Soil Survey of McHenry County, Illinois Part I - Soil Data Mart

McHenry County, Illinois—Part II 275
Table 11.--Forestland Management and Productivity--Continued
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| | Management concerns | Potential productivity |
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Map symbol |Ordi- | | Equip- | | | | | | |
and soil name |nation|Erosion | ment |Seedling| Wind- | Plant | Common trees |Site |Produc-|Suggested trees
|symbol|hazard | limita-|mortal- | throw |competi-| |index| tivity| to plant
| | | tion | ity | hazard | tion | | | class*|
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| | | | | | | | | |
1103A: | | | | | | | | | |
Houghton------| 2W |Slight |Severe |Severe |Severe |Severe |Red maple-----------| 56 | 2 |Swamp white oak,
| | | | | | |Silver maple--------| 82 | 2 | hackberry, bur
| | | | | | |White ash-----------| 56 | 3 | oak, green ash,
| | | | | | |Green ash-----------| --- | --- | silver maple,
| | | | | | |Tamarack------------| 52 | 3 | cottonwood,
| | | | | | |Quaking aspen-------| 60 | 4 | sycamore.
| | | | | | |Northern white-cedar| 37 | 4 |
| | | | | | | | | |
1153A: | | | | | | | | | |
Pella---------| 3W |Slight |Severe |Moderate|Moderate|Severe |Northern white-cedar| 33 | 3 |Swamp white oak,
| | | | | | |White ash-----------| --- | --- | hackberry, bur
| | | | | | |American elm--------| --- | --- | oak, green ash,
| | | | | | |Silver maple--------| --- | --- | silver maple,
| | | | | | | | | | cottonwood,
| | | | | | | | | | sycamore.
| | | | | | | | | |
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* Productivity class is the yield in cubic meters per hectare per year calculated at the age of culmination of the
mean annual increment for fully stocked natural stands.