Dallas Chapter

March 2022 Meeting – Dr. Carly Aulicky, North Texas Director of Outreach and Stewardship of NPAT, “Finding Balance in a Changing Landscape: Prairie Biodiversity and Invasive Species ”

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Join us for our March meeting featuring Dr. Carly Aulicky, the North Texas Director of Outreach and Stewardship of NPAT, speaking on “Prairie Plants and Invasives”.  We’ll meet on Monday, March 21st at 6:30pm for social time and start our program at 7:00pm.  https://us02web.zoom.us/j/89376637722?pwd=ay9uY1dZVlN4RGJBNkNEeG9ISC9ZQT09

 

Prairie ecosystems are adapted to grazing and fire, and these disturbance events are necessary to prevent prairies from becoming woodland and help maintain prairie biodiversity. With agricultural conversion and urban expansion, much of North America’s prairies have been lost and many remain in fragments. This has changed disturbance regimes in prairie ecosystems, often removing disturbance events required to maintain diverse prairies. Removal of disturbance and the changing land use around prairies can leave them vulnerable to invasive species establishment. Can a balance be found between maintaining prairie biodiversity and controlling invasive species in a changing landscape and climate?

 

Dr. Carly Aulicky is the North Texas Director of Outreach and Stewardship for the Native Prairies Association of Texas (NPAT). In her position, Carly acts as a resource and spokesperson for management and conservation of native prairies. Carly monitors NPAT properties, works with landowners on conservation easements, holds educational workshops and talks, and coordinates volunteer efforts in programs and projects. Dr. Aulicky completed her doctorates at the USGS Kansas Cooperative Fish and Wildlife Research Unit at Kansas State University in 2020.

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About the Region

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This low-elevations region of Texas extends inland from the barrier islands, about 60 or so miles, and stretches from Brownsville to Louisiana. In total, it covers about 9.5 million acres, with a high point of 150 feet in elevation. More than 1000 species of plants can be found in this region. On the southern end, species more common in Mexico (such as Sabal mexicana) and Central America occur.

The barrier islands provide us with dune systems, and clay flats to the inland side, which have species found in these areas alone. Many plants here, such as Ipomoea pes-caprae (beach morning glory), can be found throughout tropical regions of the globe. I’ve encountered the same species on the beaches of Guam.

Once inland, vast marshes and wet prairies occur. Occasionally, oak (Quercus fusiformis) groves can be found. Common grasses include species of Bothriochloa, Paspalum, and Sporobolus; eastern gamagrass (Tripsacum dactyloides); and switchgrass (Panicum species). Many rivers and creeks cut through the Gulf Prairies, and along these riparian areas various species of trees, Sabal minor, and other plants adapted to clay soils can be found. Due to overgrazing, farming, and fire suppression, woody species such as mesquite (Prosopis glandulosa) and huisache (Acacia farnesiana), and invasive species such as chinaberry (Melia azedarach), Brazilian pepper (Schinus terebinthifolius), and Chinese tallow (Sapium sebiferum) have increased and displaced our native flora.

Source: Wildflowers of Texas by Michael Eason