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John,<br>
<br>
Thank you for your response. I agree that anything that may change
over time should probably be grouped under Event. I guess in the case
of biomes I am thinking about this in a practical sense, i.e.
realistically how is somebody going to assign a particular event to a
biome? A likely scenario would be that they would take the location of
an event, use its latitude and longitude to find where it falls on a
map such as <a class="moz-txt-link-freetext" href="http://en.wikipedia.org/wiki/Biome#Map_of_biomes">http://en.wikipedia.org/wiki/Biome#Map_of_biomes</a> and then
assign it to whatever biome region it falls within on the map. That is
a different approach from assessing the biological and climatological
characteristics occurring at an event, comparing it with an ontology
that defines biomes, and then making the assignment based on how the
event lines up with the ontology. I suppose that in theory people
might do that, but realistically, it seems more likely that they would
look it up on a map. Under the scenario that they look it up on a map,
it is logical to consider biome to be a property of a location. Yes,
biomes might change over time, but then so do the names and boundaries
of countries, but we don't consider them to be properties of Event, we
consider them as properties of Location. We periodically update the
maps of countries, just as we might update the maps of biomes once a
century or so. But if there is a consensus that dwc:biome belongs
under Event, I can live with it.<br>
<br>
The other thing I'm wondering about the values of dwc:biome would be
how a user would indicate the controlled vocabulary one is using. The
ENVO ontology is mentioned. Under the scenario of the draft RDF guide,
the term dwcuri:biome would have a URI value of
<a class="moz-txt-link-rfc2396E" href="http://purl.obolibrary.org/obo/ENVO_01000195"><http://purl.obolibrary.org/obo/ENVO_01000195></a>. That would be
unambiguous. However, if dwc:biome is reserved for literal values (as
the RDF guide suggests it should be) then how does a machine know that
"flooded grassland biome" is a label from ENVO and not a literal
description of a biome from the Whittaker, Walter, Bailey, etc. systems
which are probably currently in much wider use than ENVO and therefore
likely controlled vocabularies of choice for many users? <br>
<br>
As far as dwc:ecoregion as a term is concerned, I was mostly just
testing the waters. I could submit it as a term addition in the DwC
issue tracker, but I'm not going to do that if I'm the only person who
cares about it. If anybody besides me cares, they can say so on the
list.<br>
<br>
Thanks for clarifying,<br>
Steve<br>
<br>
John Wieczorek wrote:
<blockquote
cite="mid:CAHwKGGfVdTh-W6aKUFrF428sAF68BH7s+vWEkmyicescufkFWQ@mail.gmail.com"
type="cite">
<meta http-equiv="Content-Type" content="text/html; ">
<div dir="ltr">
<div>It is true that the organizedInClass attribute of any given
Darwin Core term does nothing more than associate properties with
classes as an organizational aid. It says nothing about the class being
the domain of the property, and with good reason. Darwin Core in its
current manifestation is just not semantically detailed enough to make
domain declarations. Most of our classes combine multiple concepts and
get used in multiple ways. Occurrence is the best worst example of this.</div>
<div><br>
</div>
The environment properties are organized under Event because of their
time-dependent nature - habitats and biomes definitely can change over
museum time scales. Location alone does not have a time component - the
definition of Location is "A spatial region or named place. For Darwin
Core, a set of terms describing a place, whether named or not." Darwin
Core has no other spatiotemporal concept except the Event, which
combines everything in Location with time properties and sampling
properties - the definition of an Event is: "The category of
information pertaining to an event (an action that occurs at a place
and during a period of time)."
<div><br>
</div>
<div>If we had a purely spatiotemporal class, then I would organize
the environmental properties there. Without one, I would organize the
properties in the class that does have time properties, namely Event.
<div><br>
</div>
<div>Until your message, no one has discussed the addition of an
ecoregion term on tdwg-content. </div>
<div><br>
</div>
<div>As to the question of country, I see </div>
<div>On Tue, Oct 1, 2013 at 5:24 PM, Steve Baskauf <<a
moz-do-not-send="true">steve.baskauf@vanderbilt.edu</a>> wrote:<br>
> I've had some time to read through the proposed changes more
closely and had<br>
> a question.<br>
><br>
> I realize that when a property is listed under a class in the dwc:<br>
> namespace, that is kind of a suggestion about the type of resource
for which<br>
> that term would be an appropriate property (vs. a formal domain
declaration<br>
> which would force the subject resource to BE an instance of that
class). So<br>
> one doesn't really "break the rules" if one uses a DwC term as a
property of<br>
> a resource that isn't a member of the class that the term is
listed under.<br>
> Nevertheless, for the sake of consistency and to make it possible
for<br>
> consuming applications to know what to "expect" as properties for
particular<br>
> types of things, it would be good to place DwC properties under
the "right"<br>
> class headings.<br>
><br>
> So my question is, why are the terms dwc:habitat and dwc:biome
being placed<br>
> under the dwc:Event class? I'll start with dwc:biome because
that's the<br>
> most straightforward one. It seems to me that dwc:biome should be
organized<br>
> under the class dcterms:Location rather than dwc:Event. For
example, I<br>
> would say<br>
><br>
> <<a moz-do-not-send="true"
href="http://bioimages.vanderbilt.edu/baskauf/d0127#loc"
target="_blank">http://bioimages.vanderbilt.edu/baskauf/d0127#loc</a>>
dwc:biome "temperate<br>
> broadleaf forest"<br>
><br>
> (where <a moz-do-not-send="true"
href="http://bioimages.vanderbilt.edu/baskauf/d0127#loc"
target="_blank">http://bioimages.vanderbilt.edu/baskauf/d0127#loc</a>
is a<br>
> dcterms:Location) or something like that. Although I suppose over
time<br>
> climate change could cause that location to be part of a different
biome,<br>
> that probably wouldn't happen on a timescale the would be
relevant. One<br>
> could probably also make the case that dwc:habitat is a property
of a<br>
> location, although I suppose that the habitat type of a location
could<br>
> change, for example if it were a forest, but then somebody chopped
down all<br>
> of the trees and converted it to agricultural use. In that case,
it might<br>
> be desirable to record what the state of that location was at a
particular<br>
> time (which is the way I think about dwc:Event - something that
happens at a<br>
> particular place and time). Then it would make sense to group it
under<br>
> dwc:Event. But we have other properties of location that could
change over<br>
> time, such as dwc:country for which we have several examples in
Europe<br>
> within the past few decades.<br>
><br>
> I suppose the thinking is that the proposed terms (habitat, biome,<br>
> environmentalFeature, environmentalMaterial) would comprise a set
of<br>
> properties that would be associated with a collecting or sampling
event.<br>
> But it doesn't really make sense to me to call dwc:biome a
property of an<br>
> event.<br>
><br>
> I'm also wondering if there was any consideration about creating a<br>
> dwc:ecoregion property, which I would consider to be something
intermediate<br>
> in scale between a biome and a habitat. I would actually use that
term a<br>
> lot, but I may be the only one (and I would use it as a property
of a<br>
> location). If one were to create such a term, it would probably
be good to<br>
> have some other term that specified the system used to define the
controlled<br>
> vocabulary (e.g. Bailey vs. WWF ecoregions). Or use URIs but
that's a<br>
> different issue and the DwC RDF guide would have a solution for
that<br>
> (dwcuri:biome, dwcuri:ecoregion, etc.).<br>
><br>
> Steve<br>
><br>
> John Wieczorek wrote:<br>
><br>
> Dear all,<br>
><br>
> The spirit of the proposal is to satisfy use cases defined in the<br>
> document "Meeting Report: GBIF hackathon-workshop on<br>
> Darwin Core and sample data (22-24 May 2013)" found at<br>
> <a moz-do-not-send="true"
href="http://www.gbif.org/orc/?doc_id=5424" target="_blank">http://www.gbif.org/orc/?doc_id=5424</a>
by reusing terms from the ENVO<br>
> ontology. Steve is correct. All of the ENVO terms are classes in<br>
> keeping with the OBO Foundry way of doing things. As such, they
don't<br>
> work in the intended Darwin Core context as they currently stand,<br>
> where what we want are properties whose values can come from ENVO
as a<br>
> controlled vocabulary in the way Hilmar described.<br>
><br>
> To satisfy the spirit of the proposal, I suggest that instead of<br>
> replacing the dwc:habitat property with the envo:habitat class and<br>
> adding the other three ENVO classes, we modify the existing<br>
> dwc:habitat property and introduce new properties whose ranges are<br>
> recommended to be the appropriate ENVO classes, as follows:<br>
><br>
> Retain the property term dwc:habitat, but amend the definition to
be:<br>
><br>
> Term Name: habitat<br>
> Identifier: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/habitat" target="_blank">http://rs.tdwg.org/dwc/terms/habitat</a><br>
> Namespace: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/" target="_blank">http://rs.tdwg.org/dwc/terms/</a><br>
> Label: Habitat<br>
> Definition: A spatial region having environmental qualities which
may<br>
> sustain an organism or a community of organisms. Recommended best<br>
> practice is to use a controlled vocabulary such as defined by the<br>
> habitat class of the Environment Ontology (ENVO).<br>
> Comment: Examples: "freshwater habitat",<br>
> "<a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00002037" target="_blank">http://purl.obolibrary.org/obo/ENVO_00002037</a>".
For discussion see<br>
> <a moz-do-not-send="true"
href="http://code.google.com/p/darwincore/wiki/Event" target="_blank">http://code.google.com/p/darwincore/wiki/Event</a>
(there will be no<br>
> further documentation here until the term is ratified)<br>
> Type of Term: <a moz-do-not-send="true"
href="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"
target="_blank">http://www.w3.org/1999/02/22-rdf-syntax-ns#Property</a><br>
> Refines:<br>
> Status: proposed<br>
> Date Issued: 2008-11-19<br>
> Date Modified: 2013-09-26<br>
> Has Domain:<br>
> Has Range:<br>
> Refines:<br>
> Version: habitat-2013-09-26<br>
> Replaces: habitat-2009-04-24<br>
> IsReplaceBy:<br>
> Class: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/Event" target="_blank">http://rs.tdwg.org/dwc/terms/Event</a><br>
> ABCD 2.0.6: not in ABCD (someone please confirm or deny this)<br>
><br>
> Add the following new property terms for biome,<br>
> environmental feature, and environmental material:<br>
><br>
> Term Name: biome<br>
> Identifier: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/biome" target="_blank">http://rs.tdwg.org/dwc/terms/biome</a><br>
> Namespace: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/" target="_blank">http://rs.tdwg.org/dwc/terms/</a><br>
> Label: Biome<br>
> Definition: A major class of ecologically similar communities of<br>
> plants, animals, and other organisms. Biomes are defined based on<br>
> factors such as plant structures (such as trees, shrubs, and
grasses),<br>
> leaf types (such as broadleaf and needleleaf), plant spacing
(forest,<br>
> woodland, savanna), and other factors like climate. Unlike
ecozones,<br>
> biomes are not defined by genetic, taxonomic, or historical<br>
> similarities. Biomes are often identified with particular patterns
of<br>
> ecological succession and climax vegetation. Recommended best
practice<br>
> is to use a controlled vocabulary such as defined by the biome
class<br>
> of the Environment Ontology (ENVO).<br>
> Comment: Examples: "flooded grassland biome",<br>
> "<a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_01000195" target="_blank">http://purl.obolibrary.org/obo/ENVO_01000195</a>".
For discussion see<br>
> <a moz-do-not-send="true"
href="http://code.google.com/p/darwincore/wiki/Event" target="_blank">http://code.google.com/p/darwincore/wiki/Event</a>
(there will be no<br>
> further documentation here until the term is ratified)<br>
> Type of Term: <a moz-do-not-send="true"
href="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"
target="_blank">http://www.w3.org/1999/02/22-rdf-syntax-ns#Property</a><br>
> Refines:<br>
> Status: proposed<br>
> Date Issued: 2013-09-26<br>
> Date Modified: 2013-09-26<br>
> Has Domain:<br>
> Has Range:<br>
> Refines:<br>
> Version: biome-2013-09-26<br>
> Replaces:<br>
> IsReplaceBy:<br>
> Class: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/Event" target="_blank">http://rs.tdwg.org/dwc/terms/Event</a><br>
> ABCD 2.0.6: not in ABCD (someone please confirm or deny this)<br>
><br>
> Term Name: environmentalFeature<br>
> Identifier: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/environmentalFeature"
target="_blank">http://rs.tdwg.org/dwc/terms/environmentalFeature</a><br>
> Namespace: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/" target="_blank">http://rs.tdwg.org/dwc/terms/</a><br>
> Label: Environmental Feature<br>
> Definition: A prominent or distinctive aspect, quality, or<br>
> characteristic of a biome. Recommended best practice is to use a<br>
> controlled vocabulary such as defined by the environmental feature<br>
> class of the Environment Ontology (ENVO).<br>
> Comment: Examples: "meadow",<br>
> "<a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00000108" target="_blank">http://purl.obolibrary.org/obo/ENVO_00000108</a>".
For discussion see<br>
> <a moz-do-not-send="true"
href="http://code.google.com/p/darwincore/wiki/Event" target="_blank">http://code.google.com/p/darwincore/wiki/Event</a>
(there will be no<br>
> further documentation here until the term is ratified)<br>
> Type of Term: <a moz-do-not-send="true"
href="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"
target="_blank">http://www.w3.org/1999/02/22-rdf-syntax-ns#Property</a><br>
> Refines:<br>
> Status: proposed<br>
> Date Issued: 2013-09-26<br>
> Date Modified: 2013-09-26<br>
> Has Domain:<br>
> Has Range:<br>
> Refines:<br>
> Version: environmentalFeature-2013-09-26<br>
> Replaces:<br>
> IsReplaceBy:<br>
> Class: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/Event" target="_blank">http://rs.tdwg.org/dwc/terms/Event</a><br>
> ABCD 2.0.6: not in ABCD (someone please confirm or deny this)<br>
><br>
> Term Name: environmentalMaterial<br>
> Identifier: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/environmentalMaterial"
target="_blank">http://rs.tdwg.org/dwc/terms/environmentalMaterial</a><br>
> Namespace: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/" target="_blank">http://rs.tdwg.org/dwc/terms/</a><br>
> Label: Environmental Material<br>
> Definition: Material in or on which organisms may live. Recommended<br>
> best practice is to use a controlled vocabulary such as defined by
the<br>
> environmental feature class of the Environment Ontology (ENVO).<br>
> Comment: Examples: "scum",<br>
> "<a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00003930" target="_blank">http://purl.obolibrary.org/obo/ENVO_00003930</a>".
For discussion see<br>
> <a moz-do-not-send="true"
href="http://code.google.com/p/darwincore/wiki/Event" target="_blank">http://code.google.com/p/darwincore/wiki/Event</a>
(there will be no<br>
> further documentation here until the term is ratified)<br>
> Type of Term: <a moz-do-not-send="true"
href="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"
target="_blank">http://www.w3.org/1999/02/22-rdf-syntax-ns#Property</a><br>
> Refines:<br>
> Status: proposed<br>
> Date Issued: 2013-09-26<br>
> Date Modified: 2013-09-26<br>
> Has Domain:<br>
> Has Range:<br>
> Refines:<br>
> Version: environmentalMaterial-2013-09-26<br>
> Replaces:<br>
> IsReplaceBy:<br>
> Class: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/Event" target="_blank">http://rs.tdwg.org/dwc/terms/Event</a><br>
> ABCD 2.0.6: not in ABCD (someone please confirm or deny this)<br>
><br>
> I hope this makes better sense.<br>
><br>
> Cheers,<br>
><br>
> John<br>
><br>
> On Thu, Sep 26, 2013 at 4:03 AM, Steve Baskauf<br>
> <<a moz-do-not-send="true">steve.baskauf@vanderbilt.edu</a>>
wrote:<br>
><br>
><br>
> Well, the proposal says "The Darwin Core term habitat would be
redefined..."<br>
> . I take that to mean that the term dwc:habitat is being replaced
with<br>
> envo:00002036 . If that's not what it means, then it would be
good to<br>
> clarify. If the intention is to provide values for other terms,
that should<br>
> be stated.<br>
><br>
> Steve<br>
><br>
><br>
> Hilmar Lapp wrote:<br>
><br>
> I was assuming that the proposal was that subclasses of
envo:habitat would<br>
> take the place of values for the dwc:habitat property. But perhaps
I was<br>
> naive or misunderstanding?<br>
><br>
> -hilmar<br>
><br>
> Sent from away<br>
><br>
> On Sep 25, 2013, at 8:23 PM, Steve Baskauf <<a
moz-do-not-send="true">steve.baskauf@vanderbilt.edu</a>><br>
> wrote:<br>
><br>
> OK, now that I've had a chance to look at the RDF, it is as I
suspected. If<br>
> I am understanding the proposal correctly, the proposal is to
replace the<br>
> term <<a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/habitat" target="_blank">http://rs.tdwg.org/dwc/terms/habitat</a>>
(i.e. dwc:habitat) with the term<br>
> <<a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00002036" target="_blank">http://purl.obolibrary.org/obo/ENVO_00002036</a>>
(which I'll call<br>
> envo:00002036 for brevity) However, the definition of dwc:habitat
which you<br>
> can view at<br>
> <a moz-do-not-send="true"
href="http://code.google.com/p/darwincore/source/browse/trunk/rdf/dwcterms.rdf"
target="_blank">http://code.google.com/p/darwincore/source/browse/trunk/rdf/dwcterms.rdf</a><br>
> says<br>
><br>
> dwc:habitat rdf:type rdfs:Property<br>
><br>
> whereas the document I received at the end of those four redirects
tells me<br>
> that<br>
><br>
> envo:00002036 rdf:type owl:Class<br>
><br>
> Since<br>
><br>
> owl:Class rdfs:subclassOf rdfs:Class<br>
><br>
> then we are effectively changing the current DwC "habitat" term
from a<br>
> property into a class similar to dwc:Occurrence,
dwc:Identification,<br>
> dwc:Taxon, etc. which are all of type rdfs:Class.<br>
><br>
> So I'm left wondering what I can do with the new term. With the
old term I<br>
> could make a statement like<br>
><br>
> <<a moz-do-not-send="true"
href="http://bioimages.vanderbilt.edu/baskauf/50750#eve"
target="_blank">http://bioimages.vanderbilt.edu/baskauf/50750#eve</a>>
dwc:habitat "deciduous<br>
> forest"<br>
><br>
> or something like that if I take the hint from the DwC class
groupings that<br>
> dwc:habitat might be a property of dwc:Event instances. But I
can't<br>
> meaningfully say<br>
><br>
> <<a moz-do-not-send="true"
href="http://bioimages.vanderbilt.edu/baskauf/50750#eve"
target="_blank">http://bioimages.vanderbilt.edu/baskauf/50750#eve</a>>
envo:00002036<br>
> "deciduous forest"<br>
><br>
> That doesn't make any sense because the way I understand RDF,
predicates<br>
> should be properties, not classes. Even if we weren't talking
about RDF,<br>
> I'd still have the same problem (we are changing a property into a
class) -<br>
> it's just easier for me to make plain what the issue is by giving
RDF<br>
> examples. So just exactly what can I "do" with envo:00002036 ?????<br>
><br>
> I haven't looked up the RDF for the other proposed terms (too much
work with<br>
> the four redirects), but I suspect if I did, I'd find that they
are also<br>
> classes and not properties. This particular issue is a case of a
broader<br>
> issue that I have about OBO-style ontologies. They are great for
defining<br>
> how many, many kinds of classes are related to each other. But
they provide<br>
> very few properties that could be used as predicates to serve as
properties<br>
> of instance data.<br>
><br>
> Steve<br>
><br>
> John Wieczorek wrote:<br>
><br>
> Dear all,<br>
><br>
> GBIF has just published "Meeting Report: GBIF hackathon-workshop on<br>
> Darwin Core and sample data (22-24 May 2013)" at<br>
> <a moz-do-not-send="true"
href="http://www.gbif.org/orc/?doc_id=5424" target="_blank">http://www.gbif.org/orc/?doc_id=5424</a>.
Now that this document is<br>
> available for public reference, I would like to formally open the<br>
> minimum 30-day comment period on the new environmental terms
proposed<br>
> during the workshop and defined in the referenced document.<br>
><br>
> The formal proposal would change the term habitat to align it with
the<br>
> ENVO habitat term. The related issues in the Darwin Core issue
tracker<br>
> is <a moz-do-not-send="true"
href="https://code.google.com/p/darwincore/issues/detail?id=178"
target="_blank">https://code.google.com/p/darwincore/issues/detail?id=178</a>.
The<br>
> Darwin Core term habitat would be redefined as follows:<br>
><br>
> Term Name: habitat<br>
> Identifier: <a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00002036" target="_blank">http://purl.obolibrary.org/obo/ENVO_00002036</a><br>
> Namespace: <a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/" target="_blank">http://purl.obolibrary.org/obo/</a><br>
> Label: Habitat<br>
> Definition: A spatial region having environmental qualities which
may<br>
> sustain an organism or a community of organisms.<br>
> Comment: Examples: "freshwater habitat",<br>
> "<a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00002037" target="_blank">http://purl.obolibrary.org/obo/ENVO_00002037</a>".
For discussion see<br>
> <a moz-do-not-send="true"
href="http://code.google.com/p/darwincore/wiki/Event" target="_blank">http://code.google.com/p/darwincore/wiki/Event</a>
(there will be no<br>
> further documentation here until the term is ratified)<br>
> Type of Term: <a moz-do-not-send="true"
href="http://www.w3.org/2000/01/rdf-schema#Class" target="_blank">http://www.w3.org/2000/01/rdf-schema#Class</a><br>
> Refines:<br>
> Status: proposed<br>
> Date Issued: 2008-11-19<br>
> Date Modified: 2013-09-25<br>
> Has Domain:<br>
> Has Range:<br>
> Refines:<br>
> Version: <a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00002036" target="_blank">http://purl.obolibrary.org/obo/ENVO_00002036</a><br>
> Replaces: habitat-2009-04-24<br>
> IsReplaceBy:<br>
> Class: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/Event" target="_blank">http://rs.tdwg.org/dwc/terms/Event</a><br>
> ABCD 2.0.6: not in ABCD (someone please confirm or deny this)<br>
><br>
> The formal proposal would add the following new terms for biome,<br>
> environmental feature, and environmental material:<br>
><br>
> Term Name: biome<br>
> Identifier: <a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00000428" target="_blank">http://purl.obolibrary.org/obo/ENVO_00000428</a><br>
> Namespace: <a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/" target="_blank">http://purl.obolibrary.org/obo/</a><br>
> Label: Biome<br>
> Definition: A major class of ecologically similar communities of<br>
> plants, animals, and other organisms. Biomes are defined based on<br>
> factors such as plant structures (such as trees, shrubs, and
grasses),<br>
> leaf types (such as broadleaf and needleleaf), plant spacing
(forest,<br>
> woodland, savanna), and other factors like climate. Unlike
ecozones,<br>
> biomes are not defined by genetic, taxonomic, or historical<br>
> similarities. Biomes are often identified with particular patterns
of<br>
> ecological succession and climax vegetation.<br>
> Comment: Examples: "flooded grassland biome",<br>
> "<a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_01000195" target="_blank">http://purl.obolibrary.org/obo/ENVO_01000195</a>".
For discussion see<br>
> <a moz-do-not-send="true"
href="http://code.google.com/p/darwincore/wiki/Event" target="_blank">http://code.google.com/p/darwincore/wiki/Event</a>
(there will be no<br>
> further documentation here until the term is ratified)<br>
> Type of Term: <a moz-do-not-send="true"
href="http://www.w3.org/2000/01/rdf-schema#Class" target="_blank">http://www.w3.org/2000/01/rdf-schema#Class</a><br>
> Refines:<br>
> Status: proposed<br>
> Date Issued: 2013-09-25<br>
> Date Modified: 2013-09-25<br>
> Has Domain:<br>
> Has Range:<br>
> Refines:<br>
> Version: <a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00000428" target="_blank">http://purl.obolibrary.org/obo/ENVO_00000428</a><br>
> Replaces:<br>
> IsReplaceBy:<br>
> Class: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/Event" target="_blank">http://rs.tdwg.org/dwc/terms/Event</a><br>
> ABCD 2.0.6: not in ABCD (someone please confirm or deny this)<br>
><br>
> Term Name: environmental feature<br>
> Identifier: <a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00002297" target="_blank">http://purl.obolibrary.org/obo/ENVO_00002297</a><br>
> Namespace: <a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/" target="_blank">http://purl.obolibrary.org/obo/</a><br>
> Label: Environmental Feature<br>
> Definition: A prominent or distinctive aspect, quality, or<br>
> characteristic of a biome.<br>
> Comment: Examples: "meadow",<br>
> "<a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00000108" target="_blank">http://purl.obolibrary.org/obo/ENVO_00000108</a>".
For discussion see<br>
> <a moz-do-not-send="true"
href="http://code.google.com/p/darwincore/wiki/Event" target="_blank">http://code.google.com/p/darwincore/wiki/Event</a>
(there will be no<br>
> further documentation here until the term is ratified)<br>
> Type of Term: <a moz-do-not-send="true"
href="http://www.w3.org/2000/01/rdf-schema#Class" target="_blank">http://www.w3.org/2000/01/rdf-schema#Class</a><br>
> Refines:<br>
> Status: proposed<br>
> Date Issued: 2013-09-25<br>
> Date Modified: 2013-09-25<br>
> Has Domain:<br>
> Has Range:<br>
> Refines:<br>
> Version: <a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00002297" target="_blank">http://purl.obolibrary.org/obo/ENVO_00002297</a><br>
> Replaces:<br>
> IsReplaceBy:<br>
> Class: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/Event" target="_blank">http://rs.tdwg.org/dwc/terms/Event</a><br>
> ABCD 2.0.6: not in ABCD (someone please confirm or deny this)<br>
><br>
> Term Name: environmental material<br>
> Identifier: <a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00010483" target="_blank">http://purl.obolibrary.org/obo/ENVO_00010483</a><br>
> Namespace: <a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/" target="_blank">http://purl.obolibrary.org/obo/</a><br>
> Label: Environmental Material<br>
> Definition: Material in or on which organisms may live.<br>
> Comment: Examples: "scum",<br>
> "<a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00003930" target="_blank">http://purl.obolibrary.org/obo/ENVO_00003930</a>".
For discussion see<br>
> <a moz-do-not-send="true"
href="http://code.google.com/p/darwincore/wiki/Event" target="_blank">http://code.google.com/p/darwincore/wiki/Event</a>
(there will be no<br>
> further documentation here until the term is ratified)<br>
> Type of Term: <a moz-do-not-send="true"
href="http://www.w3.org/2000/01/rdf-schema#Class" target="_blank">http://www.w3.org/2000/01/rdf-schema#Class</a><br>
> Refines:<br>
> Status: proposed<br>
> Date Issued: 2013-09-25<br>
> Date Modified: 2013-09-25<br>
> Has Domain:<br>
> Has Range:<br>
> Refines:<br>
> Version: <a moz-do-not-send="true"
href="http://purl.obolibrary.org/obo/ENVO_00010483" target="_blank">http://purl.obolibrary.org/obo/ENVO_00010483</a><br>
> Replaces:<br>
> IsReplaceBy:<br>
> Class: <a moz-do-not-send="true"
href="http://rs.tdwg.org/dwc/terms/Event" target="_blank">http://rs.tdwg.org/dwc/terms/Event</a><br>
> ABCD 2.0.6: not in ABCD (someone please confirm or deny this)<br>
><br>
> The related issues in the Darwin Core issue tracker are<br>
> <a moz-do-not-send="true"
href="https://code.google.com/p/darwincore/issues/detail?id=189"
target="_blank">https://code.google.com/p/darwincore/issues/detail?id=189</a><br>
> <a moz-do-not-send="true"
href="https://code.google.com/p/darwincore/issues/detail?id=190"
target="_blank">https://code.google.com/p/darwincore/issues/detail?id=190</a><br>
> and<br>
> <a moz-do-not-send="true"
href="https://code.google.com/p/darwincore/issues/detail?id=191"
target="_blank">https://code.google.com/p/darwincore/issues/detail?id=191</a><br>
><br>
> If there are any objections to the changes proposed for these
terms,<br>
> or comments about their definitions, please respond to this
message.<br>
> If there are no objections or if consensus can be reached on any<br>
> amendments put forward, the proposal will go before the Executive<br>
> Committee for authorization to put these additions into effect
after<br>
> the public commentary period.<br>
><br>
> Cheers,<br>
><br>
> John<br>
> _______________________________________________<br>
> tdwg-content mailing list<br>
> <a moz-do-not-send="true">tdwg-content@lists.tdwg.org</a><br>
> <a moz-do-not-send="true"
href="http://lists.tdwg.org/mailman/listinfo/tdwg-content"
target="_blank">http://lists.tdwg.org/mailman/listinfo/tdwg-content</a><br>
><br>
> .<br>
><br>
><br>
><br>
><br>
> --<br>
> Steven J. Baskauf, Ph.D., Senior Lecturer<br>
> Vanderbilt University Dept. of Biological Sciences<br>
><br>
> postal mail address:<br>
> PMB 351634<br>
> Nashville, TN 37235-1634, U.S.A.<br>
><br>
> delivery address:<br>
> 2125 Stevenson Center<br>
> 1161 21st Ave., S.<br>
> Nashville, TN 37235<br>
><br>
> office: 2128 Stevenson Center<br>
> phone: <a moz-do-not-send="true" href="tel:%28615%29%20343-4582"
value="+16153434582" target="_blank">(615) 343-4582</a>, fax: <a
moz-do-not-send="true" href="tel:%28615%29%20322-4942"
value="+16153224942" target="_blank">(615) 322-4942</a><br>
> If you fax, please phone or email so that I will know to look for
it.<br>
> <a moz-do-not-send="true" href="http://bioimages.vanderbilt.edu"
target="_blank">http://bioimages.vanderbilt.edu</a><br>
><br>
><br>
> _______________________________________________<br>
> tdwg-content mailing list<br>
> <a moz-do-not-send="true">tdwg-content@lists.tdwg.org</a><br>
> <a moz-do-not-send="true"
href="http://lists.tdwg.org/mailman/listinfo/tdwg-content"
target="_blank">http://lists.tdwg.org/mailman/listinfo/tdwg-content</a><br>
><br>
><br>
> --<br>
> Steven J. Baskauf, Ph.D., Senior Lecturer<br>
> Vanderbilt University Dept. of Biological Sciences<br>
><br>
> postal mail address:<br>
> PMB 351634<br>
> Nashville, TN 37235-1634, U.S.A.<br>
><br>
> delivery address:<br>
> 2125 Stevenson Center<br>
> 1161 21st Ave., S.<br>
> Nashville, TN 37235<br>
><br>
> office: 2128 Stevenson Center<br>
> phone: <a moz-do-not-send="true" href="tel:%28615%29%20343-4582"
value="+16153434582" target="_blank">(615) 343-4582</a>, fax: <a
moz-do-not-send="true" href="tel:%28615%29%20322-4942"
value="+16153224942" target="_blank">(615) 322-4942</a><br>
> If you fax, please phone or email so that I will know to look for
it.<br>
> <a moz-do-not-send="true" href="http://bioimages.vanderbilt.edu"
target="_blank">http://bioimages.vanderbilt.edu</a><br>
><br>
><br>
> .<br>
><br>
><br>
><br>
><br>
> --<br>
> Steven J. Baskauf, Ph.D., Senior Lecturer<br>
> Vanderbilt University Dept. of Biological Sciences<br>
><br>
> postal mail address:<br>
> PMB 351634<br>
> Nashville, TN 37235-1634, U.S.A.<br>
><br>
> delivery address:<br>
> 2125 Stevenson Center<br>
> 1161 21st Ave., S.<br>
> Nashville, TN 37235<br>
><br>
> office: 2128 Stevenson Center<br>
> phone: <a moz-do-not-send="true" href="tel:%28615%29%20343-4582"
value="+16153434582" target="_blank">(615) 343-4582</a>, fax: <a
moz-do-not-send="true" href="tel:%28615%29%20322-4942"
value="+16153224942" target="_blank">(615) 322-4942</a><br>
> If you fax, please phone or email so that I will know to look for
it.<br>
> <a moz-do-not-send="true" href="http://bioimages.vanderbilt.edu"
target="_blank">http://bioimages.vanderbilt.edu</a><br>
<br>
</div>
</div>
</div>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Steven J. Baskauf, Ph.D., Senior Lecturer
Vanderbilt University Dept. of Biological Sciences
postal mail address:
PMB 351634
Nashville, TN 37235-1634, U.S.A.
delivery address:
2125 Stevenson Center
1161 21st Ave., S.
Nashville, TN 37235
office: 2128 Stevenson Center
phone: (615) 343-4582, fax: (615) 322-4942
If you fax, please phone or email so that I will know to look for it.
<a class="moz-txt-link-freetext" href="http://bioimages.vanderbilt.edu">http://bioimages.vanderbilt.edu</a>
</pre>
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