Big Bend Chapter

Big Bend Climate Change Seminar Scheduled – January 18, 2020

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[from Dallas Baxter]

Climate Change: What’s Ahead for West Texas?

Climate change and its effects upon the Big Bend will be the subject of scientific presentations January 18, 3 to 6 pm, at Sul Ross State University’s Espino Conference Center. Sponsored by the Big Bend Chapter of the Native Plant Society, Big Bend Conservation Alliance, the Big Bend Chapter of the Sierra Club and the Presidio County Underground Water Conservation District, the speakers will discuss expected climate-change effects on temperature and water cycles, vegetation communities and wildland fire and strategies to influence, manage and adapt to those changes.

“This is a great opportunity to examine expected climate change impacts on Big Bend forests, grasslands, and desert,” said Dallas Baxter, president of the Big Bend Chapter of the Native Plant Society. “These topics are important to area parks, ranches, farms, water planners, fire managers, conservationists, and natural resource professionals as well as state, county and city governments. No challenge in the coming years is more dire than climate change.”

Dr. John Nielson-Gammon, Texas State Climatologist and Professor of Atmospheric Science at Texas A&M University, will present the latest climate models and their complications, with emphasis on Trans-Pecos water cycles.

Dr. Nick Smith, Assistant Professor of Biological Sciences at Texas Tech University, will discuss response to climate change by Trans-Pecos plant communities and how land management decisions influence resilience to climate effects.

Dr. Dylan Schwilk, Professor of Biological Sciences at Texas Tech, will provide results of studies on how plant traits influence fire behavior, and effects of drought and fire on trees in Trans-Pecos mountain ranges.

The seminar will be in Room A, Espino Conference Center in the Morgan University Center at Sul Ross State University. Attendance is free; however, registration is requested. To register, e-mail fondag@sbcglobal.net.

For more information, see flyer, “Climate Change: What’s Ahead for West Texas?“.

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**ARCHIVED POST AUTHOR: billarmstrong

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