The Rinderpest Eradication
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Questions and Answers

What happens to the wildebeest population when the number is negative?

  • It increases
  • It decreases (correct)
  • It fluctuates
  • It stays the same
  • Based on the information provided, what is the relationship between the size of the number and the effect on the wildebeest population?

  • The size of the number does not affect the population
  • The bigger the number, the less the population is affected
  • The effect on the population is random
  • The bigger the number, the more the population is affected (correct)
  • In which year did the wildebeest population reach approximately 1.3 million?

  • 1997
  • 1994
  • 2000
  • 1998 (correct)
  • When did the drought that affected the wildebeest population end at the latest?

    <p>1997</p> Signup and view all the answers

    What conditions would cause the wildebeest population to fluctuate around a carrying capacity of 1.3 million?

    <p>Neither A nor B</p> Signup and view all the answers

    The wildebeest population dropped suddenly by about ______ in one year.

    <p>200,000</p> Signup and view all the answers

    The wildebeest population appears to have reached ______ by 1998.

    <p>1.3 million</p> Signup and view all the answers

    The population will continue to fluctuate around a carrying capacity of ______ as long as there are no huge disturbances or new limiting factors introduced into the system.

    <p>1.3 million</p> Signup and view all the answers

    The drought that affected the wildebeest population could have ended as early as ______.

    <p>1994</p> Signup and view all the answers

    The wildebeest population is affected more when ______ the number.

    <p>the bigger</p> Signup and view all the answers

    Match the following events with their impact on the wildebeest population:

    <p>Negative number = Population decrease End of drought = Population increase Huge disturbances = Population fluctuation Year 1998 = Population reaches 1.3 million</p> Signup and view all the answers

    Match the following years with the associated events in the wildebeest population:

    <p>1994 = Earliest possible end of drought 1997 = Latest possible end of drought 1998 = Population reaches 1.3 million One year = Population drop by 200,000</p> Signup and view all the answers

    Match the following population numbers with their significance in the wildebeest population:

    <p>Negative = Indicates a decrease in population 200,000 = Sudden drop in population in one year 1.3 million = Carrying capacity Bigger number = More effect on population</p> Signup and view all the answers

    Study Notes

    Fluctuations in the Serengeti wildebeest population

    • Rinderpest, a disease, was killing animals in the Serengeti before 1961.
    • Rinderpest spread from domestic cattle to wild animals like wildebeest and buffalo.
    • Cattle began being vaccinated against rinderpest in the early 1960s.
    • By 2011, rinderpest was completely eliminated.
    • The wildebeest population started at around 250,000 and rose to 1.5 million.
    • The absence of rinderpest and abundance of grass led to increased wildebeest population.
    • Overpopulation resulted in competition for grass, leading to some wildebeest dying due to lack of food.
    • The wildebeest population displayed cyclic fluctuations, with periods of increase and decrease.
    • During periods of lower population, there was ample food, leading to population increase.
    • After 1977, the population fluctuated by small amounts, except for a significant decrease during the 1993-1994 drought.
    • The population eventually recovered, reaching 1.3 million by 1998.
    • The wildebeest population will continue to fluctuate around a carrying capacity of 1.3 million unless major disturbances or new limiting factors occur.

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    Quiz: Test your knowledge on the eradication of rinderpest and its impact on wildebeest population in the Serengeti. Discover how successful vaccination efforts led to the elimination of the disease and a significant rise in wildebeest numbers.

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