Research update: May 2017

May is over and summer is officially here! In the past, this has meant that it’s time for me to get up on the green roofs and start collecting data again. But not this year.

ksiazek mikenas penstemon hirsutus green roof summer blooming pollination diversity

Penstemon hirsutus or “hairy beardtongue,” is one of the species that I am studying for my dissertation. It started blooming on a green roof by the end of May. My research found that although the genetic diversity of this population is not very high, the flowers still get visited by a lot of pollinators. Pollinator visits can help keep genetic diversity from becoming too low – this is a good sign for the Penstemon.

This past May, my research schedule was a bit different because I have been busy trying to finish analyzing my data and writing up my results. I’m in the processes of finishing my Ph.D. and wanted to defend my dissertation by the end of the month. So instead of collecting new data, I looked at what I had already gathered and worked hard on uncovering the story that the data had to tell. I’m happy to say that by the end of the month I had written a story of how green roofs could be used for conservation of native plants. I then presented the nearly 200 pages of information to my defense committee in a 30-minute oral presentation and they asked me questions about my research for about 3 hours. All in all, it was a long process, but it was also very exciting to be able to look back at all the research that I’ve done over the past 6 years and finally be able to say that I have some conclusions and recommendations. The committee decided that I passed this test, which was excellent news! I still have some revisions that I need to incorporate into my overall dissertation and then I’ll continue working on getting my research published in peer-reviewed journals. This will take some time. But I’ll have all the revisions done so I get to be called “Dr.” this year, which was my goal.

Defense Cover ksiazek mikenas green roof habitat

The first slide of my dissertation defense. Can green roofs provide habitat for native plant species? In a word, YES! (But the other thousands of words in my dissertation also say that “It’s complicated” …)

As I transition from research for my dissertation to a new career path, there is no new research or data collection. In fact, I’ll be taking some time off this summer from both the research and the blog posts. I’m sure it will be strange not visiting some of the green roofs that I’ve been going to year after year. But I’m also sure that I’ll enjoy some of the cooler temperatures on the ground when the sun is really beating down on the hot, hot rooftops. After tending to some of my sites for 4 years now, it’s time to see what they do on their own.

Happy summer to all! Go visit a green roof this season. I’ll talk to you again in September!

green roof prairie summer ksiazek mikenas chicago botanic

My green roof plots at the Chicago Botanic Garden continue to grow and are looking good to start their fifth summer season. Without monitoring or data collection this year, it will be interesting to see how they do. Good luck my little plants!

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