Fwd: Linguistic studies have shallow time-depth; climate Change and Post-Glacial Human Dispersals in Southeast Asia

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This is a message posted by Sri Kalyan Raman on the group Akandabharatam and he has forwarded the same to me.

 

I invite comments from the group.

 

regards,

 

Kishore patnaik

 

 

---------- Forwarded message ----------kalyan97 <kalyan97Wed, Mar 26, 2008 at 7:52 AM

Fwd: Linguistic studies have shallow time-depth; climate Change and Post-Glacial Human Dispersals in Southeast Asiakishore patnaik <kishorepatnaik09

 

 

 

What I like about this abstract is that it confirms my hypothesis thatlinguistic studies of the IE or proto-IE variety, have shallowtime-depth; and hence, linguists (of the proto-IE variety) should

pause before pontificating about phonetics of ancients withoutstudying linguistic areas as in Sarasvati civilization with mlecchaspeakers.kMBE Advance Access published online on March 21, 2008

Climate Change and Post-Glacial Human Dispersals in Southeast AsiaSoares et al.Mol Biol Evol 2008 0 (2008), p. msn068v1Pedro Soares1, , Jean Alain Trejaut2, , Jun-Hun Loo2, Catherine Hill1,Maru Mormina1,3, Chien-Liang Lee2, Yao-Ming Chen4, Georgi Hudjashov5,

Peter Forster6, Vincent Macaulay7, David Bulbeck8, StephenOppenheimer9, Marie Lin2 and Martin B. Richards11 Institute of Integrative and Comparative Biology, Faculty ofBiological Sciences, University of Leeds, Leeds, UK

9 School of Anthropology, University of Oxford, OxfordCorresponding author: Martin B. Richards, Institute of Integrative andComparative Biology, Faculty of Biological Sciences, L.C. MiallBuilding, University of Leeds, Leeds, LS2 9JT, UK. Phone.: +44

0113–343 2984, Fax: +44 0113–323 2835, E-mail:m.b.richardsModern humans have been living in Island Southeast Asia (ISEA) for atleast 50,000 years. Largely because of the influence of linguistic

studies, however, which have a shallow time depth, the attention ofarchaeologists and geneticists has usually been focused on the last6000 years – in particular, on a proposed Neolithic dispersal fromChina and Taiwan. Here we use complete mitochondrial DNA (mtDNA)

genome sequencing to spotlight some earlier processes that clearly hada major role in the demographic history of the region but havehitherto been unrecognised. We show that haplogroup E, an importantcomponent of mtDNA diversity in the region, evolved in situ over the

last 35,000 years and expanded dramatically throughout ISEA around thebeginning of the Holocene, at the time when the ancient continent ofSundaland was being broken up into the present-day archipelago byrising sea levels. It reached Taiwan and Near Oceania more recently,

within the last 8000 years. This suggests that global warming andsea-level rises at the end of the Ice Age, 15,000–7000 years ago, werethe main forces shaping modern human diversity in the region.http://mbe.oxfordjournals.org/cgi/content/abstract/msn068v1

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