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Hello all. Please excuse any cross-postings. I have an interesting
question for those interested in analyzing algal data, both
phytoplankton and periphyton. I have had several conversations lately
with other phycologists about calculating diversity indices or other
metrics based on biomass or biovolume and not just abundance. The issue
arises because of the diversity of many algal assemblages, especially
where the assemblage may be numerically dominated by blue-green
pico-plankton or another small species, but the pattern looks quite
different when you look at biovolume or biomass. Any thoughts? I
would be happy to publish responses to the list. Thanks, Ann.
Ann St. Amand, Ph.D.
PhycoTech, Inc.
620 Broad St., Suite 100
St. Joseph, MI 49085
(voice) 1-616-983-3654
(fax) 1-616-983-3653
(E-mail) mailto:astamand at phycotech.com
(web) http://www.phycotech.com
Specializing in Aquatic Analysis
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<P><FONT SIZE=3D2 FACE=3D"Arial">Hello all. Please excuse any =
cross-postings. I have an interesting question for those =
interested in analyzing algal data, both phytoplankton and =
periphyton. I have had several conversations lately with other =
phycologists about calculating diversity indices or other metrics based =
on biomass or biovolume and not just abundance. The issue arises =
because of the diversity of many algal assemblages, especially where =
the assemblage may be numerically dominated by blue-green pico-plankton =
or another small species, but the pattern looks quite different when =
you look at biovolume or biomass. Any thoughts? I =
would be happy to publish responses to the list. Thanks, =
Ann.</FONT></P>
<BR>
<BR>
<P><B><FONT SIZE=3D2 FACE=3D"Tahoma">Ann St. Amand, Ph.D.</FONT></B>
<BR><FONT SIZE=3D2 FACE=3D"Tahoma">PhycoTech, Inc.</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Tahoma">620 Broad St., Suite 100</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Tahoma">St. Joseph, MI 49085</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Tahoma">(voice) =
1-616-983-3654</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Tahoma">(fax) 1-616-983-3653</FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Tahoma">(E-mail) <A =
HREF=3D"mailto:astamand at phycotech.com" =
TARGET=3D"_blank">mailto:astamand at phycotech.com</A></FONT>
<BR><FONT SIZE=3D2 FACE=3D"Tahoma">(web) <A =
HREF=3D"http://www.phycotech.com" =
TARGET=3D"_blank">http://www.phycotech.com</A></FONT>
<BR><B><I><FONT SIZE=3D2 FACE=3D"Tahoma">Specializing in Aquatic =
Analysis</FONT></I></B>
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