Fwd: Re: [Annelida] Traditional taxonomy discussion

Geoff Read via annelida%40net.bio.net (by g.read from niwa.co.nz)
Tue Mar 16 15:48:22 EST 2010


Intended for the list.
=================================

>>> On 14/03/2010 at 11:39 p.m., Igor Jirkov <Ampharete from yandex.ru> wrote:
Dear all,

I think there are two different things: biodiveristy research and taxonomy. Biodiversity includes ecology, biogeography (now biogeography often called macroecology) and systematics (sensu Mayr and Simpson, it is not the same as taxonomy). In these biodiversity researches often is necessary to name species and here it used taxonomy.

As to taxonomy, I do not understand why DNA information is more valuable for taxonomy then morphology. It is only other instrument for getting information, like microscope, SEM, and ecological investigation of separate single species. Getting information is not the science at all. Science starts when we begin to think what do results mean. Any difference, does not matter in morphology of DNA should to be interpreted. And there is no precise number which deifference mean species and which does not. Because what is species is a VERY BIG QUESTION. Sure they are. But why in some places they appear for TEN years and in other does not appear for millions. Why elephants evolve faster then our polychaetous? Genetic can not answer and so even does not ask. So studying DNA can not help. Biology is not chemistry, and taxonomy is not genetic. I am sure even very expensive instruments can not replace brain, so I look optimistically for future taxonomy.

Wormly Igor

PS however some money NOW will be welcome...

-- 
Dr. Sc. Igor A. Jirkov
Leading Scientific Researcher
Department of Hydrobiology
Biological faculty
Moscow State University
Moscow
Russia
http://hydro.bio.msu.ru/Personal/Jirkov.htm

NIWA is the trading name of the National Institute of Water & Atmospheric Research Ltd.
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Content preview:  Dear all, I think there are two different things: biodiveristy
   research and taxonomy. Biodiversity includes ecology, biogeography (now biogeography
   often called macroecology) and systematics (sensu Mayr and Simpson, it is
   not the same as taxonomy). In these biodiversity researches often is necessary
   to name species and here it used taxonomy. As to taxonomy, I do not understand
   why DNA information is more valuable for taxonomy then morphology. It is
  only other instrument for getting information, like microscope, SEM, and ecological
   investigation of separate single species. Getting information is not the
  science at all. Science starts when we begin to think what do results mean.
   Any difference, does not matter in morphology of DNA should to be interpreted.
   And there is no precise number which deifference mean species and which does
   not. Because what is species is a VERY BIG QUESTION. Sure they are. But why
   in some places they appear for TEN years and in other does not appear for
   millions. Why elephants evolve faster then our polychaetous? Genetic can
  not answer and so even does not ask. So studying DNA can not help. Biology
   is not chemistry, and taxonomy is not genetic. I am sure even very expensive
   instruments can not replace brain, so I look optimistically for future taxonomy.
   [...] 

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