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Homework answers / question archive /   1)You can safely assume that an idea of yours, which you have labelled with spoken words, has been understood in the same way by the listener who has received the words you have spoken

  1)You can safely assume that an idea of yours, which you have labelled with spoken words, has been understood in the same way by the listener who has received the words you have spoken

Economics

 

1)You can safely assume that an idea of yours, which you have labelled with spoken words, has been understood in the same way by the listener who has received the words you have spoken.

 

 

2. Consider the figure where  Y=You, F=a Friend. In which of the scenarios, (a), (b) or (c) are you and your friend most likely to be able to communicate most successfully?

 

 

 

 

3.

An irrigation farmer will probably be convinced by ecologists’ arguments against diverting water to his crops, because the marshes and swamps that would lose the water are vital regions of biodiversity

 

 

4. Flows change the levels of stocks but the levels of stocks control the rates of the flows

 

 

5. The presence of stocks in a dynamic system will insure that there are never delays in the system’s response to changed conditions.

 

 

 

6. A change in the value of any one of the variables in a feedback system may eventually cause a change in the values of all of the other variables – even feeding back to influence the value of the original variable that was initially changed!

 

 

7. Many conservation biologists suggest that efforts by well-meaning cultural preservationists and anthropologists to protect indigenous peoples’ rights and lands causes degradation of biological diversity and ecological integrity.

 

 

8. Due to human caused climate change, millions of Bangladeshis will be displaced.

 

 

 

 

Question :1

Management actions taken in complex social-ecological systems sometimes result in outcomes intended by the policy makers but always include unintended outcomes that are often undesirable or even catastrophic.

         

 

Question 2.

From a system dynamics perspective, the study of feedbacks is unimportant in finding practical solutions to social-ecological problems.

 

 

Question 3.

System archetypes (“nature’s templates”) can be found in:

 

 

Question 4.

In Dyball & Newell’s Figure 5.18, the variables E, D, J, P and G make up the only feedback loop. The exogenous variables include:

Question 5.

Significant changes in the levels of social or biophysical stocks are always signals of potential problems in human-ecological systems.

Question 6.

Considering Dyball & Newell’s Figure 6.1b stock and flow diagram, how long will it be before the non-renewable resource will be depleted?
 

Question 7.

Considering Dyball & Newell’s Figure 6.1b stock and flow diagram, in which condition would the resource be sustainable?

Question 8.

In the Dyball & Newell Figure 6.2 diagram below, flow rate Rr represents the reproductive (replenishment) rate of tuna, and R2 the catch rate of tuna fishermen. S(t) is the population level (stock) of the tuna over time period, t. Which would be the best factor to monitor in order to assure that the tuna fishery is sustainably harvested?

Question 9.

According to Professor of History, Geography, and Environmental Studies, William Cronon, in The Future of Nature, it is impossible to provide both a human historical experience and a wilderness experience in preserved parklands.

Question 10.

Which of the following is (are) true?

 

 

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