Chptr3PrblmSolns - -1 deer 2,350 yr deer 300-1 d d = = = K...

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3.1 – 3.17 The solutions for these problems are the solutions for problems 3.1 - 3.17 in the 2 nd edition Solutions Manual . 3.18 a. rabbits 1,750 2 rabbits 3,500 2 * = = = K N Use the midpoint of the first year population (350 rabbits) as N 0 () () () 1 - 0 0 0 yr 0.635 rabbits 3,500 rabbits 350 - 1 rabbits 350 yr rabbits 200 - 1 d d = = = K N N t N r and ( )( ) rabbits/yr 556 4 rabbits 500 , 3 yr 0.635 4 d d -1 * = = = rK t N b. () () ( ) () rabbits/yr 501 rabbits 3,500 rabbits 1,200 - 1 rabbits 200 , 1 yr 0.635 - 1 d d 1 - 0 0 0 = = = K N rN t
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3.19 a. deer 3,500 2 deer 7,000 2 * = = = K N b. Use the mean current population of deer during the year (2,350 deer) as N 0 () () () 1 - 0 0 0 yr 0.192 deer 7,000 deer 2,350
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Unformatted text preview: -1 deer 2,350 yr deer 300-1 d d = = = K N N t N r and ( ) ( ) deer/yr 336 4 deer 000 , 7 yr 0.192 4 d d-1 * = = = rK t N c. ( ) ( ) ( ) ( )( ) ( ) ( ) yr 3.55 deer 3,500-000 , 7 deer 2,350 deer 2350-000 , 7 deer 3,500 ln yr 0.192 1--ln 1 1-= = = N K N N K N r t 3.20 3.28 The solutions for these problems are the solutions for problems 3.18 - 3.26 in the 2 nd edition Solutions Manual ....
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This note was uploaded on 04/03/2008 for the course C E 370 taught by Professor Burgos during the Spring '08 term at Pennsylvania State University, University Park.

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Chptr3PrblmSolns - -1 deer 2,350 yr deer 300-1 d d = = = K...

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