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Originally posted by SugarCube
Great.. lets cut down some more trees - this is doing a great service to science and enables anthropologists and other assorted scientists to attract grants to investigate the phenomena and feed their families while the world goes down the tubes. Hey, we all have bills to pay!
I'd rather they remain hidden, given that the one thing we have not managed to learn from 'ancient and lost civilisations' is how to prevent ourselves from imploding.
There really isn't a 'bonus' side to cutting down the rainforests...
Originally posted by steveetienne
you could cut down the entire amazon rainforest - leave it for twenty years and the whole thing would have grown anew.
Originally posted by SLAYER69
As time passes we will find more and more of them IMO.
For what it's worth I finished this book back in July. I enjoyed every page.
[atsimg]http://files.abovetopsecret.com/images/member/67676134d4fb.gif[/atsimg]
‘The Lost City of Z’: In search of an Amazon explorer who disappeared in 1925
[edit on 1-1-2010 by SLAYER69]
Originally posted by steveetienneyou are wrong in entirety - having been a biologist for 45 years and avid gardener i can categorically state that many swathes of rainforest over the entire planet have been destroyed by naturally occurring events such as fire, flood or earthquake and within a matter of a few small years the mass of plant life within the various rain forests on earth grow back at an alarmingly reassuring rate - obviously grand trees take longer to reappear but pioneer species of plants reappear vigorously and healthily extremely quickly. indeed many species ofg plants and trees actually rely on being decimated by fire in order for their seeds to germinate.
Originally posted by SugarCube
Originally posted by steveetienne
you could cut down the entire amazon rainforest - leave it for twenty years and the whole thing would have grown anew.
Not exactly true.
Having been part of an anthropological expedition to the Rainforests of Queensland, Australia, I have some knowledge of the respective eco-system.
Rainforests in these areas tend to rely on a continuous decay process to promote the propagation of new life as the soil itself cannot sustain the plant life per se. As the forest vegetation dies so it returns the nutrients necessary for further growth.
It is difficult to grow a completely new forest from fallow ground in these areas. A 'cell' is required which essentially expands over a relatively slow period of time.
The issue for a lot of 'tree huggers' is not necessarily the CO2 aspect, or global warming or any other disaster scenario, it is simply the fact that wiping out rain forests destroys the micro-eco systems that specialised life forms rely on and have adapted to. Those life forms cannot evolve quick enough to keep pace with the destruction and so die off.
The ethos of exploration should always be 'first do no harm'. We should work within the boundaries of the natural world and if we can do this then maybe we can build our societies to work in a self supporting manner.
Learning from 'ancient & lost' civilisations is not about 'it' telling us what to do, but about learning what we should NOT do.
Originally posted by steveetienne
you are wrong in entirety - having been a biologist for 45 years and avid gardener i can categorically state that many swathes of rainforest over the entire planet have been destroyed by naturally occurring events such as fire, flood or earthquake and within a matter of a few small years the mass of plant life within the various rain forests on earth grow back at an alarmingly reassuring rate - obviously grand trees take longer to reappear but pioneer species of plants reappear vigorously and healthily extremely quickly. indeed many species ofg plants and trees actually rely on being decimated by fire in order for their seeds to germinate.
In the Amazon the first 2 inches of soil (which happens to fit with the decaying biomass) is where the nutrients are, and after that the soil is acidic. It is possible for the forest to reconstitute itself if its allowed to, but if it's always being cleared and forced into areas, it would take centuries or millenia if the damage is to severe. Actually if it's cleared enough, you could have a scenario called desertification where the fauna is gone and the soil (even though it can grow crops) won't be able to support the fauna that was pushed out of the area. And with less tropical or indigenous fauna, the people would have to supply the area with nutrients and if they just keep it to the areas they are growing large swaths of the cleared jungle will eventually turn arid and scrub. Have any of the nay sayers out their even considered what would happen if the majority of the Amazon Rainforest (which by conservative estimates produce 20 percent of the world oxygen) was cut what it would do to the atmosphere of this planet.
Washington, April 11 (ANI): The discovery of some of the most fertile soil in the world at an ancient site of charcoal deposit in central Amazon, might help to revolutionize farming, as well as curb global warming.
Fifteen hundred years ago, tribes people from the central Amazon basin, mixed their soil with charcoal derived from animal bone and tree bark. Today, at the site of this charcoal deposit, scientists have found some of the richest, most fertile soil in the world.
Because this ancient, remarkably simple farming technique seems far ahead of its time, it holds promise as a carbon-negative strategy to rein in world hunger as well as greenhouse gases.
According to scientists, charcoal derived from heated biomass has an unprecedented ability to improve the fertility of soil one that surpasses compost, animal manure, and other well-known soil conditioners.
Originally posted by l77way
you would think in this day and age with this information about the black soil that there shouldn`t be any people starving in the world or not being able to grow a good yield