[Mastwatch] West Kal Mast

Mikaail Kavanagh dmikekav at gmail.com
Wed Mar 27 21:15:00 PDT 2019

Hi Friends, 

Interesting point, Peter. I must confess to not knowing that so many of the winged fruit never make it to ground level.

Wong, the video that you circulated (thanks!) got me thinking about the relevance of the winged fruits in terms of evolutionary strategies for different sub-habitats and niches.  Presumably, there would be different selective pressures according to such differences?  In particular, has anyone looked at the wings' effect on floating - potentially for long distances - for such a riverside specialist as, for example, the Neram (Dipterocarpus oblongifolius)?

Thanks for sharing.


Dato’ Dr Mikaail Kavanagh, MBE
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> On 27 Mar 2019, at 6:07 PM, Ashton, Peter <pashton at oeb.harvard.edu> wrote:
> Hi Andreas and mastwatchers,
> There have been several efforts to study the impact of dipterocarp winged fruit on their distance of dispersal. Bu don't forget that the vast majority rarely fall in a wind, and then only into the main canopy a few metres beneath. So studies of the comparative influence of winged versus winglessness on the fate of the embryo (trapped in the canopy versus dropping through (and then what?), survival, predation etc.) deserves study as well.
> Peter
> From: Mastwatch <mastwatch-bounces at lists.phylodiversity.net> on behalf of Andreas Carlson <acarlson at math.uio.no>
> Sent: Wednesday, March 27, 2019 1:54:08 AM
> To: Siew Teu Wong
> Cc: mastwatch at lists.phylodiversity.net
> Subject: Re: [Mastwatch] West Kal Mast
> Dear all, 
> This movie was absolutely stunning! We have been working on understanding how the geometry of these flying fruits influence their flight (https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.122.024501 <https://urldefense.proofpoint.com/v2/url?u=https-3A__journals.aps.org_prl_abstract_10.1103_PhysRevLett.122.024501&d=DwMGaQ&c=WO-RGvefibhHBZq3fL85hQ&r=QF7wtoDqCqPx93omg7bDZoXToRGpzsmD2pgreRf9a74&m=oEo1ZmDAtLb1DWViFO2kYJvttzDwwUn2NgZs9xNRjkc&s=yRfX3IQEdkRjsXw56pIl9QRoY70NNi19ALjC8c8aeb4&e=>).
> Amazing to see this fruiting and fascinating flight! 
> Thanks for sharing. 
> Best,
> Andreas.
> —————————————
> Andreas Carlson
> Associate Professor 
> Department of Mathematics 
> University of Oslo
> E-mail: acarlson at math.uio.no <mailto:acarlson at math.uio.no>
> Phone: (+47) 228-57223
> Web: folk.uio.no/acarlson
> Skype: carlsona
>> On 25 Mar 2019, at 10:02, Siew Te Wong <wongsiew at hotmail.com <mailto:wongsiew at hotmail.com>> wrote:
>> Hi all,
>> This video was posted in FB, taken somewhere in Sibu, Sarawak.
>> https://www.facebook.com/edgar.ong/videos/10155952528861232/ <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.facebook.com_edgar.ong_videos_10155952528861232_&d=DwMGaQ&c=WO-RGvefibhHBZq3fL85hQ&r=QF7wtoDqCqPx93omg7bDZoXToRGpzsmD2pgreRf9a74&m=oEo1ZmDAtLb1DWViFO2kYJvttzDwwUn2NgZs9xNRjkc&s=3kTuXLViT1vPv-0l0R7tAj1rkKSbbR6BrMxqnUSp25o&e=>
>> Thank you.
>> Kindest regards,
>> Wong
>> Dr (Hon) Wong Siew Te, D.J.N.  
>> 准拿督黃修德荣誉博士
>> C.E.O. and Founder, 
>> Bornean Sun Bear Conservation Centre
>> email: wongsiew at hotmail.com <mailto:wongsiew at hotmail.com>
>> skype: wongsiew
>> Cell: 016-555 1256
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>> "May all beings be happy, joyful, well, & at safety & peace!"
>> From: Mastwatch <mastwatch-bounces at lists.phylodiversity.net <mailto:mastwatch-bounces at lists.phylodiversity.net>> on behalf of Philipson Christopher David <christopher.philipson at usys.ethz.ch <mailto:christopher.philipson at usys.ethz.ch>>
>> Sent: Monday, March 4, 2019 6:23 PM
>> To: Cam Webb
>> Cc: mastwatch at lists.phylodiversity.net <mailto:mastwatch at lists.phylodiversity.net>
>> Subject: Re: [Mastwatch] West Kal Mast
>> Hi Cam and all, 
>> I just returned from south India and saw some dip fruiting in the forest reserves in Kerala.  Being seasonal forest its perhaps a bit less relevant to the Borneo fruiting - but it would be interesting to link these cycles climatically and genetically at some point!
>> Cheers
>> Chris
>> Dr. Christopher Philipson
>> christopher.philipson at usys.ethz.ch <mailto:christopher.philipson at usys.ethz.ch>
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>> http://scholar.google.ch/citations?user=9J6ltyUAAAAJ&hl=en&oi=ao <https://urldefense.proofpoint.com/v2/url?u=http-3A__scholar.google.ch_citations-3Fuser-3D9J6ltyUAAAAJ-26hl-3Den-26oi-3Dao&d=DwMGaQ&c=WO-RGvefibhHBZq3fL85hQ&r=QF7wtoDqCqPx93omg7bDZoXToRGpzsmD2pgreRf9a74&m=oEo1ZmDAtLb1DWViFO2kYJvttzDwwUn2NgZs9xNRjkc&s=WXh25JzF6nfly4Z5r-L9cAYPKKgXi8myBRVEO1iEJgs&e=>
>>> On 28 Feb 2019, at 18:53, Cam Webb <cam_webb at yahoo.com <mailto:cam_webb at yahoo.com>> wrote:
>>> Thanks all, for the forest news from across Borneo (and beyond).
>>> It seems the Gunung Palung mast was big: definitely biggest since Feb
>>> 2010, and maybe bigger than that one. Peak fruit fall was several weeks
>>> ago. Dipterocarp flowering started in late Sept 2018. I’ll post more
>>> details when I know them.
>>> Best,
>>> Cam
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