Term
| What is the main forest community of the Midwestern hardwood forests? |
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Definition
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Term
| What is the most climate-controlling factor in Midwestern hardwood forests? |
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Definition
| summer drought-increases from east to west |
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Term
| What are the main soil aspects on vegetation in Midwestern hardwood forests? |
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Definition
| soil moisture and aeration |
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Term
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Definition
| the oak savannah is a community of widely scattered oak trees above a prairie layer of grasses and forbs. It is a transition ecosystem between the tallgrass prairie and woodland environments. |
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Term
| what are the two types of oak savannah ecosystems? |
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Definition
black oak savannah
bur oak savannah |
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Term
| define the type of sites that black oak savannahs are found on: |
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Definition
| dry, sandy sites called oak barrens |
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Term
| Where are bur oak savannahs found? |
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Definition
| mesic to bottomland floodplain sites |
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Term
| Name some of the adapatations oaks have to fire: |
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Definition
-extremely thick bark
-high resprouting capacity
-resistance to rotting after scarring
-rapid acorn germination on fire-prepared seedbeds
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Term
| What type of disturbance are oak savannahs most adapted to? |
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Definition
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Term
| What species dominates the oak-pine community of Midwestern hardwood forests? |
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Definition
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Term
| describe the three types of sites in the pine-oak community of Midwestern hardwood forests and which species dominate each: |
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Definition
1) dry sites-shortleaf pine and post oak
2) moist sites-pitch pine and chestnut oak
3) rocky outcrops-eastern redcedar
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