Illinois Natural History Survey - University of Illinois

Table 4. A sample from the Illinois Natural Areas Inventory showing acres of all grades A and B prairie natural communities for three of 14 natural divisions; "C" indicates that only Grade C habitat is present in the division or section, "P" indicates that this natural community is present in the division or section, but the quality is not known. (Extracted from Table 6 in White, 1978).

 

 

Natural Community

 

Natural Division and Section

State-wide totals for natural communities

1

2a

2b

3a

3b

3c

3d

A

B

A

B

A

B

A

B

A

B

A

B

A

B

A

B


Prairie

 

                               

Dry prairie

C

C

               

C

1.3

0.1

Dry-mesic prairie

   

1.0

     

0.6

8.2

   

1.3

3.0

 

2.0

9.4

50

Mesic prairie

   

0.6

0.5

   

25

62

3.8

1.9

9.5

31

 

2.0

54

220

Wet-mesic prairie

   

1.9

3.1

                   

26

99

Wet prairie

     

8.0

     

4.6

 

3.1

12

73

   

12

169

Dry sand [prairie

       

C

   

122

16

   

C

122

293

Dry-mesic sand prairie

   

0.4

0.6

       

219

20

14

21

   

256

81

Mesic sand prairie

               

55

38

9.0

44

C

69

90

Wet-mesic sand prairie

               

14

7.0

 

12

   

16

26

Wet sand prairie

               

79

60

 

6.5

   

79

84

Dry gravel prairie

     

1.0

P

 

3.0

9.2

       

0.4

5.2

3.4

15

Dry-mesic gravel prairie

     

11

     

2.4

   

1.0

1.2

8.5

19

9.5

34

Mesic gravel prairie

                   

8.9

9.7

   

8.9

9.7

Dry dolomite prairie

P

 

4.1

5.4

   

C

       

C

4.1

6.9

Dry-mesic dolomite pr.

           

1.0

3.0

           

1.0

7.2

Mesic dolomite prairie

           

1.0

3.0

           

1.0

3.0

Wet -mesic dolomite pr.

             

14

           

14

Wet dolomite prairie

             

5.0

           

5.0

Loess hill prairie

 

2.5

                       

158

214

Glacial drift hill prairie

         

0.3

               

14

20

Gravel hill prairie

             

0.5

           

0.9

2.5

Sand hill prairie

1.6

0.5

                       

1.6

0.5


Shrub prairie

 

                     

3.1

C

60

 

Total acreages for all natural communities in division /section

1.6

3.0

9.2

177

1.9

22

1123

3692

880

889

122

381

11

36




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