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Study of Foraging of Organisms in the Ecosystem
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Assignments

 

  1. Sit and wait predators maximizes the energy it gains. Cite examples to validate the statement.
  2. Discuss the foraging of Kingfisher in a semicircular foraging area?
  3. Explain the relation between the size of the foraging area and waiting time of the predator with an example.
  4.  Consider a semicircular foraging area, with a prey abundance of 20 in every 100 second. Cut off radius of the foraging area is taken as 1 with an incrementing fraction 2. Suppose the end value of the foraging area is 40. Plot the reciprocal proportion of waiting time of predator and the total abundance of the prey population. Interpret the graph.
  5. The optimal strategy for the animal may vary due to the changes in the environmental conditions. Consider in a particular season, the abundance of prey population is thought to be 0.85, velocity is 60. The energy content of each prey is 1000; the energy expenditure per second while waiting for the prey is 1.3The flying speed of the predator is 60. Assume the foraging area as semicircular with the cut off radius 3, end value 80, and fraction 3)

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