Texas Republican Gov. Greg Abbott ordered more floating barriers on the Rio Grande near Eagle Pass after President Donald Trump’s inauguration. A federal appeals court ruled that Texas could continue deploying the barriers despite a lawsuit from the Biden administration.

Dr. Adriana Martinez expressed concerns that the buoys adversely affect the river without impacting immigration.

The buoys are part of a state program aimed at preventing illegal crossings into Texas. Abbott’s office pledged to double the number of buoys after a previous attempt was halted due to construction issues.