Extinctions reduce speciation

To: "Laurie Knight" <>, <>
Subject: Extinctions reduce speciation
From: "Alan Gillanders" <>
Date: Tue, 8 Apr 2014 08:00:33 +1000
This article is very unconvincing. "Another conclusion is that certain factors, which increase the chance that groups become more different and eventually evolve into separate species, can simultaneously increase the risk that the groups go extinct. One such factor is poor dispersal ability."

An interesting subject but not much material here.


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-----Original Message----- From: Laurie Knight
Sent: Monday, April 7, 2014 5:00 PM
Subject: Extinctions reduce speciation

The same factors that increase the risk of species extinctions also reduce the chance that new species are formed.

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