Make that 3 votes total.
Roger
On 1 Dec 2008, at 14:03, Tim Robertson wrote:
+1 vote
+2 (total)
On 1 Dec 2008, at 14:59, Markus Döring (GBIF) wrote:
As the average TDWG mailing list is not exactly overloaded with posts, how about consolidating TDWG's mailinglists into just 3? An announcement list for TDWG business (tdwg+process), a technical one (TAG,GUID+TAPIR) and just a single content one. This would probably also help to avoid duplication of efforts and to produce more consistent results across the subgroups.
Just an idea. Markus
http://lists.tdwg.org/mailman/listinfo
On Dec 1, 2008, at 13:29, Holetschek, Jörg wrote:
Tomas,
there's a wiki you might find interesting: http://wiki.tdwg.org/twiki/bin/view/ But as far as I know, this is the only mailing list alive for discussions like that...
Jörg -----Ursprüngliche Nachricht----- Von: bar tomas [mailto:bartomas@gmail.com] Gesendet: Montag, 1. Dezember 2008 13:13 An: Holetschek, Jörg Betreff: Re: [tdwg-tapir] Abundance data
Thanks for all your help. One last question: is there a mailing list for specifically discussing conceptual aspects of Darwin Core, ABCD, etc (I haven't been able to find one) or is Tapir mailing list for that purpose? Thanks T. Bar
On Mon, Dec 1, 2008 at 10:01 AM, Holetschek, Jörg <j.holetschek@bgbm.org
wrote:
Dear Thomas,
the ABCD schema can handle such unbounded data - but the only TAPIR provider software that supports ABCD (pyWrapper) is not quite bug free. So you'd have to use the BioCASe protcol - which is apparently not your intention.
Cheers from Berlin, Jörg
-----Ursprüngliche Nachricht----- Von: tdwg-tapir-bounces@lists.tdwg.org [mailto:tdwg-tapir-bounces@lists.tdwg.org]Im Auftrag von Tim Robertson (GBIF) Gesendet: Sonntag, 30. November 2008 16:22 An: bar tomas Cc: tdwg-tapir@lists.tdwg.org Betreff: Re: [tdwg-tapir] Abundance data
This is correct... largely it is used for transfer of detailed single specimen records.
That is not so say you could not define some schema that reuses sections of DwC or the TDWG vocabularies - you probably would have to get into custom provider software in that case (although maybe the current tools would allow for it - Renato could give advice for TAPIRLink on this).
Cheers
Tim
Thanks a lot for the information.
I suppose when the record is composed of multiple specimens
(whose
number is recorded in ObservedIndividualCount) the individual
attributes of each
specimen (age, sex, maturity, etc) cannot be stored.
Tomas Bar
On Fri, Nov 28, 2008 at 4:14 PM, Tim Robertson <trobertson@gbif.org
wrote:
Hi T. Bar You might consider the OBIS extensions for Darwin Core since
you are
concerned with marine stuff.
http://iobis.org/obis/obis.xsd
SampleSize: the size of the sample from which the collection/observation was drawn. It can be a volume (e.g. for a phytoplankton sample), a linear distance (e.g. for a visual
transect or
net haul), a surface area (e.g. for a benthic core), etc. This
field
must also include the units, e.g. 200 mfor a transect, or 0.25
m^2 for a
benthic grab (use ^ to denote a superscript). Note that when
multiple
collections/observations are reported from the same physical
sample, a
code identifying the sample can be placed in the Field_Number
field to
allow all collections/observations from a single sample to be
connected.
IndividualCount is a count of specimens (e.g. not a count of
species).
If you want to indicate multiple species, then you would have a
record for
each along with the identification and the count of individuals of
that
species.
So in the OBIS schema you have:
ObservedIndividualCount: The number of individuals (abundance)
found in
a collection/record event.
Cheers,
Tim
On 28 Nov 2008, at 17:05, bar tomas wrote:
Sorry if this question is misplaced in this discussion list,
but I
haven't been able to find a mailing list on the conceptual
aspects of
Darwin Core.
I am interested to know if there are any recommendations on how
to
represent abundance in Darwin Core. I have seen some datasets
using
IndividualCount and SampleSize. For instance, for a fishing
survey,
would you use IndividualCount for the number of species in a catch, and SampleSize for the distance towed?
Thank you very much _______________________________________________ tdwg-tapir mailing list tdwg-tapir@lists.tdwg.org http://lists.tdwg.org/mailman/listinfo/tdwg-tapir
Tim Robertson Systems Architect Global Biodiversity Information Facility Secretariat (GBIF) Universitetsparken 15, 2100 Copenhagen Ø, Denmark http://www.gbif.org trobertson@gbif.org Phone: +45 35 32 14 87 (Office) Fax: +45 35 32 14 80 ____________________________________________________________
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