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An Illustrated Guide to Theoretical Ecology!

Ted J. Case, Oxford University Press!

µ¶�·¸¹º�%»¼½¾!

;5&R%"ST¿/':;5XYÀ£¡ÁÂ!""ÃÄÅƪ"²b³´!

4!

ST¿/':s!

Gause 1934, Roughgarden 1971!

From Case 2000!

Paramecium aurelia!

Image from http://mtlab.biol.tsukuba.ac.jp/www/

PDB/Images/Ciliophora/Paramecium/aurelia/!

Davidson 1938!

From Case 2000!

Sheep introduced into Tasmania!

5!

Voles in Sweden!

Hornfeldt 1994!

From Case 2000!

http://www.natuurbeleving.be/zoogdieren/

Rosgrijze_Woelmuis_Clethrionomys-rufocanus.html!

ÇÈC:ST¿/'s!

6!

CÉ£Ê! DZËÌÍ!

Image from!

http://hp.brs.nihon-u.ac.jp/~ocean/kenkyu/hormone.html!

Daphnia magna!

Image from!

http://dmc.utep.edu/rotifer/html/nsp1.html!

Pratt 1943!

From Case 2000!

Halbach 1979!

From Case 2000!

7!

Image from http://www.xeye.org/1995-2000/

LemmZoo.html!

Lemmings!Dicrostonyx groenlandicus!

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From Case 2000!

8!

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Raggett 1982, Brown and Rothery 1993!

Outbreak of the Great Plague

in a village in England, late

17th century.!

350 �:l×&wØÙ8:Q 83�!

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10!

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{1, 1.5, 2.25, 3.375, 5.0625, 7.59375, 11.3906, 17.0859, 25.6289, 38.4434, 57.665,

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r = 1.5, N0 = 1 :IJ! Nt = N0 rt! 12! Nt = 1.5t!

0 5 10 15 20

500

1000

1500

2000

2500

3000

3500

4000

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14!

Nt = N0 rt! :cd:e;0I.Iv !

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0 5 10 15 20

500

1000

1500

2000

2500

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3500

4000

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15!

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16!

�H:;:2_!

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「新人口論-生態学的アプローチ」 農山漁村文化協会 1998 Joel E. Cohen著　重定・瀬野・高須共訳

17!

1_GH Doubling Time!

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t!

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18!

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19!

ÊË|À Robin :s!ÊË|À:µ}+O~0{-c;ã+�82µ}:&zX0�=8ñòLack

1965!

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ã! 0! 1! 2! 3! 4+!

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r = e–0.97 = 0.38!

Brown and Rothery 1993!

20!

�xGH Half Life!

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t!

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(0 < s < 1)!

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21!

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Brown and Rothery 1993!

23!

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26!

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double pop_density = 1.0, r=1.1;!

int t;!

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27!

% ./a.out > data!

% gnuplot!

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patchlevel 1!

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