[FRIAM] Evolution in vary environments

[PPARYSKI at aol.com]

St. Nick,
 
Generally the biodiversity hotspots are tropical  or semi-tropical  island 
systems with very high mountains.  Such sites have a large spread of  unique 
climatic and orthographic conditions.  In addition, if by chance or  migration 
continental species land on such ecosystems they quickly  speciate.  An example: 
the American robin landed in Hispanola and over  hundreds of year speciated, 
a to become the  Laselle Thrush (Turdus swalesi), and more than 30% of the  
flora on Hispanola is endemic including Salvia  paryskii , a tree.  The island 
has 11  ecozones.
 
cheers  Paul. 



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