Hippo - individual of female young produced per original...

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Name:_____________________ Section:_______________  Assignment #2—Life Tables The life table below has been adapted from:  Laws, R.M. 1968. Dentition and ageing of the hippopotamus.  East  African Wildlife Journal    6 :19-52. . The hippopotamus ( Hippopotamus amphibious ) is a semi-aquatic  mammal living in sub-Saharan Africa.  In the 1960s a culling  program to remove hippos from the Queen Elizabeth Park in  Uganda began. The author of this paper used jaw and teeth  morphology from the killed animals to recreate the population structure of hippos in 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 # of females  produced by  age class # of females  produced per 
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Unformatted text preview: individual # of female young produced per original individuals For graph 0 to 2 207 2 to 4 186 4 to 6 166 6 to 8 158 8 to 10 151 10 to 12 127 43 12 to 14 108 37 14 to 16 82 28 16 to 18 40 14 18 to 20 11 4 20 to 22 3 27 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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Hippo - individual of female young produced per original...

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