Blowing in the wind: Anemochory in blackbrush habitat of South Texas
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Abstract
Wind dispersal has the potential to carry seeds long-distances and could inform the management and restoration of natural vegetation along the U.S.-Mexico Border. Plant species with the potential to disperse seeds in arid landscapes fragmented by border barrier infrastructure include foundational native, invasive, and federally endangered plant species. Wind dispersal traps constructed of cloth were set facing into the prevailing wind direction (SE) to characterize the role of wind in transporting soil particles, pebbles, plant debris, and seeds in blackbrush habitat during maximum events of wind speed (km per hour), and precipitation (cm). Shrubs, native grasses, the invasive Pennisetum ciliare (buffelgrass), soil particles, and pebbles dispersed in the wind, especially during maximum wind and/or precipitation events. Natural blackbrush areas supported the wind dispersal of twelve native species including grasses and woody shrubs. Sites disturbed by border infrastructure (barrier, roads, waterways) had higher seed numbers of invasive species such as P. ciliare captured in the wind traps. While modifications in passages through waterways and other structures have been proposed to improve the movement of organisms influenced by the barrier, the restoration of native plant species in damaged areas might further aid in the maintenance of blackbrush ecosystems by reducing invasive plant species dispersal into natural habitats.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Blowing in the wind: Anemochory in blackbrush habitat of South Texas |
| Series title | Plant Ecology |
| DOI | 10.1007/s11258-025-01527-9 |
| Volume | 226 |
| Publication Date | July 22, 2025 |
| Year Published | 2025 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | Wetland and Aquatic Research Center |
| Description | 8 p. |
| First page | 1057 |
| Last page | 1064 |
| Country | United States |
| State | Texas |
| Other Geospatial | Arroyo Morteros, Arroyo Ramirez, Cuellar tract, Lower Rio Grande Valley National Wildlife Refuge |