Species-level taxonomy

Susan Davis made this Freedom of Information request to Joint Nature Conservation Committee

The request was partially successful.

From: Susan Davis

16 September 2008

Dear Sir or Madam,

I would like to learn about JNCC's approach to species-level
taxonomy.

Please could you tell me, for each taxonomic group which it works
with, what approach JNCC uses to ensure that the species-level
taxonomy it uses for that group is up-to-date and accurate? How,
for example, do you ensure that appropriate, consistent and current
species concepts or criteria are applied within and between groups,
and how do you ensure that individual changes proposed in the
scientific literature are evaluated, and if appropriate, adopted?
What processes and information sources are used to support these
approaches, what advisory bodies does JNCC use for this, and are
changes adopted on a periodic or a rolling basis?

Thank you

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From: Sue McQueen
Joint Nature Conservation Committee

19 September 2008

Dear Ms Davies,

Thank you for your enquiry. We will provide you with a response by 15th October, 2008.

Regards

Sue McQueen

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From: Sue McQueen
Joint Nature Conservation Committee

22 September 2008

Dear Ms Davis,

In respone to your enquiry about JNCC's aproach to species-level taxonomy, we use the NBN dictionary for all taxanomic groups. This is maintained by the Natural History Museum and can be accessed at http://nbn.nhm.ac.uk/nhm/. Unfortunately we do not hold the information about how these lists are maintained However, there is a link at the bottom of the web page to the dictionary manager, who may be able to assist you further.

Yours Sincerely

Sue McQueen.

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From: Susan Davis

22 September 2008

Dear Sue,

Thank you for your reply. I've taken a look at the NBN species
dictionary, and I have two further questions.

The dictionary does not just contain a single taxonomic treatment
for every taxon, but consists of a number of overlapping lists, and
these different lists use different taxonomic treatments in many
cases. In some cases (e.g. Herring Gull) the dictionary manager has
been able to match entries in one list with those in another,
minimising the number of duplicate entries across all lists, but in
other cases (e.g. European Nightjar) this has not been done.

My two additional questions are:

i) where there is more than one group of matches relating to the
same taxon, what rules does JNCC apply to decide which treatment to
follow?

ii) within a matched group, no "master" taxonomic treatment for
each matched group is listed. What rules does JNCC apply to decide
which taxonomic treatment to follow?

Yours sincerely,

Susan Davis

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From: Sue McQueen
Joint Nature Conservation Committee

23 September 2008

Dear Ms Davis,

In answer to your additional questions please see the following information.

Within the dictionary there are lists that are flagged as preferred lists i.e. the field "TAXON_LIST_VERSION.RECOMMENDED_LIST" is set to true. Where at all possible the matches should be made to entries on these lists that, currently, contain very little if any overlap. Where the name is not on one of these we would attempt to match to the Marine Conservation Society's marine species list and where that fails use the Recorder 3 list. All of these lists are actually contained within the species dictionary

In addition to this there is a name matching facility (held within the NAMESERVER table in the dictionary). This is not complete but in essence attempts to match a name to a current preferred name (ie. one that exists on one of the preferred lists) and includes information on the state of the match etc. So the name "Herring Gull" might not appear directly on a preferred list but its scientific name would and the Nameserver table would match the common name to its scientific name.

I hope this information is useful. Further information (including the meaning of the codes etc) can be obtained form the Natural History Museum.

Yours Sincerely

Sue McQueen

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From: Susan Davis

23 September 2008

Dear Sue,

Thanks for this clarification. Could you provide me with a list of
the lists which have Preferred List status, or let me know how I
can find this information out?

Yours sincerely,

Susan

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From: Sue McQueen
Joint Nature Conservation Committee

25 September 2008

Dear Susan,

As it is the Natural History Museum who is responsible for the Species Dictionary and the website please contact the Dictionary Manager there for further information. The link to the Dictionary Manager is on this web page http://nbn.nhm.ac.uk/nhm/.

Kind regards

Sue

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Susan Davis left an annotation ( 2 October 2008)

See the following request for follow-up information from the Natural History Museum

http://www.whatdotheyknow.com/request/nh...

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From: Susan Davis

10 October 2008

Dear Sue,

Many thanks for your help with this request. I have been in touch
with NHM and they have been able to provide me with the full list
of Preferred lists.

Yours sincerely,

Susan Davis

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From: Sue McQueen
Joint Nature Conservation Committee

13 October 2008

Thanks for the feedback.

Sue

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