Search results
Results from the WOW.Com Content Network
The Piney Woods is a temperate coniferous forest terrestrial ecoregion in the Southern United States covering 54,400 square miles (141,000 km 2) of East Texas, southern Arkansas, western Louisiana, and southeastern Oklahoma.
Human disturbance poses the number one concern to this fragile ecosystem. The Sonoran desert contains the two large cities of Tucson and Phoenix, Arizona, which contain over 3 million people. [ 15 ] These dense human populations deplete the water table of the entire desert and are sending the desert towards desertification.
The Southeastern conifer forests are a temperate coniferous forest ecoregion of the southeastern United States. It is the largest conifer forest ecoregion east of the Mississippi River . [ 2 ] It is also the southernmost instance of temperate coniferous forest within the Nearctic realm .
A new classification and linear sequence based on molecular data can be found in an article by Christenhusz et al. [6] The conifers are an ancient group, with a fossil record extending back about 300 million years to the Paleozoic in the late Carboniferous period; even many of the modern genera are recognizable from fossils 60–120 million ...
The longleaf pine ecosystem is a temperate coniferous forest ecosystem found within the Southern United States. Spanning pine savannas , sandhills and montane forests , it includes many rare plant and animal species, and is one of the most biodiverse in North America . [ 1 ]
The Madrean pine–oak woodlands are subtropical woodlands found in the mountains of Mexico and the southwestern United States. They are a biogeographic region of the tropical and subtropical coniferous forests and temperate broadleaf and mixed forests biomes , located in North America .
Gould's Ecoregions of Texas (1960). [1] These regions approximately correspond to the EPA's level 3 ecoregions. [2] The following is a list of widely known trees and shrubs found in Texas. [3] [4] [5] Taxonomic families for the following trees and shrubs are listed in alphabetical order by family. [6]
Topographic map of Texas. This is a list of mammals of Texas. Mammals native to or immediately off the coast of the U.S. state of Texas are listed first. Introduced mammals, whether intentional or unintentional, are listed separately. The varying geography of Texas, the second largest state, provides a large variety of habitats for mammals.