while mankind's cities would disappear, our mark would still be left on the world due to our hauling species of plants and animals around the world to places they didn't originally live. If all the humans disappeared, foxes and rabbits would have a grand old time in Australia. Think of all the gardens and lawns in the US... while a lot of them would simply die out, some plants, particularly the ornamental thistles, would likely spread out. Kudzu is just one plant of many that have been brought to the US. Then there are all the wild animal parks... while the animals stay put now, mainly because they are fed well and have no reason to leave, when they get hungry, they'll get out. Sadly, the animals locked in zoo cages will die, unless released, but those in the 'drive through' parks will have a good chance to get loose. Florida is a nightmare of introduced species... everything from alien lizards to monkeys to walking catfish. Australia and Hawaii are in a similar mess.....
How long for a city to crumble naturally ??
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thread resurrection never hurts...
Since we're talking about introduced animals/escaped animals becoming feral, a few questions that maybe someone here can answer:
-I know that certain wildcats and domestic cats can interbreed, according to this site. Will there be a significant increase in the number of hybrid wild cat/domestic cats running around now that humans are gone and the cities are slowly being absorbed by nature?
-What's going to happen to all those animals on exotic farms and animal parks? The last time we brought this up on one of these 'plague threads', I made jokes about herds of wild ostriches and emus wandering the plains of America but is there really enough to sustain a viable breeding population? What about the animals in the zoos? Can we really see a day of having a few small herds of elephants roaming the U.S. Southeast?
-Whaat about plant species? Or bugs? Anybody see weird changes in th ecosystem as a result of humanity's passing?
Since we're talking about introduced animals/escaped animals becoming feral, a few questions that maybe someone here can answer:
-I know that certain wildcats and domestic cats can interbreed, according to this site. Will there be a significant increase in the number of hybrid wild cat/domestic cats running around now that humans are gone and the cities are slowly being absorbed by nature?
-What's going to happen to all those animals on exotic farms and animal parks? The last time we brought this up on one of these 'plague threads', I made jokes about herds of wild ostriches and emus wandering the plains of America but is there really enough to sustain a viable breeding population? What about the animals in the zoos? Can we really see a day of having a few small herds of elephants roaming the U.S. Southeast?
-Whaat about plant species? Or bugs? Anybody see weird changes in th ecosystem as a result of humanity's passing?
humans are such a destructive species. out natural tendencies is to f*** and kill. Look at the DoDo for an example. Or the Oranguatan, which lived all up indochina, butnow only live in Boreo. Or the panther, which now lives in central america, but at one time lived as far north as modern canada! humans destroy anything in thier path to conquest and control.
to answer the question on the OP, probably about 10,000 years, with no enviromental f***ings. stone will probably take about that long to fully deteriorate, wood taking a little bit less time.
to answer the question on the OP, probably about 10,000 years, with no enviromental f***ings. stone will probably take about that long to fully deteriorate, wood taking a little bit less time.
Most crosses are betwen different species (Horse + Donkey = Mule) and these 'hybrids are infertile due to differing numbers of chromosomes.swamphen said:
However, dogs, wolves and coyotes are in fact the same species, and they produce fertile offspring. (See article below from Wikipedia)
"Wolfdog, the cross between a domestic dog and a Wolf. Crosses also occur between coyote, wolves, dingos, and domestic dogs. Many of these produce fertile animals ("dog" & "wolf" are now usually considered the same species, so this may be considered a non-hybrid)."