San Antonio Chapter

iNaturalist -Citizen Science program /TWPD Nature Tracker and preparation for the City Nature Challenge

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March 24, 2020 Chapter Meeting

Discover nature and become a contributor to citizen science program with iNaturalist applications. Craig Hensley, Texas Park & Wildlife Nature Tracker Biologist will teach us about the amazing iNaturalist tool and how to use it to identify and document plants, butterflies, birds and more with your smart device, still camera or sound recording. Craig will also touch base on TPWD – Texas Nature Tracker and 2020 City Nature Challenge (CNC). The City Nature Challenge is an international effort for people to find and document plants and wildlife in cities across the globe. It’s a BioBlitz-style competition where cities are in a contest against each other to see who can make the most observations of nature, who can find the most species, and who can engage the most people. Discover nature and become a contributor to citizen science program with iNaturalist applications. Craig Hensley, Texas Park & Wildlife Nature Tracker Biologist will teach us about the amazing iNaturalist tool and how to use it to identify and document plants, butterflies, birds and more with your smart device, still camera or sound recording. Craig will also touch base on TPWD – Texas Nature Tracker and 2020 City Nature Challenge (CNC). The City Nature Challenge is an international effort for people to find and document plants and wildlife in cities across the globe. It’s a BioBlitz-style competition where cities are in a contest against each other to see who can make the most observations of nature, who can find the most species, and who can engage the most people.

Special Note: There will be a follow up hands-on iNaturalist Field Trip March 28th with Craig Hensley at Crownridge Canyon Park at 9am. See event calendar for details.

If first time user to iNaturalist, for a more engaging presentation/ field trip please create iNaturalist profile via iNaturalist. Org. If you have a smart device download iNaturalist application prior to the events from your Application Store. Any questions about the event – email npsot.sanantonio@gmail.com

Meeting Time and Location

6:30 pm – Native plant/seed exchange & Social time
7:00 pm – Meeting and program
Lions Field Adult Center
2809 Broadway (corner of Mulberry & Broadway by Brackenridge Park)
Map to Lions Field Adult Center

Please note that overflow parking is available at the Doseum parking lot, directly across Broadway from Lion’s Field.

Chapter meetings are held every 4th Tuesday of the month except August, November, and December. They are free and open to the public. So come join us!

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About the Region

Fall Symposium 2025 Logo - Teach for the Future

Salado, the location of our Fall 2025 Symposium, lies at the intersection of two ecoregions: the Edwards Plateau (Limestone Cut Plain) and Blackland Prairie (Northern Blackland Prairie).

The Edwards Plateau area is also called the Hill Country; however, this general term covers a much larger area extending farther north. Spring-fed creeks are found throughout the region; deep limestone canyons, rivers, and lakes (reservoirs) are common. Ashe juniper is perhaps the most common woody species found throughout the region. Additional woody species include various species of oak, with live oak (Quercus fusiformis) being the most common. Sycamores (Platanus occidentalis) and bald cypress (Taxodium distichum) border waterways. This area is well known for its spring wildflower displays, though they may be viewed in spring, late summer, and fall, as well. According to Texas Parks and Wildlife, average annual rainfall in the Edwards Plateau ranges from 15 to 34 inches.

The Blackland Prairie extends from the Red River south to San Antonio, bordered on the west by the Edwards Plateau and the Cross Timbers, and on the east by the Post Oak Savannah. Annual rainfall averages 30 to 40 inches, with higher averages to the east. This region is dominated by prairie species. The most common grass species include little bluestem (Schizachyrium scoparium) and Indian grass (Sorghastrum nutans) in the uplands and switchgrass (Panicum virgatum) in the riparian areas and drainages. Common herbaceous flowering plants include salvias, penstemons, and silphiums. This area has suffered greatly from overgrazing and agricultural use. Few intact areas remain, though many of the plants can be found along county roadsides throughout the region.

Our fall Symposium host chapter, the Tonkawa Chapter, includes both of these ecoregions.

Source: Wildflowers of Texas by Michael Eason