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

 

 

Analysis of Field Data for the 1987 Monarch Butterfly Migration in Calhoun, Georgia

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Population Mean Direction:  Totals of Daily Statistics to be used in Calculations (Next Page)

Totals for daily sample sizes, sums of sines, and sums of cosines, for the Sept. 28 - Oct. 10  observations of the Danaus plexippus migration in Calhoun, Georgia

Date 

Table

Sample

Sum of sines

Sum of cosines

Sept.  28

I f      

26       -24.70196        +2.67929         

29

 II g     22       -18.55707        +8.92658         
      30 III u    104        -14.65939        -94.06332         
Oct.    1 IV g    17       -7.54130        -13.59201        
2 V f      21       -19.73475        -2.01808        
3 VI d     6       -1.58857        -5.37692        
4 VII e    9       -1.67672        -8.57567        
5 VIII j   23       -17.95667        -8.53268        
6 IX i    16       +2.71612        -1.50900        
7 X o    46       +17.82636        -32.15475        
8 XI h   6       -0.21884        -5.87897       
9 XII k 

28       

 -24.82740        -2.24120       
10 XIII k  3      

-1.44314       

-2.60474       

Totals 

-  

327    

-112.36333   

-164.94147   

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