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Journal of Nannoplankton Research最新文献

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A new centrifugation/filtration technique to improve the observation of calcareous nannofossils under the scanning electron microscope. 一种新的离心/过滤技术，提高了扫描电镜下钙质纳米化石的观察效果。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2157
C. Lancis, J. Tent-Manclús, J. Flores
{"title":"A new centrifugation/filtration technique to improve the observation of calcareous nannofossils under the scanning electron microscope.","authors":"C. Lancis, J. Tent-Manclús, J. Flores","doi":"10.58998/jnr2157","DOIUrl":"https://doi.org/10.58998/jnr2157","url":null,"abstract":"","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"25 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":"114064963","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
Scyphosphaera porosa Kamptner 1967 rediscovered in the plankton. 1967年Kamptner在浮游生物中重新发现了棘球藻。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2292
J. Young
{"title":"Scyphosphaera porosa Kamptner 1967 rediscovered in the plankton.","authors":"J. Young","doi":"10.58998/jnr2292","DOIUrl":"https://doi.org/10.58998/jnr2292","url":null,"abstract":"","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"34 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":"114363538","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
Upper Miocene-Lower Pliocene taxonomy and stratigraphy in the circum North Atlantic Basin: radiation and extinction of Amauroliths, Ceratoliths and the D. quinqueramus lineage. 北大西洋盆地的上中新世-下上新世分类学和地层学:Amauroliths、Ceratoliths和D. quinqueramus谱系的辐射和灭绝。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2018
S. A. Blair, J. Bergen, E. de Kaenel, E. Browning, T. Boesiger
{"title":"Upper Miocene-Lower Pliocene taxonomy and stratigraphy in the circum North Atlantic Basin: radiation and extinction of Amauroliths, Ceratoliths and the D. quinqueramus lineage.","authors":"S. A. Blair, J. Bergen, E. de Kaenel, E. Browning, T. Boesiger","doi":"10.58998/jnr2018","DOIUrl":"https://doi.org/10.58998/jnr2018","url":null,"abstract":"Three Neogene nannofossil lineages evolved rapidly in the Late Miocene to Early Pliocene: the Amauroliths, the Ceratoliths and the Discoaster quinqueramus lineage. The evolution of these lineages has been extensively studied within the petroleum industry, in particular BP America Inc. and its heritage companies, due to their considerable utility in the deep-water Gulf of Mexico. This study presents their biostratigraphic usage and taxonomic concepts for the Upper Miocene-Lower Pliocene interval (NN8-NN14). They are further defined utilizing astronomically “tuned” sediments from Ocean Drilling Program Leg 154 (western equatorial Atlantic), yielding 42 primary calibrated nannfossil events. Based on these results, we divide Zone NN12 (Martini, 1971) into two new Subzones (NN12a & b) and emend its top and base. Additionally, the taxonomy and stratigraphic distribution of Amauroliths, Ceratoliths, and theD. quinqueramus lineage are clarified. Three newAmaurolith and Ceratolith taxa are described, A. brevigracilis, C. apiculus and C. cornulum as well as eleven new species of Discoaster: D. abrachiatus, D. astellaris, D. compactus, D. consutus, D. explicatus, D. gemmulatus, D. hexaramus, D. newellii, D. prolixus, D. tetracladus and D. vinsonii. In addition, several taxa are formally emended.","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"397 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":"116503386","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: 20
Variety of exothecal coccoliths of Syracosphaera. 雪龙属外鞘球囊的品种。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2062
L. Cros
{"title":"Variety of exothecal coccoliths of Syracosphaera.","authors":"L. Cros","doi":"10.58998/jnr2062","DOIUrl":"https://doi.org/10.58998/jnr2062","url":null,"abstract":"Species of the genus Syracosphaera produce an outer coccolith layer, the exotheca. The coccoliths of this layer differ considerably from species to species. This study examines the diversity of the exothecal coccoliths of Syracosphaera species found in NW Mediterranean waters , presents !I new records of exothecal coccoliths, and proposes a tentative classification of the exothecal coccoliths of Syracosphaera. Within the groups that emerge from this c lass ification, it is poss ible to recogni se common characteristics of the coccospheres that could be relevant for understanding the phylogeny of","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"48 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":"127832828","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: 8
Coccolithophore flux in a sediment trap off Cape Blanc (NW Africa). 勃朗角(西北非洲)沉积物圈闭中的球石藻通量。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2149
M. Köbrich, K. Baumann
{"title":"Coccolithophore flux in a sediment trap off Cape Blanc (NW Africa).","authors":"M. Köbrich, K. Baumann","doi":"10.58998/jnr2149","DOIUrl":"https://doi.org/10.58998/jnr2149","url":null,"abstract":"The flux of coccoliths from a one-year-moored sediment trap (March, 1988 to March, 1989) off Cape Blanc, NW Africa (20 ̊45’N, 19 ̊44’W) was studied. Coccolith flux was at a minimum during spring and fall. The minimum flux (51x107 coccoliths m-2d-1) in fall (September) corresponds to a strong decrease in nutrient content of the surface-waters. In winter, coccolith flux reached maximum values (384x107 coccoliths m-2d-1). At that time, insolation, wind velocity, and sea-surface temperature had average values, indicating average nutrient content and average light penetration into surface-waters. Detailed morphometric measurements were the basis for more precise estimations of the coccolith-derived carbonate content of the settled particles. Numerically significant taxa (Emiliania huxleyi, Florisphaera profunda, Gephyrocapsa oceanica), as well as low flux of large taxa, such as Helicosphaera carteri, Coccolithus pelagicus and Calcidiscus leptoporus, mainly form the coccolith carbonate contribution, which adds up to 13.32mg m-2d-1 (3.9-22.8mg m-2d-1), with a relative contribution of coccoliths to the total carbonate flux of 18% (7-35%). The morphometric measurements further revealed a bimodal distribution of F. profunda allowing separation of two morphotypes, F. profunda var. profunda and F. profunda var. elongata. The modern sediment-trap assemblage revealed a good correspondence with respect to coccolith flux (accumulation), species composition and the coccolith-derived carbonate content with the underlying Holocene surface sediment.","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"14 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":"126263985","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: 10
Taxonomic note: A new Coccolithus species that thrived during the Paleocene/Eocene Thermal Maximum. 分类学注释:在古新世/始新世热极大期繁盛的一种新球虫。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2131
Shijun Jiang, S. Wise
{"title":"Taxonomic note: A new Coccolithus species that thrived during the Paleocene/Eocene Thermal Maximum.","authors":"Shijun Jiang, S. Wise","doi":"10.58998/jnr2131","DOIUrl":"https://doi.org/10.58998/jnr2131","url":null,"abstract":"","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"71 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":"127995216","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
Uppermost Oligocene to Middle Miocene Discoaster and Catinaster taxonomy and stratigraphy in the circum North Atlantic Basin: Gulf of Mexico and ODP Leg 154. 北大西洋盆地周围的上渐新世至中新世中期灾难和灾害分类与地层学:墨西哥湾和ODP Leg 154。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2077
E. de Kaenel, J. Bergen, E. Browning, S. A. Blair, T. Boesiger
{"title":"Uppermost Oligocene to Middle Miocene Discoaster and Catinaster taxonomy and stratigraphy in the circum North Atlantic Basin: Gulf of Mexico and ODP Leg 154.","authors":"E. de Kaenel, J. Bergen, E. Browning, S. A. Blair, T. Boesiger","doi":"10.58998/jnr2077","DOIUrl":"https://doi.org/10.58998/jnr2077","url":null,"abstract":"","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"21 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":"121857961","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
New taxa from the Niobrara Formation (Upper Cretaceous) of Kansas, USA. 美国堪萨斯州Niobrara组(上白垩纪)新分类群。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2060
M. Covington
{"title":"New taxa from the Niobrara Formation (Upper Cretaceous) of Kansas, USA.","authors":"M. Covington","doi":"10.58998/jnr2060","DOIUrl":"https://doi.org/10.58998/jnr2060","url":null,"abstract":"Introduction Intervals with well preserved nannofossils were studied from the Upper Turonian Lower Campanian Niobrara Formation of northwestern Kansas, USA. Extensive scanning electron microscopy of the samples yielded several new taxa, clusters of monospecific coccoliths which represent collapsed coccospheres, and the first truly cylindrical 'coccosphere' published from the fossil record. Covington ( 1985) provides discussion on the study area, clusters, and cylindrical forms. The purpose of this paper is to describe the new species observed in the study. New taxa described here include one genus, Watkinsia, and four species, Watkinsiapedalion,Biscutumdekaenelii,Biscutumzulloi, and Rotelapil/us applegatei. All type material is deposited at the Department of Geology, Florida State University, Tallahassee, Florida, U.S.A.","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"56 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":"121865528","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
The Pliocene/Pleistocene boundary, based on calcareous nannofossils, and related palaeoclimatic implications, Solo River section, Ngawi Region, East Java, indonesia. 基于钙质纳米化石的上新世/更新世界线及其古气候意义，印度尼西亚东爪哇省Ngawi地区Solo河剖面。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2057
S. Choiriah, R. Kapid, W. Rahardjo
{"title":"The Pliocene/Pleistocene boundary, based on calcareous nannofossils, and related palaeoclimatic implications, Solo River section, Ngawi Region, East Java, indonesia.","authors":"S. Choiriah, R. Kapid, W. Rahardjo","doi":"10.58998/jnr2057","DOIUrl":"https://doi.org/10.58998/jnr2057","url":null,"abstract":"","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"1 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":"115828876","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
New possible hetero- holococcolithophore combinations within the genus Syracosphaera. 新可能的异全球石藻属组合。
Journal of Nannoplankton Research Pub Date : 1900-01-01 DOI: 10.58998/jnr2169
E. Malinverno, M. Triantaphyllou, M. Dimiza, J. Young
{"title":"New possible hetero- holococcolithophore combinations within the genus Syracosphaera.","authors":"E. Malinverno, M. Triantaphyllou, M. Dimiza, J. Young","doi":"10.58998/jnr2169","DOIUrl":"https://doi.org/10.58998/jnr2169","url":null,"abstract":"","PeriodicalId":186533,"journal":{"name":"Journal of Nannoplankton Research","volume":"24 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":"133965651","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: 9
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