[Odonata-l] what a difference a wing makes

Ylightfoot@aol.com Ylightfoot at aol.com
Tue Nov 11 11:08:32 PST 2008

Hi Dennis:
I think you would have to look at both the gains (or population  increases) 
in fish species as well as the losses (or population declines),  because I 
suspect in all these aquatic systems where native fish are being lost  or are 
declining, non-native fish are being added or are increasing.  The  net effect of 
this changes in fish communities could be: a) cause odonate  populations to 
decline; b) cause odonate populations to increase; c) leave  odonate populations 
essentially stable.  And different species of odonates,  because of, say, 
different larval niches, could be affected in different ways by  changes in fish 
community structure.
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