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Which type of nations typically have greater human population growth than that area's resources can support?
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50. Population Ecology
The Human Population
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Suppose it’s now the year 2100, the human population size has soared to 10.7 billion, and technology advancements allowed us to increase the biologically productive global hectares to 35 billion gha. Considering this, what would be the maximum sustainable per capita ecological footprint? If the actual per capita ecological footprint is estimated to be 3.00 gha per person, what could all of this imply about the Earth’s carrying capacity for humans?
A
1.43 gha per person.
B
2.34 gha per person.
C
3.27 gha per person.
D
3.70 gha per person.
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Identify the total biologically productive global hectares available, which is given as 35 billion gha.
Determine the total human population size, which is given as 10.7 billion people.
Calculate the maximum sustainable per capita ecological footprint by dividing the total global hectares by the total population: \( \frac{35 \text{ billion gha}}{10.7 \text{ billion people}} \).
Interpret the calculated per capita ecological footprint to understand its implications. If the calculated value is less than the actual ecological footprint of 3.00 gha per person, it suggests that the current consumption is unsustainable.
Consider the implications of the actual ecological footprint being higher than the sustainable footprint. This could indicate that the Earth's carrying capacity is being exceeded, leading to potential environmental degradation and resource depletion.
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