A Slow aerial descent to the high desert grasslands of Northern Arizona

slow descent aerial drone high desert dry lands greassland northern arizona distant mountains sedona hills arroyo dry wash crevices fissure juniper grasslands braided trails dry watershed ecology environment perennial grass low shrub cover biotic communities alpine tundra verde valley dirt rock one seed junipers short trees plant communities blue grama tobosa black grama hairy grama riparian sagebrush endangered ecosystem