Acting Locally Part 1 Bio 280 Essay

Words: 906
Pages: 4

The Chihuahuan desert is large area of the northern Mexico and runs into the southern part of the United Stated which include west Texas. The region of the desert has a high altitude of 1000 to 1500 meters which fall to about 350 meters along the Rio Grande River. Summers are very hot and the winter are somewhat cool, which some night frosts. Rainfall in this area is about 20-30 cm which mostly happens during the summer time. In most of the Chihuahuan Desert most of it has calcareous soil that are derived from the limestone beds. The Chihuahuan Desert has many types of vegetation such as Yucca, such as Torrey yucca or the banana yucca, they are very difficult in telling them apart because of hybridization, because they are …show more content…
The red shiner grow 3 inches and has an olive back with shiny side in and a white belly, they fertilize eggs in the spring and the summer, the males are the species that defend the eggs where they have been laid. The Rio Grande silvery minnow is a small silvery animals that get as longs as 3.5 inches, they eat algae and tiny plants pieces that are floating throughout the water and what is in the bottom of the river. They travel in large groups, where the river flows slowly. This fish species is historically occupied in the Rio Grande River from New Mexico to Texas which is about 2400 river miles. “In 1994, the silvery minnow were classified as endangered in the U.S. by the standards set forth in the Endangered Species Act of 1973” (Green, 2013). These two types of ecosystem need each other for survival because many types of species are able to get there water resource from the river such as plants and animals. This rivers is the life of the desert and helps in maintain the ecological and biological processes by providing life in both the United States and in Mexico.

Arkive, W. (2015). Widescreen Arkive. Retrieved from Western Diamond-Back Rattlesnake:
Green, N. (2013, March 21). The Encylopedia of Earth. Retrieved from Rio Grande River:
Jr, R. H. (2014, April