Munef Mohammed, P. Frenzel, D. Keyser, F. Hussain, Abdulkareem Abood, Abdulmajed Sha'af, Sadham Alzara'e, Sakher Alammari
{"title":"A humid early Holocene in Yemen interpreted from palaeoecology and taxonomy of freshwater ostracods","authors":"Munef Mohammed, P. Frenzel, D. Keyser, F. Hussain, Abdulkareem Abood, Abdulmajed Sha'af, Sadham Alzara'e, Sakher Alammari","doi":"10.5194/JM-37-167-2018","DOIUrl":null,"url":null,"abstract":"Abstract. Lake or marsh sediments in the Qa'a Jahran–Dhamār area indicate a period of\nhigher moisture availability in the early Holocene of the highlands of Yemen.\nForty-two marl–peat sediment samples from eight stratigraphic sections of\nthat area have been collected and are examined for the first time for their\nostracod associations. Eight species belonging to seven genera and four\nfamilies are reported. Their ecological tolerances and preferences are used\nto investigate the climatic and environmental changes in the early to\nmid-Holocene. Our data are compared and correlated with previous\narchaeological results, particularly from the region of Qa'a Jahran (Dhamār)\nin the vicinity of the village of Beyt Nahmi. We conclude that the wettest\nperiod of the Holocene was from about 7900 to 7400 cal yr BP, when\nnorthwards incursion of the Indian Ocean Monsoon caused intensified monsoon\nprecipitation over southern Arabia.","PeriodicalId":54786,"journal":{"name":"Journal of Micropalaeontology","volume":null,"pages":null},"PeriodicalIF":4.1000,"publicationDate":"2018-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Micropalaeontology","FirstCategoryId":"89","ListUrlMain":"https://doi.org/10.5194/JM-37-167-2018","RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PALEONTOLOGY","Score":null,"Total":0}
引用次数: 2
Abstract
Abstract. Lake or marsh sediments in the Qa'a Jahran–Dhamār area indicate a period of
higher moisture availability in the early Holocene of the highlands of Yemen.
Forty-two marl–peat sediment samples from eight stratigraphic sections of
that area have been collected and are examined for the first time for their
ostracod associations. Eight species belonging to seven genera and four
families are reported. Their ecological tolerances and preferences are used
to investigate the climatic and environmental changes in the early to
mid-Holocene. Our data are compared and correlated with previous
archaeological results, particularly from the region of Qa'a Jahran (Dhamār)
in the vicinity of the village of Beyt Nahmi. We conclude that the wettest
period of the Holocene was from about 7900 to 7400 cal yr BP, when
northwards incursion of the Indian Ocean Monsoon caused intensified monsoon
precipitation over southern Arabia.
期刊介绍：
The Journal of Micropalaeontology (JM) is an established international journal covering all aspects of microfossils and their application to both applied studies and basic research. In particular we welcome submissions relating to microfossils and their application to palaeoceanography, palaeoclimatology, palaeobiology, evolution, taxonomy, environmental change and molecular phylogeny.
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