当前位置: X-MOL 学术J. South Am. Earth Sci. › 论文详情
Quaternary non-marine ostracods of Runtuyoc lake, northern Argentina: New taxonomic descriptions and the implication for Holocene paleoenvironment
Journal of South American Earth Sciences ( IF 1.704 ) Pub Date : 2019-12-05 , DOI: 10.1016/j.jsames.2019.102451
D. Sabina D'Ambrosio, Leandro D. Rojo, Sonia L. Fontana

We performed an ostracod taxonomic analysis on samples from a shallow lake (Runtuyoc Lake) in north-western Argentina in order to contribute to the understanding of the evolution of this water body through the last 5000 years. The ostracod assemblages consist of 15 species, two species exclusively from modern samples (Herpetocypris helenae and Chlamydotheca incisa), 8 exclusively from Quaternary samples (Limnocythere jujunensis sp. nov., L. titicaca, L. alexanderi, L. aff. staplini, Cyprideis salebrosa, Penthesilenula incae, Cypridopsis vidua, Sarscypridopsis aculeata) and 5 from both, modern and Quaternary samples (Ilyocypris ramirezi, Potamocypris smaragdina, Heterocypris incongruens, Heterocypris similis, Candona sp.). The lake is located in the Miraflores river course and is characterized nowadays by freshwater conditions, but a saline past is evident as it went through different periods of desiccation. From 5500 to 3000 cal a BP, the lake was absent, probably related to extreme dry conditions. Then, water inputs into the lake produced a saline shallow lake until to reach modern setting as a freshwater body basin. Runtuyoc lake records, supports the regional environmental trending change for the Argentinian northwest, with wetter conditions in the early and late Holocene, and arid for the middle Holocene at least from 5500 to 3000/2500 cal a BP.

更新日期:2019-12-05

 

全部期刊列表>>
物理学研究前沿热点精选期刊推荐
chemistry
《自然》编辑与您分享如何成为优质审稿人-信息流
欢迎报名注册2020量子在线大会
化学领域亟待解决的问题
材料学研究精选新
GIANT
自然职场线上招聘会
ACS ES&T Engineering
ACS ES&T Water
ACS Publications填问卷
屿渡论文,编辑服务
阿拉丁试剂right
南昌大学
王辉
南方科技大学
刘天飞
隐藏1h前已浏览文章
课题组网站
新版X-MOL期刊搜索和高级搜索功能介绍
ACS材料视界
天合科研
x-mol收录
X-MOL
苏州大学
廖矿标
深圳湾
试剂库存
down
wechat
bug