You can use fall leaf color to help identify different tree species. Look for these leaf colors on the trees in your neighborhood: (click on the tree species to see the tree shape, bark, fruit, and leaf shape.). 1  Oaks: red, brown or russet. 2  Hickories: golden bronze. 3  Dogwood: purple-red. 4  Birch: bright yellow. 5  paper birch.
Wetlands and people Wetlands and society Wetlands typically offer a wide variety of benefits to society and they have played a central role in human development throughout history. Many great civilizations depended on them, including the Maya, Inca and Aztec in Latin America, the Khmer in Asia, the Marsh Arabs in Mesopotamia and those of the Nile
The primary factor that distinguishes wetlands from other land forms or water bodies is the characteristic vegetation of aquatic plants, adapted to the unique hydric soil. Wetlands play a number of roles in the environment, principally water purification, flood control, carbon sink and shoreline stability.he function of most natural wetland systems is not to manage to wastewater, however, their high potential for the filtering and the treatment of pollutants has been recognized by environmental engineers that specialize in the area of wastewater treatment.