Results 91 to 100 of about 74,613 (308)
Ba incorporation in benthic foraminifera [PDF]
Biogeosciences, 2017 Abstract. Barium (Ba) incorporated in the calcite of many foraminiferal species is proportional to the concentration of Ba in seawater. Since the open ocean concentration of Ba closely follows seawater alkalinity, foraminiferal Ba ∕ Ca can be used to reconstruct the latter.
L. J. de Nooijer +8 more
openaire +10 more sources
Molecular Ecology Resources, EarlyView.ABSTRACT Linking meta‐omics and biogeochemistry approaches in soils has remained challenging. This study evaluates the use of an internal RNA extraction standard and its potential for making quantitative estimates of a given microbial community size (biomass) in soil metatranscriptomics. We evaluate commonly used laboratory protocols for RNA processing,
Mathilde Borg Dahl +22 more
wiley +1 more source
The biostratigraphy of the Albian and Cenomanian succession in the Ventnor No. 2 borehole, Isle of Wight [PDF]
, 2004 This report describes the foraminifera found in the uppermost part of the Gault, Upper Greensand, Glauconitic Marl and West Melbury Marly Chalk of Ventnor No.2 Borehole (the "Carstone of the Isle of Wight" was barren of calcareous microfaunas).
Wilkinson, I.P.
core
The Monterey event in the Mediterranean: A record from shelf sediments of Malta [PDF]
, 1996 Oligo-Miocene carbonate platform and shelf sediments outcropping on the Maltese Islands provide an excellent archive of the paleoceanography of the central Mediterranean.
Jacobs, E +3 more
core +1 more source
The Foraminifera of the Gault of Folkestone.—I [PDF]
Journal of the Royal Microscopical Society, 1891 n ...
openaire +3 more sources
Distinguishing passive and driven trait evolution in the presence of boundaries
Methods in Ecology and Evolution, EarlyView.Abstract Quantifying the dynamics of macroevolutionary trends, such as changes in body size and complexity, is vital for understanding the processes that have shaped patterns of extant and extinct biodiversity. For example, whilst maximum body size may tend to increase within lineages (the Cope‐Depéret rule), it is still unclear whether such patterns ...
Elliot M. Butterworth +2 more
wiley +1 more source
Tubular agglutinated foraminifera as indicators of organic carbon flux [PDF]
, 1995 The dimensions of tubular agglutinated foraminifera such as Rhizammina and Rhabdammina respond in a predictable manner to changes in the flux of organic carbon to the sea floor. In both the modern western North Atlantic and in an ancient example (the K/
Kaminski, M.A., Kuhnt, W.
core
Archaeometry, EarlyView.Abstract This research represents the most extensive characterisation of Roman mosaic tesserae (tiles) from Aquileia, Italy, to date, examining 153 specimens. The study aimed to identify the lithotypes used in mosaics production through a multi‐analytical approach, which included colorimetric analysis, polarised light microscopy and scanning electron ...
Neva M. E. Stucchi +5 more
wiley +1 more source
Frontiers in Marine Science, 2018 The elemental composition of calcite is of critical value in paleoceanographic reconstructions, yet little is known about biological processes underlying elemental uptake by foraminifers during calcification.
Yukiko Nagai +5 more
doaj +1 more source
The Year 2000 classification of the agglutinated foraminifera [PDF]
, 2004 A reclassification of the agglutinated foraminifera (subclass Textulariia) is presented, consisting of four orders, 17 suborders, 27 superfamilies, 107 families, 125 subfamilies, and containing a total of 747 valid genera.
Kaminski, M.A.
core