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Table 2 

 Criteria for Selection and Quantitative 

 Evaluation of Natural Areas 



Value 



A. Ecological type of community not represented 

 in the National Natural Area System 



1. High natural quality and lack of past or 

 present disturbance. 



2. Protectable viable ecosystem. 



3. Diversity of species and communities. 



Exc. or 

 Hiftb .. 



X2 

 X2 

 X2 



1. National wildlife or esthetic significance. X6 



2. Human economic significance. X4 



3. Number of species. X2_ 



1. Degree of rarity, e.g., only example in region. X2 



2. High number of species . X2 



D. Nesting, breeding, overwintering, or concentrated 



migrating populations of animals. 4 



1. High number of species. 



2. High number of individuals. 



3. Rare species. 



X2 

 X2 

 X2 



Pair 



XI 



XI 

 XI 



B. Endangered, threatened or vanishing species and 

 communities, and special gene pool species, that 

 could be preserved by habitat protection. 



X3 

 X2 

 XI 



C. Relic species, restricted species, at edge of 

 range, unusual to region. 



XI 

 XI 



XI 



XI 

 XI 



E. Sites with deposits of peat, lignite, sediments, 

 fossils, bones and artifacts, for study of past 

 vegetational, climatic, archeological and 

 paleontological history. (10-1) 10_ 



F. Site with high exploration potential for factors 



in E. 10 



G. Sites of well documented scientific research or 

 discovery and type localities, or records over 

 period of years. (10-1) 



10 



H. Oldest, largest or exceptional representatives and 



exceptional associations. (6-1) 6_ 



I. Area where successional trends can be studied, e.g., 

 sand dunes, fire burns, wind damange. (6-1) 6_ 



