Well all that i know is the the tuna population has decreased 96.4% over the years because of over fishing and pollution
It is a judgment call based on the accuracy required, time allotted and costs. If you need data quickly, at a reasonable cost and time (of course depending on how many individuals there are in the population), you would take a sample. If the population is a reasonable number that all individuals in the population could be used, then go for the census.
It takes about 3 hours if your driving at a reasonable speed
It would take a couple of weeks at a reasonable walking pace. You also have to remember that you have to cross the North Sea by ferry.
400 years
The distance between the starting point and the destination is 21.7mi, (34.9km), and with reasonable traffic conditions it will take approximately 33 minutes of driving time.
Depends on how much power thirst you drink.
how long did it take to double from 3 billion to 6 billion
33.4 years for south Africa to double
I would say 20mins would be a reasonable time for a recreational jogger.
With a 2009 rate of natural increase in Mexico of 1.13%, its population would be expected to double in ~61 years.
The distance between the starting point and the destination is 194mi, (312km), and with reasonable traffic conditions it will take approximately 3 hours 20 minutes of driving time.
The distance between the starting point and the destination is 1,389 miles, (2,235km), and with reasonable traffic conditions it will take approximately 25 hours driving time.