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Journal of Nannoplankton Research最新文献

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Lagoon coccolithophorids from the Republic of Palau, NW Equatorial Pacific. 赤道太平洋西北部帕劳共和国的泻湖球石虫。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2151
S. Konno, R. Jordan
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引用次数: 7
Obtaining rich nannofossil assemblages from 'barren' samples: processing organic-rich rocks in nannofossil investigations. 从“贫瘠”样品中获得丰富的纳米化石组合:在纳米化石研究中处理富有机质岩石。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2084
Y. Eshet
{"title":"Obtaining rich nannofossil assemblages from 'barren' samples: processing organic-rich rocks in nannofossil investigations.","authors":"Y. Eshet","doi":"10.58998/jnr2084","DOIUrl":"https://doi.org/10.58998/jnr2084","url":null,"abstract":"Campanian-Maastrichtian carbonate and marl successions in Israel are rich in organic matter (OM) of marine algal origin. Samples from these sections, which were originally processed for nannofossil study by standard techniques, were found to be almost completely devoid of nannofossils. However, removal of the OM by approximately 10 hours of controlled bleaching with sodium hypochlorite (household bleach) yielded extremely rich and diverse nannofossil assemblages. It is suggested that, by selectively bleaching the OM, calcareous nannofossils which were incorporated within the intricate organic debris were released. The fact that, after bleaching, both abundance and species diversity were clearly increased, and the preservation of the nannofossils had not changed significantly, suggests that the bleaching agent did not 'attack' the nannofloras and did not produce a biased assemblage. The proposed preparation method enables rich and diverse calcareous nannofossil assemblages to be recovered from samples which would have provided poor, or even barren, assemblages with the deployment of standard processing","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134576572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A new Oligocene Triquetrorhabdulus species: Triquetrorhabdulus longus sp. nov. 渐新世Triquetrorhabdulus一新种:Triquetrorhabdulus sp. nov.。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2020
T. Blaj, J. Young
{"title":"A new Oligocene Triquetrorhabdulus species: Triquetrorhabdulus longus sp. nov.","authors":"T. Blaj, J. Young","doi":"10.58998/jnr2020","DOIUrl":"https://doi.org/10.58998/jnr2020","url":null,"abstract":"While investigating the LO (Lowest Occurrence) of Triquetrorhabdulus carinatus at ODP Site 1218 in the paleo-equatorial Pacific, a form that resembles this species was observed and counted separate ...","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122198450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Quantification of a pretreatment procedure for organic-rich calcareous nannofossil samples. 富有机钙质纳米化石样品预处理过程的定量分析。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2224
J. L. Shamrock, J. Self‐Trail
{"title":"Quantification of a pretreatment procedure for organic-rich calcareous nannofossil samples.","authors":"J. L. Shamrock, J. Self‐Trail","doi":"10.58998/jnr2224","DOIUrl":"https://doi.org/10.58998/jnr2224","url":null,"abstract":"A new sodium hypochlorite (NaClO) pretreatment technique for calcareous nannofossil samples rich in marine and terrestrial organic components was tested on samples containing moderate amounts of organic matter (~1–3%). In the untreated control slides, organic matter at moderate levels obscured individual specimens or caused cohesion of nannofossils with background material, such as clays and opaque minerals. While samples with >7% background organic matter require two iterations of the pretreatment procedure (Shamrock et al., 2015), samples with average background values up to 3% were sufficiently treated with one exposure to the primary oxidizing reagent (NaClO). Pretreated samples showed notable increases in both relative abundance and species richness. In addition, we examined the potential loss of nannofossil specimens while decanting the supernatant after centrifuging. Despite some negligible loss in nannofossil specimens, the enriched abundance and diversity of the data justifies this enhanced processing procedure.","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132519669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
First observation of Navilithus altivelum in the Gulf of Mexico. 在墨西哥湾首次观察到海百合。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2070
Jarrett Cruz, S. Wise, J. Young
{"title":"First observation of Navilithus altivelum in the Gulf of Mexico.","authors":"Jarrett Cruz, S. Wise, J. Young","doi":"10.58998/jnr2070","DOIUrl":"https://doi.org/10.58998/jnr2070","url":null,"abstract":"Navilithus altivelum samples collected in the Eastern Indian Ocean. There have been no other published observations of this species or it’s preferential niche within the photic zone. It has recently been observed, however, in Gulf of Mexico (GOM) during September, 2013 from sampling on the RV Bellows during the Deep-C GOM sampling project. We present some variausing in-situ CTD measurements as well as other coccolithophore species found alongside the Navilithus altivelum cells. Figure 1. Map showing the study site in the Gulf of Mexico, inset is location map also showing the sampling","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134177725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Jurassic–Cretaceous boundary interval in the Ropice section from the perspective of biostratigraphy, stable isotopes and palaeomagnetism. 从生物地层学、稳定同位素和古地磁的角度探讨罗皮斯剖面侏罗系-白垩系边界段。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2239
A. Svobodová, L. Švábenická, D. Reháková, M. Bubík, L. Vaňková, M. Košťák, P. Skupien, T. Elbra, P. Pruner
{"title":"Jurassic–Cretaceous boundary interval in the Ropice section from the perspective of biostratigraphy, stable isotopes and palaeomagnetism.","authors":"A. Svobodová, L. Švábenická, D. Reháková, M. Bubík, L. Vaňková, M. Košťák, P. Skupien, T. Elbra, P. Pruner","doi":"10.58998/jnr2239","DOIUrl":"https://doi.org/10.58998/jnr2239","url":null,"abstract":"","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131932842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distribution of NE Gulf of Mexico nannoplankton assemblages following the Macondo Well blowout: August–November 2011–2013. 2011年8月- 2013年11月，墨西哥湾东北部Macondo油井井喷后的纳米浮游生物群落分布。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2071
J. Cruz, S. Wise, W. Parker, J. Young
{"title":"Distribution of NE Gulf of Mexico nannoplankton assemblages following the Macondo Well blowout: August–November 2011–2013.","authors":"J. Cruz, S. Wise, W. Parker, J. Young","doi":"10.58998/jnr2071","DOIUrl":"https://doi.org/10.58998/jnr2071","url":null,"abstract":"The biodiversity and biomass of coccolithophore species observed in the NE Gulf of Mexico during August through November of 2011 to 2013 were quite dynamic. Following the Macondo Well blowout in 2010, analyses were carried out on samples taken during the subsequent three years. The photic zone was sampled at 28 sites, along four transects across the continental shelf and slope, in order to observe ecological patterns in the calcareous nannoplankton assemblages. The number of observed species increased from station to station, moving from shallow continental shelf waters into deep water. This was related to a two-layered water configuration, observed during August to November. In moving into the deeper waters, the salinity, temperature and amount of light penetration began to change, which was useful for tracing the thermocline and distinguishing the two layers. Once the depth exceeded 75m, a new assemblage of deeper photic-zone dwellers could be observed. Therefore, two separate nannoplankton assemblages were distinguished, an upper one from the mixed layer, from the surface to 75m depth, and a lower one below the thermocline, from 75m to the lower limits of the photic zone, which for the Gulf of Mexico is 200m. A comparison of site biodiversity and biomass across the stations during the study period also showed an increase in both cell density and number of species observed for each successive year sampled. The lowest cells/L and species diversity were observed in 2011, with increasing numbers in 2012, and the highest recorded in 2013.","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131927099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
INA Newsletter - Special edition Vienna Meeting Abstracts. 国际航空协会通讯-维也纳会议摘要特别版。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/nina2310
S. V. van Heck
{"title":"INA Newsletter - Special edition Vienna Meeting Abstracts.","authors":"S. V. van Heck","doi":"10.58998/nina2310","DOIUrl":"https://doi.org/10.58998/nina2310","url":null,"abstract":"","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133840793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Validation of new combinations. 新组合的验证。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/nina2192
K. Perch-Nielsen
{"title":"Validation of new combinations.","authors":"K. Perch-Nielsen","doi":"10.58998/nina2192","DOIUrl":"https://doi.org/10.58998/nina2192","url":null,"abstract":"","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"275 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116219225","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Farinacci Catalogue of Calcareous Nannofossils – CD-ROM version. 法里纳奇钙质纳米化石目录-光盘版本。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2299
J. Young, J. Lees, P. Bown
{"title":"The Farinacci Catalogue of Calcareous Nannofossils – CD-ROM version.","authors":"J. Young, J. Lees, P. Bown","doi":"10.58998/jnr2299","DOIUrl":"https://doi.org/10.58998/jnr2299","url":null,"abstract":"","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117082456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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