Arid
DOI10.1016/j.quaint.2015.11.070
The Late-Holocene climate change, vegetation dynamics, lake-level changes and anthropogenic impacts in the Lake Urmia region, NW Iran
Talebi, Taravat1; Ramezani, Elias2; Djamali, Morteza3; Lahijani, Hamid Alizadeh Ketek4; Naqinezhad, Alireza5; Alizadeh, Kamaleddin6; Andrieu-Ponel, Valerie3
通讯作者Ramezani, Elias
来源期刊QUATERNARY INTERNATIONAL
ISSN1040-6182
EISSN1873-4553
出版年2016
卷号408页码:40-51
英文摘要

Two short (100 and 175 cm-long) sediment cores from the southwestern corner of Lake Urmia provide a record of vegetation dynamics, lake-level changes and the role of climate and humans in shaping the landscape around Lake Urmia over the last 2550 years. Relatively low values of arboreal pollen (AP), and substantial values of Artemisia pollen from 2550 to 1500 cal BP indicate the prevalence of steppe vegetation and relatively arid climate in the area. However, a prominent peak of Riella spores may indicate a short-lived lake-level rise for the period 1900-2000 cal BP. The next period, 1500-550 cal BP, is characterized by substantial rise in AP, particularly Quercus, and a sharp decline of Artemisia, Chenopodiaceae/Amaranthaceae and wetland pollen types, suggesting the expansion of oak forests under a rather moist climate and/or a decline in agro-sylvo-pastoral practices in the area. Agricultural activity in the area can be inferred from sporadic occurrences of Vitis, Ricinus and Juglans pollen from the beginning of the record. The rise of saline habitat pollen types between 1100 and 800 cal BP, along with increased values of magnetic susceptibility and organic matter, suggest a lower water level and the subaerial exposure of saline mud flats, which could favour the re-colonization of chenopods and other halophytes around the margins of the lake. Thus, the Medieval Climatic Anomaly seems to be warmer-than-present in the Lake Urmia region. From 450 to 150 cal BP, the decline in Quercus and high values of Artemisia, along with higher lake levels and high magnetic susceptibility values, could be associated with the Little Ice Age. Since 500 cal BP, Quercus and Riella steadily decline and fade out towards the surface of the core, whereas pollen types attributable to steppe and desert vegetation increase. A prominent increase in organic matter in the uppermost part of the record could be associated with a lower lake level and the expansion of wetland vegetation in the recent past. Our findings suggest that the regional forest coverage in the highlands of Zagros and Azerbaijan has reached its minimum during recent decades, while Urmia’s lake level dropped dramatically (increasing its water salinity) most likely as a function of extensive anthropogenic activities and general climate aridification. (C) 2015 Elsevier Ltd and INQUA. All rights reserved.


英文关键词Holocene Rapid climatic changes Anthropogenic activities Vegetation history Riella Lake Urmia
类型Article
语种英语
国家Iran ; France ; Germany
收录类别SCI-E ; SSCI
WOS记录号WOS:000377882700004
WOS关键词LONG POLLEN RECORD ; ICE-AGE ; ZAGROS MOUNTAINS ; EASTERN ANATOLIA ; CASPIAN SEA ; LAND-USE ; HISTORY ; VAN ; BP ; RECONSTRUCTION
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
来源机构French National Research Institute for Sustainable Development
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/195797
作者单位1.Urmia Univ, Orumiyeh, Iran;
2.Urmia Univ, Fac Nat Resources, Dept Forestry, Orumiyeh, Iran;
3.Avignon Univ, Aix Marseille Univ, IMBE, CNRS,IRD,Europole Mediterraneen Arbois, BP 80, F-13545 Aix En Provence 04, France;
4.INIOAS, Tehran, Iran;
5.Univ Mazandaran, Fac Sci, Babol Sar, Mazandaran, Iran;
6.Univ Gottingen, Dept Palynol & Climate Dynam, D-37073 Gottingen, Germany
推荐引用方式
GB/T 7714
Talebi, Taravat,Ramezani, Elias,Djamali, Morteza,et al. The Late-Holocene climate change, vegetation dynamics, lake-level changes and anthropogenic impacts in the Lake Urmia region, NW Iran[J]. French National Research Institute for Sustainable Development,2016,408:40-51.
APA Talebi, Taravat.,Ramezani, Elias.,Djamali, Morteza.,Lahijani, Hamid Alizadeh Ketek.,Naqinezhad, Alireza.,...&Andrieu-Ponel, Valerie.(2016).The Late-Holocene climate change, vegetation dynamics, lake-level changes and anthropogenic impacts in the Lake Urmia region, NW Iran.QUATERNARY INTERNATIONAL,408,40-51.
MLA Talebi, Taravat,et al."The Late-Holocene climate change, vegetation dynamics, lake-level changes and anthropogenic impacts in the Lake Urmia region, NW Iran".QUATERNARY INTERNATIONAL 408(2016):40-51.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Talebi, Taravat]的文章
[Ramezani, Elias]的文章
[Djamali, Morteza]的文章
百度学术
百度学术中相似的文章
[Talebi, Taravat]的文章
[Ramezani, Elias]的文章
[Djamali, Morteza]的文章
必应学术
必应学术中相似的文章
[Talebi, Taravat]的文章
[Ramezani, Elias]的文章
[Djamali, Morteza]的文章
相关权益政策
暂无数据
收藏/分享

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。