Trespass_Livestock_Survey.pdf

The document is a Trespass Livestock Survey map produced by the National Park Service for Big Bend National Park, detailing a comprehensive livestock survey conducted on January 16-17, 2025. The map displays six distinct survey areas along the Rio Grande/Rio Bravo, with a total animal count of 815 livestock. The survey areas range from Area 1 (35 animals) to Area 3 (307 animals), covering regions including Canon de Santa Elena, Maderas del Carmen, and various locations like Boquillas del Carmen, San Vicente, and La Linda. The survey was completed in approximately 7 hours and 45 minutes, utilizing two flights to cover different areas of the park.

The map includes detailed geographic information, showing the boundaries of Big Bend National Park, Mexican Protected Areas, and the Trespass Livestock Monitoring Area. It was produced using sources from Big Bend National Park spanning 2012-2025 and created by Thomas Athens. The map provides a visual representation of livestock distribution across different sections of the park, with white dots indicating individual animal locations and red and blue lines demarcating monitoring and river boundaries. The survey data suggests significant livestock presence in multiple areas of the park, with Area 3 having the highest concentration of animals.