Rare or Threatened?

Robin Leech releech at TELUSPLANET.NET
Tue Jul 24 06:30:23 CDT 2001


Richard,
This topic was covered at length on TAXACOM about a year ago or more.  In
sum, you have to know if the rarity is a collecting artifact (i.e., not many
collected because of few collectors, collectors not knowing the habitat to
collect in, or what!), or if there really are few individuals of a
particular species.  Examples were given for both cases.
Robin Leech
----- Original Message -----
From: "Vr. Richard Bejsak-Colloredo-Mansfeld" <ricardo at ANS.COM.AU>
To: <TAXACOM at USOBI.ORG>
Sent: Monday, July 23, 2001 4:03 PM
Subject: Rare or Threatened?


> Dear colleagues,
>
> I would like to know how to categorize abundance of the insect.
> What is beetle like Rosalia alpina? Rare or Endangered?
> Is there any link between category like:
> Very common - Common - Very abundant - Abundant - Rare - Very rare -
> Sporadic
> and category like:
> Common - Vulnerable  - Threatened - Endangered - Critically Endangered???
>
> Is there any paper, publication dealing with this issues?
>
> Thank you very much for your help.
> Keep care and be of good cheer.
>
> Regards
>
> (name) Vratislav Richard Eugene Maria John Baptist
> (surname) of Bejsak (Bayshark)-Colloredo-Mansfeld
>
> website: http://www.coleoptera.org
> listserver: coleoptera on www.egroup.com/group/coleoptera/info.html
> Coleoptera - Australia, Tenebrionidae of World
> (incl. Lagriinae, Alleculinae)
>
> University of Sydney
> The Wentworth Bldg., Box 62
> NSW 2006
> AUSTRALIA
> phone  :  +61 414 540 465
> email: vratislav at bigfoot.com
>            ricardo at ans.com.au
>            (before Ricardo at compuserve.com
>              and    ricardo at login.cz )
>
> Only after the last tree has been cut down,
> only after the last river has been poisoned,
> only after the last fish has been caught,
> only then will you find that money can not be eaten.'
>         CREE INDIAN PROPHECY.
>
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