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Improved wet splitter for micropalaeontological analysis, and assessment of uncertainty using data from splitters

Charrieau, Laurie M. LU ; Bryngemark, Lene LU ; Hansson, Ingemar LU and Filipsson, Helena L. LU (2018) In Journal of Micropalaeontology 37(1). p.191-194
Abstract

Analyses of foraminiferal assemblages have often been implemented on dry samples, which are easy to split. In some cases, the wet-picking method is preferred as it allows the preservation of more foraminiferal forms and facilitates the picking of live foraminifera. However, the increased execution time needed for wet picking may cause micropalaeontologists to refrain from employing it in a routine way. Here we present an improved and cost-effective wet splitter (including a 3-D printing file) for micropalaeontological samples aimed to reduce picking time while keeping information loss to a minimum. We demonstrate small sample losses as well as statistical consistency across splits. We show that the time saved picking a subset will... (More)

Analyses of foraminiferal assemblages have often been implemented on dry samples, which are easy to split. In some cases, the wet-picking method is preferred as it allows the preservation of more foraminiferal forms and facilitates the picking of live foraminifera. However, the increased execution time needed for wet picking may cause micropalaeontologists to refrain from employing it in a routine way. Here we present an improved and cost-effective wet splitter (including a 3-D printing file) for micropalaeontological samples aimed to reduce picking time while keeping information loss to a minimum. We demonstrate small sample losses as well as statistical consistency across splits. We show that the time saved picking a subset will always be larger than the relative increase in statistical uncertainty.

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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Micropalaeontology
volume
37
issue
1
pages
4 pages
publisher
Geological Society of London
external identifiers
  • scopus:85041003374
ISSN
0262-821X
DOI
10.5194/jm-37-191-2018
language
English
LU publication?
yes
id
8e1b2368-52f2-4387-b168-22945d4255a8
date added to LUP
2018-02-06 08:42:07
date last changed
2018-05-29 10:32:39
@article{8e1b2368-52f2-4387-b168-22945d4255a8,
  abstract     = {<p>Analyses of foraminiferal assemblages have often been implemented on dry samples, which are easy to split. In some cases, the wet-picking method is preferred as it allows the preservation of more foraminiferal forms and facilitates the picking of live foraminifera. However, the increased execution time needed for wet picking may cause micropalaeontologists to refrain from employing it in a routine way. Here we present an improved and cost-effective wet splitter (including a 3-D printing file) for micropalaeontological samples aimed to reduce picking time while keeping information loss to a minimum. We demonstrate small sample losses as well as statistical consistency across splits. We show that the time saved picking a subset will always be larger than the relative increase in statistical uncertainty.</p>},
  author       = {Charrieau, Laurie M. and Bryngemark, Lene and Hansson, Ingemar and Filipsson, Helena L.},
  issn         = {0262-821X},
  language     = {eng},
  month        = {01},
  number       = {1},
  pages        = {191--194},
  publisher    = {Geological Society of London},
  series       = {Journal of Micropalaeontology},
  title        = {Improved wet splitter for micropalaeontological analysis, and assessment of uncertainty using data from splitters},
  url          = {http://dx.doi.org/10.5194/jm-37-191-2018},
  volume       = {37},
  year         = {2018},
}