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From: Mario Petrinovic <mario.petrinovic1@zg.htnet.hr>
Newsgroups: sci.anthropology.paleo
Subject: Re: Evolution, Bipedalism, and Precision Throwing in Hominids
Date: Mon, 5 Aug 2024 03:24:42 +0200
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On 4.8.2024. 21:30, JTEM wrote:
>   Mario Petrinovic wrote:
>>          I was thinking about African savanna lately. As I am seeing 
>> it, African Savanna (as compared to Euro-Asian steppe, which, of 
>> course formed only after the last glacial period, I presume) could 
>> form only because of being depleted of people. Savanna, simply, is too 
>> far inland from the sources of salt. But, savanna, originally, emerged 
>> in Europe, north Mediterranean, Vallesian crisis (officially 9.75 mya, 
>> I just glanced through Agusti at al. 2013 paper about the subject, but 
>> I see that they found such environment, with Hipparion horses, 11.5 
>> mya, in Vienna basin). Bipedal apes emerged in the very same environment.
> 
> Ridiculous!
> 
> The savanna is the least capable of supporting biodiversity.
> 
> The population is at it's smallest on the savanna. There's much higher
> biodiversity in the forest. Any population that learned to exploit the
> sea, and I don't even mean they had to build fishing polls here, could
> support an even higher population density/biodiversity than could the
> forest.
> 
> You can argue something of a reverse selection, where a shift to the
> savanna put enormous pressures on a population, because it couldn't
> support as many mouths to feed, so any little advantage could
> persevere. But if that's half the answer than it's the smaller half,
> as it doesn't move our ancestors across the globe or grow them larger
> brains...

		I don't know what you are talking about, of course jungle has higher 
diversity, it isn't the problem in diversity. It is the problem that I 
have hard time to find in Euroasia wild animals that we have in savanna. 
They are all domesticated. Compare zebras to horses. In Asia even 
elephants are domesticated.
		See this:
India (subcontinent) - 1,710,000 sq miles, 1.9 million people, GDP per 
capita roughly the same as in Africa
Africa (continent) - 11,730,000 sq miles, 1.4 million people, GDP per 
capita $ 2,180
Europe (continent) - 3,930,000 sq miles, 0.75 million people, GDP per 
capita $ 34,230
		I would think about this.