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Plants measured in the PHEN plot at Hegg Lake

We finished measuring plants in Jennifer’s Phenology plot at Hegg Lake WMA this Friday.

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We measured many plants.

We measured about 2700 plants. Eight plants flowered this year. We visited another 1300 locations where we couldn’t find a plant (mostly because they had died). Here’s a map of the plot with the status of each location (click to see a bigger version)…
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In addition to Echinacea angustifolia, we saw some good prairie plants in the plot, including lead plant (Amorpha canescens), yellow lady-slipper (Cypripedium calceolus), prairie rose (Rosa arkansana), Missouri goldenrod (Solidago missouriensis), silver leaf scurf pea (Psoralea argophylla), and many others.

It was a big job, but we were quite efficient. We laid out 50m tapes on every other row to help guide us. Four of us went out on Wednesday to flag positions 1 and 50 for all rows. That took ~2h. We started flagging positions 10, 20, but that was unnecessary. On Thursday we all went out and measured from 2-4 pm. On Friday we did two shifts: 10 -12 and 2:30 -5.

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We were happy to be done.

On the way out we removed a weed that we had noticed the day before–spotted knapweed. We were careful not to touch it because it can be a skin irritant. I’d never seen this plant in the study area before.

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Heading home.

What a great way to end the week. It was Katie and Laura’s last day. They are heading back to the Chicago Botanic Garden to prepare their posters and talks.

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