Ecological Archives A016-011-A5

Peter B. Pearman, Mike R. Penskar, Edward H. Schools, and Helen D. Endander. 2006. Identifying potential indicators of conservation value using Natural Heritage occurrence data. Ecological Applications 16:186–201.

Appendix E. Spearman rank correlations and significance levels among five indicator groups evaluated in 1900 Michigan townships using number of species and number of occurrences of species.

Species number
     
 

Wetland

Forest

Natural areas

Community

Pooled high value

0.46
(<0.0001)

0.54
(< 0.0001)

0.31
(<0.0001)

0.50
(<0.0001)

Wetland 

1.00

0.51
(<0.0001)

0.06
(0.0082)

-0.04
(0.10)

Forest 
 

1.00  

0.15
(<0.0001) 

0.05
(0.02) 

Natural areas
 
 

1.00 

0.66
(<0.0001) 

Community 

 
 
 

1.00 
 
 
 


Occurrences 




 

 

 

 

 

Pooled high value 

0.46
(<0.0001) 

0.55
(<0.0001) 

0.30
(<0.0001) 

0.48
(<0.0001) 

Wetland 

1.00 

0.51
(<0.0001)  

0.06
(0.01)  

-0.04
(0.13) 

Forest 
 

1.00
 

0.15
(<0.0001) 

0.06
(0.01) 

Natural areas 
 
 

1.00 

0.67
(<0.0001) 

Community 
 
 
 

1.00 

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