Summary: Applied Animal Ecology

Read the summary and the most important questions on Applied Animal Ecology

• 1 Week 1

• 1.1.1 Day 1: general framework

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• What are 3 different ways to measure performance?

  1. Surival
  2. Growth
  3. Reproduction

• 1.1.2 Day 2

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• What is the formula for exponential growth?

  dN/dt = r * N

• 1.1.3 Day 3

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• What is the Leslie and Lefkovitch Matrix?

  Transition probabilities between age or stage classes. You mostly focus on the diagonal and the upper horizontal line of the corresponding table.

• What is the difference between lambda en the basic reproduction rate?

  Lambda = whole population
  Basic reproduction rate = 1 cohort

• When do you have the highest recruitement?

  With an intermediate population size.

• What are the values of D&B at the carrying capacity (K)?

  B = D (the intersect dus)

• What is the mean of life/r?

  Exponential or instantaneous  or intrinsic rate of increase.

• Why do ecologists prefer the exponential growth model?

  Because when doubling or halving the population, the exponential rate of increase remains the same. (just + or -)

• What is the intrinsic rate of increase (rmax)?

  The maximum growth rate which is specific for each species.

• What are the assumptions of logistic growth?

  1. The carrying capacity is a constant
  2. Population growth is not affected by the age distribution
  3. Birth and death rates change linearly with population size (it is assumed that birth rates and survivorship rates both decrease with density, and that these changes follow a linear trajectory);