South-facing Slopes of Cincinnati/Hamilton Co.

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Matt Markworth
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Joined: Fri Nov 23, 2012 8:41 pm

South-facing Slopes of Cincinnati/Hamilton Co.

Post by Matt Markworth » Tue Nov 24, 2015 7:58 pm

NTS,

Ohio's lowest elevation of 455' is located in the extreme southwest corner of the state on the Ohio River and the slopes on the northern side provide an abrupt change in elevation that is uncommon (but very welcome) in the Buckeye State. The particular area I visited this time had an elevation change of approximately 370' from the Ohio River to the top of the slope.

Here's an example of the topography:
southerly slope.JPG
There are a lot of ownership changes along the river, which is why I gave this topic a general name, as opposed to a specific park or location. I anticipate measuring more trees in this area and will add them to this topic. In the location I recently visited, chinkapin oak was dominant on the south-facing slope. Ohio and Kentucky provide me with an opportunity to measure a lot of chinkapin oaks and I'm going to make chinkapin oak my next focus for a database, similar to the Bur Oak Database.

Here are the 3 trees measured on 11/22/15. I'll put the bur oak in the Bur Oak Database and save the chinkapin oaks for the future Chinkapin Oak Database.

Bur Oak
16'4" x 64.5' x 75'
Embshoff Woods
Forested or Open: Open, with honeysuckle beneath tree
Form: Open-grown
Tree has lost it's top and one side of the crown has been reduced because of a pipeline right of way
Elevation: 842'
Aspect: Flat, resides above the south-facing slope that leads down to the Ohio River
bur oak
bur oak
bur oak
bur oak
bur oak
bur oak
Chinkapin Oak
12'11.5" x 80.7' x 66.5'
Embshoff Woods
Forested or Open: Forested
Form: Intermediate between forest-grown form and open-grown form
Elevation: 805'
Aspect: Southerly
chinkapin oak
chinkapin oak
chinkapin oak
chinkapin oak
Chinkapin Oak
12'1.5" x 69.4' x 59'
Embshoff Woods
Forested or Open: Forested
Form: Intermediate between forest-grown form and open-grown form
Elevation: 783'
Aspect: Southerly
chinkapin oak
chinkapin oak
Matt

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Matt Markworth
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Re: South-facing Slopes of Cincinnati/Hamilton Co.

Post by Matt Markworth » Sat Nov 28, 2015 4:27 pm

All,

Here are some nice forest-grown trees in a ravine that leads down to the Ohio River. They reside 325' - 345' above the elevation of the river.

The ravine is south-facing and the two bur oaks have an easterly aspect and the chinkapin oak has a westerly aspect. There was a large bur oak on the ground that also had an easterly aspect. There are some smaller chinkapin oaks next to the one I measured.

Here's the topography of the ravine:
topo dp.JPG
Bur Oak
13'3.5" x 115' x 79'
Delshire Preserve
- Impressive height, it's the second tallest bur oak I've measured behind the 122.4' bur oak also near the Ohio River
- Impressive girth for a forest-grown bur oak
Elevation: 796'
Aspect: Easterly in a south-facing ravine
Date: 11/28/15
13'3.5" x 115' x 79' bur oak
13'3.5" x 115' x 79' bur oak
Bur Oak
14'2" x 103.5'
Delshire Preserve
- Impressive girth for a forest-grown bur oak
Elevation: 816'
Aspect: Easterly in a south-facing ravine
Date: 11/28/15
14'2" x 103.5' bur oak
14'2" x 103.5' bur oak
Chinkapin Oak
10'6.5" x 86.5'
Delshire Preserve
Form: Forest-grown
Elevation: 815'
Aspect: Westerly in a south-facing ravine
Date: 11/28/15
10'6.5" x 86.5' chinkapin oak
10'6.5" x 86.5' chinkapin oak
Lastly, here's an especially large bur oak leaf, with a camera lens cap for scale:
003.jpg
Matt

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Jess Riddle
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Joined: Sun Mar 14, 2010 10:59 am

Re: South-facing Slopes of Cincinnati/Hamilton Co.

Post by Jess Riddle » Sun Jan 03, 2016 9:17 pm

Matt,

Looking at our data, we have very little information on what trees can do with partial competition, so those chinkapin oaks are especially interesting. Sorry if you've stated this elsewhere, but are the spreads maximums or averages?

Jess

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Matt Markworth
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Re: South-facing Slopes of Cincinnati/Hamilton Co.

Post by Matt Markworth » Sun Jan 03, 2016 10:39 pm

Jess,

The 66.5' and 59' spreads on the chinkapin oaks are average spreads.

I plan on getting some more chinkapin oak measurements this winter. I've also found two locations on south-facing slopes with mid-sized forest-grown blue ashes, which I hope to be able to measure this year.

Here are the details on the two chinkapin oaks:
Embshoff chinkapin oaks.JPG
Matt

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