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Hunting is not just a means to get food, William.
It is also simply tremendous fun
One may become quite addict to. And addiction prevents sound reasoning and seriously impairs our ability to forecast the consequences of our activities.
OK Squall, I first thought you're just an hypocrite but you're obviously also an plain idiot.
Such disappearances have normally been considered as either a response to climate change, a result of the proliferation of modern humans, or both ...
The extinction of megaherbivores in the late Pleistocene is explained by one of two hypotheses, or a combination of the two: climate change, and the ecological impact of early humans. Not only hunting, but anthropogenic fire selected for the survival of ruminants more than the survival of browsing mammals, and against carnivores and scavengers which fed on both.
... in 2007 a cometary impact hypothesis was presented ...
It is absurd or just hypocrisy and at any rate ridiculous ...
It isn't a prevalent theory (hypothesis really) except where some preach the doctrine of contempt for aboriginals including paleolithic man.
I don't remember the extinctions in Diamond's book, maybe because my bullshit filter caught it.
When do you suppose someone will explain all those frozen mammoths? And how about all those bones of large tropical animals on the Arctic islands to the north?
Not even these statements are true. If, as you claim now you were talking about isometric scaling, increasing the muscle strength by a factor of 10 means that you increase muscle cross-sectional area by that factor of 10 or the linear scale by the square root of 10 i.e. by a factor of a bit more as 3.1. This implies with isometric scaling an increase in volume or weight of the animal by a factor about 31 and by no means a factor of 100 as you claimed erronously in your previous post.
Moreover allometric rather than isometric scaling obviously does take place in biology and so your argument is merely out of topic and irrelevant anyway.
Isometric scaling is governed by the square-cube law. An organism which doubles in length isometrically will find that the surface area available to it will increase fourfold, while its volume and mass will increase by a factor of eight.
When an object undergoes a proportional increase in size, its new volume is proportional to the cube of the multiplier and its new surface area is proportional to the square of the multiplier.
This can present problems for organisms. In the case of above, the animal now has eight times the biologically active tissue to support, but the surface area of its respiratory organs has only increased fourfold, creating a mismatch between scaling and physical demands. Similarly, the organism in the above example now has eight times the mass to support on its legs, but the strength of its bones and muscles is dependent upon their surface area, which has only increased fourfold. Therefore, this hypothetical organism would experience twice the bone and muscle loads of its smaller version.
I'm saying that we know much more about megafauna extinction and the major role our species played in this phenomenon, a reality at odds with your ridiculous and pretentious claims.
Moreover you've most likely perfectly well got my point and as PaleoPhil I'll spent no more time arguing with hypocrites.
This is just plain wrong reasoning.
What scaling theory in biology actually tells us can be learned here instead.
http://en.wikipedia.org/wiki/Allometry
If just muscle cross-sectional area increases by a factor of 10 and its length remains unchanged it scales precisely as the volume or mass of the animal and everything would be OK. There is no factor of 100 in weight change.
Period.
Quote from: SquallI think all that the evidence indisputably shows is that they were wiped out, period.
This is just wishful thinking. Period.
As most of your post(s) about our species's so called "ability to forecast" what were the consequences of its behaviour and activities on the ecosystems it lived in. Very funny.
There are several obvious flaws in some of the above claims. First of all, elephants don't have the biggest size possible of all land animals. There were plant-eating dinosaurs of a far bigger size than mere elephants, so mammoths could easily live and survive with their much smaller size, by comparison.
Also, it makes perfect sense, economically and logically, for palaeo tribes to eat the flesh of any fellow tribal members who die in the hunt or from old age etc. Killing other tribes for food would provide a partial explanation for why palaeo populations stayed relatively static for long periods.
So your fear is not that it's going to "scare people away" in general, but rather that it's going to scare away the sort of people you want around and attract those you don't, yes?
Tyler and Alphagruis are doing a sufficient job of refuting your unsupported claims re: megafauna extinction and related matters, so I'll leave it to them.
If it's "not an unpopular motif, even in these forums" then why would it "scare people away" more than it would attract people in? Are you admitting that it's at least unpopular outside of these forums?
I can't be guilty of BOTH promoting a "doom and gloom" view of the Stone Age AND of promoting a "noble savage" view of an idyllic Stone Age.
If you have SPECIFIC facts that point in a different direction, then by all means share them, otherwise you're posts will serve mostly as time-wasting rantings ...
... our ancient ancestors, apparently starting with Homo erectus and continuing to this day, engaged in wanton destruction of other species (both prey and competitor predators) in a carnage unprecedented in the whole history of the planet. Given that hominids began exterminating whole species of animals once they mastered hunting technologies and techniques and continued to do so through most of human history and still do so today, it's unlikely that early Paleolithic humans were particularly concerned with being wardens of the earth. Can you imagine a H. erectus even considering it, much less enforcing it, given that verbal language hadn't even developed? I think the conservation-minded approach likely developed (like most things) out of necessity, once most of the megafauna were exterminated. It's an approach I advocate, but I don't think it was common in the early or middle Paleolithic.
Human history is drenched in blood and we are literally the products of that blood. If human beings have an original sin it is probably the annhilation of countless other species of animals and plants. It's time that we as a species grew up and came to grips with that and stopped pretending, as many vegans are wont to do, that we are a pristine pure species that tasted nary a drop of blood and never harmed as much as a fly and were perfect wardens of the environment until evil modernity arose. ...
This is one of the most common errors I've noticed in discussion forums--making negative assumptions about the motivations and thinking of others instead of investingating to find out what people's actual views and motivations are. I've noticed that when such assumptions are made that they are often the most negative imaginable, which seems more like ad hominem and setting up straw men than honestly addressing controversial issues. We've probably all made this error at some point in our lives, but surely it's best to try to avoid it as much as possible. If you have questions about why a specific person here or elsewhere finds overhunting to be a plausible important factor (not necessarily the only one) in the extinction of multiple megafauna or why someone is skeptical of some of William's extravagant claims about the Stone Age and Stone Agers, then feel free to ask them (or in the case of people outside this forum like published scientists, read their forum/blog posts, articles or books) instead of making assumptions. Then if you disagree with the reasons given, share why you do instead of just attributing their views to sociopathy, self-loathing, etc.
Your previous ridiculous notion that palaeo humans had nothing to do with that is absurd, of course. Any significant evidence shows that humans wiped out huge amounts of megafauna c. 40,000 years ago, well within the Palaeolithic era.
I agree emphatically with Alphagruis. One of the unpopular realities that many people of all dietary stripes seem to have difficulty coming to terms with, is that our ancient ancestors, apparently starting with Homo erectus and continuing to this day, engaged in wanton destruction of other species (both prey and competitor predators) in a carnage unprecedented in the whole history of the planet. Given that hominids began exterminating whole species of animals once they mastered hunting technologies and techniques and continued to do so through most of human history and still do so today, it's unlikely that early Paleolithic humans were particularly concerned with being wardens of the earth. Can you imagine a H. erectus even considering it, much less enforcing it, given that verbal language hadn't even developed? I think the conservation-minded approach likely developed (like most things) out of necessity, once most of the megafauna were exterminated. It's an approach I advocate, but I don't think it was common in the early or middle Paleolithic.
Human history is drenched in blood and we are literally the products of that blood. If human beings have an original sin it is probably the annhilation of countless other species of animals and plants. It's time that we as a species grew up and came to grips with that and stopped pretending, as many vegans are wont to do, that we are a pristine pure species that tasted nary a drop of blood and never harmed as much as a fly and were perfect wardens of the environment until evil modernity arose. I realize that this is an unpopular conclusion (especially with the afore-mentioned vegans and Paleo utopians like brother William), but it seems inescapable to me based on the evidence, and winning popularity contests has never been my goal.
Unpopular conclusion indeed but inescapable, I agree with PaleoPhil and definitely disagree with the idyllic view of William
bison suet
lamb fat
marrow bones
goat heart
goat spleen
ground goat
beef tongue
bison cutlets
turkey breast
boar sausage
One of the oddities of American usage is that the people of the country once known as the U.S.A don't seem to be aware that there are many other American countries, most of them incapable of so-called American usage, as they don't speak American.
This refers to modern Inuit, who are a sickly and suicidal group compared to their pre-contact ancestors.
The model used is of the pre-contact Eskimos, who never cooked anything. I've lived in their land, and the only fuel in sight was the diesel, jet fuel and propane that came on the supply aircraft.
Hey Squall,
Any update on your panicky symptoms when eating high amounts of fat? Is it still happening? Interested to know if you persevered with eating the same amounts of fat until the symptoms died away!!
I'd like to share how the modern hunter gatherer Aeta survive while hunting wild boar, wild deer and wild fowl in their forest mountain.
A panicky feeling sounds as though the adrenals are being overstretched - my advice is to go raw but add in plenty of raw carbs until the problem goes away(not veggie-juice or liquid honey, however raw, I mean raw fruit and raw honeycomb)