Waterbuck - # of females produced by age class # of females...

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Name:_____________________ Section:_______________ Assignment #2—Life Tables The life table below has been adapted from: Spinage C.A. 1970. Population dynamics of the Uganda Defassa waterbuck ( Kobuck defassa ugandae Neumann) in the Queen Elizabeth Park, Uganda. Journal of Animal Ecology 39 :51-78. The waterbuck is a long necked herbivore and is the most common antelope in Africa. The males are easily identified by their large striated horns. The animals in this study were found in the semi-arid region of Queen Elizabeth Park in Uganda. Individuals were identified in this study by driving surveys in multiple regions of the park. Fill out the life table below: x a x l x F x m x l x m x Log 10 l x age class (years) # entering age class Proportion surviving to start of age class
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Unformatted text preview: # of females produced by age class # of females produced per individual # of female young produced per original individuals For graph 0 to 1 450 1 to 2 225 2 to 3 218 74 3 to 4 218 74 4 to 5 198 67 5 to 6 150 51 6 to 7 130 44 7 to 8 123 42 8 to 9 116 39 9 to 10 45 15 10 to 11 R = Answer the following questions: 1. Is this population stable? Decreasing? Increasing? How can you tell? 2. Graph log 10 l x on the paper grid below. Which age class is most vulnerable and in which age class is the risk of death lowest? 3. If you were in charge of managing this population what techniques or policies would you use to reverse the species decline and why? Discuss at least 3 techniques/policies that you would implement....
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This note was uploaded on 12/25/2009 for the course ENV S 100 taught by Professor Staff during the Fall '08 term at UCSB.

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Waterbuck - # of females produced by age class # of females...

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