Tactics and Vectors 98/99
                           

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Great Circle Hypotheis  

Magnetoclinic Hypothesis

Magnetic-Latitude Hypothesis

Compass Bearings Hypothesis

Suns' Azimuth Hypothesis

Expansion-Contraction Hypothesis

Always Advance Hypothesis

Never Go Back Hypothesis

 

 

 

Analyses of Pooled Field Data

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Descriptive Circular Statistics for Pooled Directional data for
1978, 1979, and 1980 Monarch Butterfly Migrations in Southern Ontario


Group

N

Mean Bearing

r

A.D.

95% C.I.


1)  All observations

575

222° (SW)

0.66***

47°

2)  A within 3 m

49

232° (SW)

0.68***

46°

16°

3)  All aligned

24

234° (SW)

0.87***

29°

13°