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Questions tagged [population]

the size of a particular species in a defined habitat and the consequences for it's sustainability.

8
votes
1answer
64 views

What is the maximum sustainable population of the earth?

This question prompted by discussion regarding this answer to a question about vegetarianism. I recently came across a U.N. review of studies seeking to determine the earth's maximum sustainable ...
6
votes
2answers
259 views

Can Earth sustain 100% vegetarian population

I'm not asking what will happen if everyone in the world suddenly turned to vegetarian. In an ideal world with current population, can everyone follow a vegetarian diet (except for people who may need ...
2
votes
1answer
83 views

How to use Maximum Sustainable Yield concept with given a given population, growth rate and carrying capacity?

For my class, I was given a hypothetical situation that uses the concept of Maximum Sustainable Yield to see how much fish I should harvest. I am given an initial population, a growth rate, and a ...
11
votes
6answers
679 views

What are ethical ways to curb the global human population increase?

The growing global human population is and will be a massive challenge, in particular because of the strain it puts on natural ressources, which might in turn increase tensions between groups and ...
6
votes
1answer
243 views

How did the people living on Easter Island go extinct?

According to a professor in this article on phys.org it's because the population exploded when they wiped out all the forests. What caused the population explosion? Was it the development of a new ...
7
votes
1answer
3k views

What is the IPAT identity, and does it still matter?

A few years ago, the IPAT identity was all the rage when talking about the aggregate human impact on the global ecosystem. What is the IPAT identity exactly, and is it still relevant, or has it been ...
9
votes
1answer
411 views

How much is the world population expected to grow in the next decades?

What does science say about the expected growth of the human population in the next decades?