planktonic foraminifera
Methodology for single cell genetic analysis of planktonic foraminifera for studies of protist diversity and evolution
... of planktonic foraminifera, we compared the DNA amplification success rates in studies carried out by the authors of the present study throughout the last 20 ...
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Future-proofing the Cenozoic macroperforate planktonic foraminifera phylogeny of Aze & others (2011)
... Cenozoic planktonic-foraminiferal index forms employed less than half of the 339 species-group taxa of the 2011 ...Cenozoic planktonic foraminifera [29, 30] amounted to ~242 macroperforate ...
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Reproducibility of species recognition in modern planktonic foraminifera and its implications for analyses of community structure
... Length of experience does not correlate with a higher agreement (Fig. 3 – higher numbers/letters indicate more experience). Even those participants who had been work- ing with planktonic foraminifera for ...
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Planktonic Foraminifera Response to Sudden Global Warming in Late Maastrichtian, a Case Study from Ziyarat-Kola, Central Alborz, Iran
... Figure 3. Abundances of Planktonic foraminifera species in the larger size fraction ( > 150µm) the Late Maastrichtian. Gray band marks the warm event. Note the marked increase of Pseudoguembelina ...
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BIOSTRATIGRAPHIC STUDY OF THE ILAM AND GURPI FORMATIONS BASED ON PLANKTONIC FORAMINIFERA IN SE OF SHIRAZ, IRAN
... Planktonic foraminifera are abundance and diverse in most samples of the Ilam and Gurpi formations at the studied ...of planktonic forams were ...of planktonic foraminifera recognized ...
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On the age and correlation of the St. Erth Beds, S.W. England, based on planktonic foraminifera
... In 1982, Jenkins reported rare juvenile specimens of planktonic foraminifera from the clays and predicted that their age was within the Globorotalia inflata Zone, Late Plioce[r] ...
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Quantifying the effect of seasonal and vertical habitat tracking on planktonic foraminifera proxies
... Plankton tow and sediment trap studies have shown large variability in the phenology within individual planktonic foraminifera species (e.g. Tolderlund and Bé, 1971; Zaric et al., 2005). A recent review ...
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Planktonic Foraminifera and Calcareous Nannofossil Biostratigraphy Through the Middle to Late Eocene Transition at Wadi Hitan, Fayum Province, Egypt
... (planktonic foraminifera and calcareous nannofossils) and larger foraminifera, the most widely used biostratigraphic tools for age calibration, have seldom been studied, and then only in very lo- ...
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Planktonic Foraminifera Diversity in the Sea of Okhotsk and Correlation to Past Climate Change
... 80 sediment stations and 4 sediment cores were used in this study. Surface sediment samples were collected by multicorer (MC 800) and piston corer (upper 0 - 5 cm) during the Academician Lavrentev 55 and 42 cruises ...
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Depth habitat of the planktonic foraminifera Neogloboquadrina pachyderma in the northern high latitudes explained by sea ice and chlorophyll concentrations
... Abstract. Neogloboquadrina pachyderma is the dominant planktonic foraminifera species in the polar regions. In the northern high-latitude ocean, it makes up more than 90 % of the total assemblages, making ...
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Mismatch between the depth habitat of planktonic foraminifera and the calibration depth of SST transfer functions may bias reconstructions
... of planktonic foraminifera being sensitive to subsurface rather than near- surface temperatures in much of the North Atlantic would seem to be to calibrate planktonic foraminifera assemblages ...
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SYSTEMATIC TAXONOMY OF EXCEPTIONALLY WELL-PRESERVED PLANKTONIC FORAMINIFERA FROM THE EOCENE/OLIGOCENE BOUNDARY OF TANZANIA ABSTRACT
... Our solution to this basic problem (which is derived from the approach taken by Fordham, 1986) is to produce a dual system of classification based on the one hand on practical Linnean morphospecies, which are artificial ...
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Oligocene-Early Miocene Planktonic Foraminifera from the Temburong Formation, Klias Peninsula, Sabah, Malaysia
... Three planktonic foraminifera zones were identified from eight localities of shale unit at Klias Peninsula. The three zones are P21/N2 Globigerina angulisuturalis/Globorotalia opima opima Zone, ...
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Salinity control on Na incorporation into calcite tests of the planktonic foraminifera Trilobatus sacculifer – evidence from culture experiments and surface sediments
... Figure 6. Averaged Na/Ca values of T. sacculifer from surface sediment samples collected in the Caribbean (stations SO164-01-3 to SO164- 50-3, green triangles) and the Gulf of Guinea (stations M6–5 GIK 16808–16869, blue ...
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Modeling seasonal and vertical habitats of planktonic foraminifera on a global scale
... of planktonic foraminifera exhibit specific seasonal production patterns and different preferred verti- cal ...on foraminifera proxies requires independent evidence for ei- ther habitat or climate ...
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A trait based modelling approach to planktonic foraminifera ecology
... of planktonic foraminifera are also an important trait as they are crucial for survival and influ- ence plankton community ...ecology. Planktonic foraminifera are inactive organisms and ...
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Factors influencing test porosity in planktonic foraminifera
... in planktonic foraminifera has largely fallen out of favor as an explanation for variation in morphol- ogy, with the observations that ecophenotypes often align with different genetic complexes (Huber et ...
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Late Cretaceous Biostratigraphy Planktonic Foraminifera of the Farokhi Formation, Iran
... The Farokhi Formation is one of the informal Central Iran formations, which is located in the NW Tabas township. The Tabas area is a part of the Central Iran sedimentary basin which is located in the Yazd Province. The ...
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The new foraminiferal genus Ammogloborotaloides n. gen. and subfamily Ammogloborotaloidinae n. subfam. from the Neogene of Venezuela: an example of isomorphism between agglutinated and planktonic Foraminifera
... the planktonic foraminiferal species Globorotalia truncatulinoides and Globorotalia crassaformis, and illustrate the possible evolutionary connections between agglutinated benthics and the planktonic ...
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Calcification depth of deep-dwelling planktonic foraminifera from the eastern North Atlantic constrained by stable oxygen isotope ratios of shells from stratified plankton tows
... fossil planktonic foraminifera have been the backbone of palaeoceanography for more than half a ...cification, planktonic foraminifera record the physical and chemical conditions of the ...
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