First high-resolution dated records of vegetation and climate changes on the Lake Baikal northern shore in the middle-late Holocene

2006 ◽  
Vol 411 (1) ◽  
pp. 1331-1335 ◽  
Author(s):  
E. V. Bezrukova ◽  
A. V. Belov ◽  
A. A. Abzaeva ◽  
P. P. Letunova ◽  
L. A. Orlova ◽  
...  
Keyword(s):  
High Resolution ◽  
Lake Baikal ◽  
Late Holocene ◽  
Climate Changes ◽  
Northern Shore ◽  
Vegetation And Climate

Climate change and human disturbance of fynbos vegetation during the late Holocene at Princess Vlei, Western Cape, South Africa

The Holocene ◽  
2011 ◽  
Vol 21 (7) ◽  
pp. 1137-1149 ◽  
Author(s):  
F.H. Neumann ◽  
L. Scott ◽  
M.K. Bamford
Keyword(s):  
Anthropogenic Disturbance ◽  
Late Holocene ◽  
Climate Changes ◽  
Western Cape ◽  
Radiocarbon Dates ◽  
The Core ◽  
Pollen Types ◽  
Hydrological System ◽  
Vegetation And Climate ◽  
Floating Mat

Pollen analysis of a core in Princess Vlei in the Fynbos Biome near Cape Town gives a 4150 year record of vegetation and climate changes followed by disturbance by colonial settlers since c. 300 years ago. Their impact replaced climate as a major factor in changing the vegetation. The chronology is based on eight radiocarbon dates. Pollen types such as Restionaceae, Ericaceae, and Proteaceae reflect changes in fynbos. Pollen indicators at the bottom of the core suggest drier conditions followed by an increase in Morella, Cyperaceae and Carpacoce pollen, which might indicate moist conditions c. 3400–2600 cal. yr BP. Drier conditions prevail c. 2600–1900 cal. yr BP. Apparent light disturbance after c. 2000 cal. yr BP might be attributed to Khoi herders. Deeper water and damp surroundings are indicated c. 1900–1000 cal. yr BP. The top of the core shows an increase of Poaceae while Restionaceae decrease with anthropogenic disturbance, including the introduction of neophytes such as Pinus ( c. 300 years ago) and Zea mays. Charcoal percentages point to intense fires after the arrival of the Europeans. Water between 105 and 75 cm indicates the development of a floating mat resulting from changes in the hydrological system possibly connected to disturbances by settlers.

Vegetation and climate changes during the last 8660 cal. a BP in central Mongolia, based on a high-resolution pollen record from Lake Ugii Nuur

2009 ◽  
Vol 54 (9) ◽  
pp. 1579-1589 ◽  
Author(s):  
Wei Wang ◽  
YuZhen Ma ◽  
ZhaoDong Feng ◽  
HongWei Meng ◽  
YanLi Sang ◽  
...  
Keyword(s):  
High Resolution ◽  
Climate Changes ◽  
Pollen Record ◽  
Central Mongolia ◽  
Vegetation And Climate

Late Holocene vegetation and climate changes in the Great Hinggan Mountains, northeast China

2019 ◽  
Vol 532 ◽  
pp. 138-145 ◽  
Author(s):  
Dongxue Han ◽  
Chuanyu Gao ◽  
Zicheng Yu ◽  
Xiaofei Yu ◽  
Yunhui Li ◽  
...  
Keyword(s):  
Northeast China ◽  
Late Holocene ◽  
Climate Changes ◽  
Vegetation And Climate

Pollen-based reconstructions of vegetation and climate changes during the late Holocene in the southern Altai Mountains

The Holocene ◽  
2019 ◽  
Vol 29 (9) ◽  
pp. 1450-1458 ◽  
Author(s):  
Yunpeng Yang ◽  
Dongliang Zhang ◽  
Aizhi Sun ◽  
Wei Wang ◽  
Bo Lan ◽  
...  
Keyword(s):  
Late Holocene ◽  
Climate Changes ◽  
Altai Mountains ◽  
Pollen Data ◽  
Raised Bog ◽  
Increasing Trend ◽  
Surrounding Areas ◽  
Vegetation And Climate ◽  
Peat Area

We here preset a result of high-resolution pollen data of a lacustrine-peat sediment core from Yushenkule (YSKL) Peat, southern Altai Mountains, northwestern China. We aim to reconstruct the palaeovegetation and palaeoclimate variations in the southern Altai Mountains and further evaluate the role of autogenic process of the raised bog itself in driving the local vegetation dynamics. The pollen data of YSKL core-2 show two major vegetation stages in YSKL Peat area and the surrounding areas during the data-covering period. During the stage lasting from ~4870 to ~2550 cal. yr BP, regional vegetation was dominated by desert steppe and local vegetation in YSKL Peat was characterized by Artemisia-dominated mountain steppe. During the stage lasting from ~2550 to ~700 cal. yr BP, regional vegetation was characterized by Artemisia-dominated steppe and local vegetation in YSKL Peat was characterized by Cyperaceae-dominated wetland herbs. The Ar/Am ( Artemisia/Amaranthaceae) ratio-indicated moisture increasing trend of southern Altai Mountains can attribute to the combined effects of decreased temperature and increased precipitation. The lithologic transition from lake to peat of YSKL core-2 can be explained by invoking the variations in the areal extent of ice covers in the Altai Mountains.

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