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Sierra Club

How do we Know that the Carrying Capacity has been Reached?

There is a very practical way to know if the carrying capacity for food resources has been met: notice how many people are going hungry because there is no more food to be had.  

Responses of the population as a whole and groups within the population will respond in a variety of ways.  Some possibilities are these.

Meanwhile, the population will be under tremendous stress due to constant hunger or worry about finding food for the next meal.  Tempers will flair, and negative social behaviors will increase. Bodies weakened by hunger and malnutrition will be more prone to disease, accident and stress-related inherited conditions.

As the deaths from hunger, disease, accident, and other causes increase, the population size will decrease.  Often, the decrease in population results in enough food for those that are left. 

When a population is close to its carrying capacity, the conditions of enough and not enough cycle back and forth: vascillating above and below the actual carrying capacity value.   The balance is precarious, with the threat of famine constantly looming.

Each of the possible responses listed above have a range of possible consequences.   Often the full range of responses is taken by the population as different groups respond in different ways. Keep reading--page 3

What is the Carrying Capacity if Limited by Hunger? page 1
Some Solutions to the Problem Page3

Read about global warming Essays 1, 2

iAmplify
Get the podcasts of Push 2005, including PUSH-Ethan Zuckerman on globalization.
videos and books on the subject /// curricula for teaching about hunger

 

 

 

Learn more about Heifer International's Read to Feed Program.
Children Reading to Fight World Hunger
 

 
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Valerie Coskrey"s Classroom Tools and Ideas

Human Carrying Capacity
and World Hunger 2

When food resources have reached the limit

Carrying Capacity and World Hunger pages 1>2>3>4

Get links to sites that offer freebies that teachers will find useful.

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modified 12/12/06