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
Predators are important not only because they create biodiversity, but also because they indicate biodiversity. 9 In addition to regulating natural systems as described above, predators (especially large predators) serve as a measure of the health of communities around them.he importance of this predator impact cannot be overstated, because the composition of plant species in any natural area is an important regulating factor of the ecosystemâs functioning. 3 These impacts are occurring around the clock in every terrestrial and marine ecosystem.