in the Ostholstein lakeland area, Northern Germany
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德国北部奥斯特霍尔施泰因湖区两个岛屿的全新世环境历史和人类影响

DOI:
10.1007/s00334-011-0337-8
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发表时间:
2012
影响因子:
2.5
通讯作者:
W. Kirleis
W. Kirleis
中科院分区:
地球科学3区
文献类型:
--
作者:
M. Wieckowska; W. Dörfler; W. Kirleis

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采用古环境方法对德国北方Ostholstein莱克兰两个岛屿上的全新世沉积物岩芯进行了研究。这些岛屿沼泽等孤立地点的记录是小规模植被变化的重要信息来源。花粉,非花粉palynomorphs和宏化石被用来揭示人为影响以及湖泊水位波动。泥炭分解的变化和沉积物中有机物与矿物质含量的比例促进了与过去地下水位的相关性,从而与前湖泊水位。孢粉学调查表明,人类对岛屿的影响在史前时期湖泊水位低或水文条件稳定时期扩大。第一个明显的低水平记录在大约。8210和7740 cal.yrb.p.另一个主要的低水平时期检测到的时间跨度约5290至4600 cal.yrb.p.后,随后的一段时间与潮湿的气候,表明上升和波动的湖泊水位达到高潮约。2420至2180 cal.yrb.p.,第三次下降发生,直到约660 cal.yrb.p.这一时期被中断的湖泊水位的小波动,从约。1770年至1630年cal. yrb. p.和从约。1370 - 1010 cal. yrb. p.
Holocene sediment cores from contemporary terrestrialised kettle holes on two islands in the Ostholstein lakeland area, Northern Germany, were investigated by palaeoenvironmental methods. Records from such isolated locations, such as these island mires, are an important source of information on small-scale vegetation changes. Pollen, non-pollen palynomorphs and macrofossils were used to reveal anthropogenic impact as well as lake level fluctuations. Changes in the peat decomposition and the ratio of organic to minerogenic content in the sediment facilitated correlation with past ground water table levels and accordingly with former lake levels. The palynological surveys indicate that human impact on the islands expanded in prehistoric times during phases of low lake levels or periods of stable hydrological conditions. The first distinct low level is recorded between ca. 8210 and 7740 cal. yrb.p.Another major low level period was detected for the time span from approximately 5290 to 4600 cal. yrb.p.After a subsequent period with a wetter climate, indicated by rising and fluctuating lake levels culminating at ca. 2420 to 2180 cal. yrb.p., a third lowering occurred until about 660 cal. yrb.p.This period was interrupted by minor fluctuations in lake levels from ca. 1770 to 1630 cal. yrb.p.and from ca. 1370 to 1010 cal. yrb.p.
DOI: --
发表时间: 2002
期刊:
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作者:
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发表时间: 2007
影响因子: 2.1
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DOI: 10.1191/0959683605hl884rp
发表时间: 2005
期刊: The Holocene
影响因子: --
作者:
P. Rasmussen
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发表时间: 2010
期刊:
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作者:
D. Enters;D. Enters;E. Kirilova;A. Lotter;A. Lücke;Jörn Parplies;S. Jahns;G. Kuhn;B. Zolitschka
通讯作者: B. Zolitschka
DOI: 10.1016/s0277-3791(02)00182-8
发表时间: 2003
影响因子: 4
作者:
B. Zolitschka;K. Behre;J. Schneider
通讯作者: B. Zolitschka;K. Behre;J. Schneider