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MEAN PROLOCULUS SIZE AS A SALINITY INDEX IN BENTHIC FORAMINIFERA AMMONIA AOMORIENSIS: BASED ON CULTURE AND SEASONAL STUDIES
Yu, Zhoufei1,4; Lei, Yanli1; Li, Tiegang2,3
2016-06-01
Source PublicationJOURNAL OF THE PALAEONTOLOGICAL SOCIETY OF INDIA
Volume61Issue:2Pages:215-223
SubtypeArticle
AbstractLimited studies on proloculus size of foraminifera inhibits its reliable application in palaeoceanographic reconstruction. This study shows that salinity has a significant effect on the proloculus size of shallow water benthic foraminifera Ammonia aomoriensis. Four culture experiments and 13-month long seasonal study from May 2014 to May 2015 in an intertidal flat, Qingdao Bay was conducted on the proloculus size of living A. aomoriensis. The mean proloculus size (MPS) of A. aomoriensis in both the offspring reproduced by culture experiments and the Rose Bengal stained specimens from the field gives a negative correlation with salinity: MPS (mu m) = 65.2737 (+/- 4.3334) - 0.3357 (+/- 0.1468) Salinity (parts per thousand) (Eq. (1),p = 0.0297, r = -0.3908, 24-33 parts per thousand) in cultures; MPS (mu m) = 214.7030 (+/- 20.7783) - 5.4215 (+/- 0.6902) Salinity (parts per thousand) (Eq. (2), p<0.0001, r = -0.6979, 29-31 parts per thousand) in the field. Regression in the case of field study displayed a sharper slope as compared to the laboratory cultures, probably owing to the appearance of both microspheric agamont and megalospheric schizont in A. aomoriensis induced by the fluctuating environment in nature. As a result, salinity could be one of the prime factors responsible for the dimorphism behavior of A. aomoriensis and we suggest that Eq. (1) is more appropriate for optimum condition where megalospheric gamont is exclusively dominant, while Eq. (2) is more appropriate for unstable environment where trimorphism is observed. Thus, the MPS of A. aomoriensis can be used in palaeoenvironmental reconstruction.
KeywordAmmonia Aomoriensis Mean Proloculus Size Salinity Culture Experiment Field Study
Subject Area海洋科学 ; 海洋生物学
Indexed BySCI
Language英语
WOS IDWOS:000392042500004
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/135987
Collection海洋生物分类与系统演化实验室
海洋地质与环境重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.SOA, Inst Oceanog 1, China Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yu, Zhoufei,Lei, Yanli,Li, Tiegang. MEAN PROLOCULUS SIZE AS A SALINITY INDEX IN BENTHIC FORAMINIFERA AMMONIA AOMORIENSIS: BASED ON CULTURE AND SEASONAL STUDIES[J]. JOURNAL OF THE PALAEONTOLOGICAL SOCIETY OF INDIA,2016,61(2):215-223.
APA Yu, Zhoufei,Lei, Yanli,&Li, Tiegang.(2016).MEAN PROLOCULUS SIZE AS A SALINITY INDEX IN BENTHIC FORAMINIFERA AMMONIA AOMORIENSIS: BASED ON CULTURE AND SEASONAL STUDIES.JOURNAL OF THE PALAEONTOLOGICAL SOCIETY OF INDIA,61(2),215-223.
MLA Yu, Zhoufei,et al."MEAN PROLOCULUS SIZE AS A SALINITY INDEX IN BENTHIC FORAMINIFERA AMMONIA AOMORIENSIS: BASED ON CULTURE AND SEASONAL STUDIES".JOURNAL OF THE PALAEONTOLOGICAL SOCIETY OF INDIA 61.2(2016):215-223.
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