Joshua Lockler

The forest's weather

Because of its location, air masses from both the cold polar region and the warm tropical region contribute to the changes of climate in this biome. Precipitation ranges from 30 to 60 inches and is evenly distributed throughout the year. The average annual temperature in a deciduous forest is 50° F. The average rainfall is 30 to 60 inches a year. The mid-latitude deciduous forest biome is located between the polar regions and the tropics.

The forest's life

Deciduous Forest: Animals

A wide variety of mammals, birds, insects, and reptiles can be found in a deciduous forest biome. Mammals that are commonly found in a deciduous forest include bears, raccoons, squirrels, skunks, wood mice, and, in the U.S., deer can be found in these forests. While bobcats, mountain lions, timberwolves, and coyotes are natural residents of these forests, they have nearly been eliminated by humans because of their threat to human life. Other animals that were native to this biome, such as elk and bison, have been hunted to near extinction. Trees of this biome include both broadleaf, deciduous trees, such as maple, oak, hickory, and beech, and evergreens, such as hemlock, spruce, and fir. A deciduous forest typically has three to four, and sometimes five, layers of plant growth.

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The forest's landforms and location

Most temperate, deciduous (leaf-shedding) forests are located in the eastern United States, Canada, Europe, China, Japan, and parts of Russia. Deciduous forests are broken up into five zones. The most landform in the deciduous forest is the mountains.

The forest impact

Temperate forests are very important to people as they provide enjoyment as well as many resources including food, timber, and oxygen for us to breathe. However, we are also the cause of some major threats to this biome, one of which is acid rain. Acid rain caused by industrial and vehicle emissions damages the leaves of trees, and causes them to produce smaller and fewer seeds. It also reduces the trees' resistance to disease, pests, and frost. Clear cutting of forests is also a threat to this biome. Trees are cut for timber and land cleared for agriculture. Another problem associated with deciduous forests is the introduction of non-native plant and animal species because it upsets the balance of the forest ecosystem. Non-natives may compete for food and habitat space, possibly threatening the native species.