AAT claim human ancestors pattime dived for seesile foods
- From: Marc Verhaegen <m_verhaegen@xxxxxxxxx>
- Date: Sun, 01 Jun 2008 01:08:45 +0200
http://www.simonstown.com/tourism/whales/whales.htm
...
Southern Right whales ...swim fairly slowly at an average speed of 6
kilometres
and hour when cruising, although than can reach 11 kilometres an hour in
short
bursts.
...
Humpback whales... Their swimming speed is about 12 kilometres an hour (3 to
9
miles an hour), although speeds of up to 25 kilometres (15 to 16 miles) an
hour
have been recorded.
...
Orcas... can attain speeds of up to 30 kilometres and hour
...
http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?isnumber=4231074&arnumber=42310
84&count=124&index=9
Measurement of swimming speed in sperm whales
...
Average velocity during the dive was 1.77 plusmn 0.39 m s-1 (n =137). Maximum
velocity of each whale was 4.2-9.6 m s-1 (n = 8)
...
Etc
Human swimming speeds
http://hypertextbook.com/facts/2000/NoahKalkstein.shtml
:-)
http://groups.yahoo.com/group/AAT <http://groups.yahoo.com/group/AAT>
AAT: Shore Adaptations in the genus Homo
-Human Evolution based on Comparative anatomy/physiology
-Littoral Diaspora after Homo & Pan split ~5 Ma
-Comparative & Fossil information on ape & human evolution
AAT:
-Aquatic Ape Theory of human evolution (original term E.Morgan 1982)
-Aquarboreal Apes Theory of Mio-Pliocene apes (aqua=water arbor=tree)
-Amphibious Ancestors Theory of Plio-Pleistocene Homo (AAT strict sense)
AAT s.s. is based on human behavior/anatomy/physiology/DNA compared to
chimps & living animals:
Waterside food collection (fruits/(coco)nuts, turtle/bird eggs,
shell/crayfish, water(side)plants, drowned bovids, stranded whales...)
explains unique Homo traits (not in apes/australopiths) better than forest
or plains dwelling:
-large brain (frequent in water(side) mammals),
-slow-diving skills (record >100 metres),
-voluntary breath control (record >10 minutes), preadaptation for voluntary
sound production (speech),
-small mouth & biting muscles,
-tongue bone descent,
-projecting nose (typical of semi-aquatics),
-poor sense of smell (disproves savanna dwelling),
-handiness/tools (durophagy, typical in waterside mammals),
-late puberty & long life span (oppostie of savanna mammals),
-alined head-spine-legs (typical of fequent swimming),
-flat feet (disproves swavanna dwelling),
-fur loss (frequent in tropical (semi)aquatics),
-fatness (typical of species that spend a lot oftime in water),
-reduced climbing,
-profuse sweating (requires lots of water & sodum, both scarce on savannas),
-high needs of water (drinking, low renal concentration),
-high needs of sodium,
-high needs of iodine (coast),
-poly-unsaturated fatty acids (eg, DHA), in abundance in aquatic foods
-etc.
All these are present in different combinations in (semi)aquatic animals but
strikingly absent in, eg, savanna mammals.
After Homo & Pan split ~64 Ma, Homo populations spread along seashores &
from there inland along lakes/rivers in savannas & elsewhere, eg, crossed 18
km sea to Flores 0.8 Ma: tools/fossils 2.5-0.1 Ma are found near Rift valley
lakes & even (sea level fluctuations hindered fossilisation) Indian Ocean &
African coasts, often amid seashells: Mojokerto, Dungo V Baia Farta, Terra
Amata, Table Bay, Eritrea...
M.Westenhöfer 1942 Der Eigenweg des Menschen. Mannstaede
A.Hardy 1960 Was Man more aquatic in the past? NS 7:624
M.Roede...1991 The Aquatic Ape: Fact or Fiction? Souvenir
E.Morgan 1997 The Aquatic Ape Hypothesis. Souvenir
M.Verhaegen...2002 Aquarboreal ancestors? TREE 17:212
S.Cunnane 2005 Survival of the Fattest. World Scientific
P.Tobias http://allserv.rug.ac.be/~mvaneech/outthere.htm
Symposium 1999 Water & Human Evolution
http://allserv.rug.ac.be/~mvaneech/Symposium.html
<http://allserv.rug.ac.be/~mvaneech/Symposium.html>
http://allserv.rug.ac.be/~mvaneech/Verhaegen.html
<http://allserv.rug.ac.be/~mvaneech/Verhaegen.html>
http://groups.yahoo.com/group/AAT <http://groups.yahoo.com/group/AAT>
.
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