[Mastwatch] Shorea albida

Ferry Slik ferryslik at hotmail.com
Wed Mar 26 16:48:26 PDT 2014

I saw a talk about peat swamp fish when I was at the Asian Biogeography meeting in Berlin last year, that also suggests that the peats have been around for a considerable time.... So they must have been moving around the Sunda Shelf, probably following the historical sea levels and with large expanses in central Sundaland during glacial maxima....

Ferry Slik
Associate Professor
Faculty of Science
Universiti Brunei Darussalam,
Jln Tungku Link, Gadong, BE1410, Brunei Darussalam.



Plants of Southeast Asia

 plant species synonym website

Date: Wed, 26 Mar 2014 09:23:36 -0500
From: chuck.cannon at gmail.com
To: mastwatch at lists.phylodiversity.net
Subject: Re: [Mastwatch] Shorea albida

    Hi Peter,


    In thinking about these peats, it's imporatnt to include their
    historical geography.  For much of the last ice age, there was
    probably a large unified (?) peat in central Sundaland, possibly
    much larger and certainly slightly cooler than today. 


    I've always been amazed that such a small forest type, that is often
    highly fragmented naturally, could produce such high biodiversity
    that was also highly specialized.  In extreme environments, you
    typically get a few species that strongly dominate the community
    because of clear and pervasive selection pressures.  perhaps the
    conditions are not as extreme as all of that either but there does
    seem to be a strong environmental filter.  


    The fact that the area was probably substantially larger in the past
    would partially answer that question. 


    All the best,



    On 03/25/2014 04:58 AM, Ashton, Peter

        Hi ewverybody,


        All interesting, including Colin (Maycock?) at Danum who says
          there has been little drought up there to date, - out of
          kilter with Sunda further west as so often. But there is
          another potentially intriguing aspect of this issue which UBD
          sleuths can get on to, and for which I have brought Ian
          Baillie in as he has had an interest in the coastal climate of
          NW Borneo: Primary seringawan forest should evapotranspire
          roughly as much vapour as the sea surface, so where is the
          climatic coastline, on the true sea front or at the back of
          swamps where extensive? Of course coastal development, and
          conversion to oil palm down the coast, wil laffect this. But,
          if the climatic coastline is at the back of the swamp, that
          might explain why swamps flower at different times from inland


        And Joe (it is always good to hear from you!), what has
          happened to what was left of Andulau, by far the most
          important forest for conservation from a tree species endemism
          perspective (and probably a lot more, such as soil fauna and
          flora, and arthropods, besides)?





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