A Field Guide to Animal Tracks by Olaus Johan Murie PDF

By Olaus Johan Murie

ISBN-10: 0395183235

ISBN-13: 9780395183236

ISBN-10: 0395199786

ISBN-13: 9780395199787

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Because it does not account for the imate p a r t i a l dhFerenlial e q u a t i o n is easy to w r i t e , since it is a c o r r e l a t i o n w i t h distance. generalization o f ihe H c l m h o l l / . e q u a t i o n o n p, 73. i H i We can t r y to f o r m u l a i c a scheme o f homogeneous but Honisotropic m i g r a t i o n I i n an u n l i m i t e d p o p u l a t i o n

W h i c h is the law o f p r o b a b i l i t y o f q when q is lixed. Let us assume it to be a f o r m o f t y Gauss's law w i t h mean value q f- öf;;), o{q\ being small and such that ¿(0; £ 0 and a{\) ^ 0, and w i t h a s m a l l variance. = w{q) £ 0. b c i n ^ equal l o zero only for q •- 0 and q - 1. L e i us assume, for instance, that the 2N gametes which produce lhc F „ n Qfe taken al r a n d o m f r o m an infinitely large n u m b e r of gametes produced by F, and have essentially the frequencies, q and 3 .

R is much greater than o_ "Ihe same equation, and the same result, is true foe every migration l a * all of whose reduced moments art hounded [43], and the I t d m h o l t ' equation is valid for an isolropie migration of any dimensionality. 1 (1) We can measure the frequency, i / . , o f a Mendelian gene (with¬ out geographic selection) at a large number o f points. dl So, in u nidi mensi anal cases. ^~ — ^ # = 1) gives an exponential ? J - c) calculated f r o m t w o points, P, and Pj, whose distance is r.

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A Field Guide to Animal Tracks by Olaus Johan Murie


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