scholarly journals US ecological survey runs political gauntlet

Nature ◽  
1994 ◽  
Vol 367 (6462) ◽  
pp. 400-400
Author(s):  
Tony Reichhardt
Keyword(s):  
Ecology ◽  
1940 ◽  
Vol 21 (2) ◽  
pp. 273
Author(s):  
Constance E. Hartt ◽  
W. Robyns ◽  
S. H. Lamb
Keyword(s):  

2017 ◽  
Vol 11 (7) ◽  
Author(s):  
Chafi Mohammed El Habib ◽  
Selkh Chouaib ◽  
Bensoltane Ahmed

1921 ◽  
Vol 13 (1-16) ◽  
pp. 523-577 ◽  
Author(s):  
Homer Sampson

The purpose of this survey was to determine as far as possible the composition and ecological relation of the prairie vegetation of Illinois.


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