Why are the evergreen forests green throughout the year?

Why are the evergreen forests green throughout the year?

These forests are found in the areas receiving heavy rainfall (more than 200 cm annual rainfall). They are very dense. Even the sunlight does not reach the ground. Therefore, these forests always appear green and are known as evergreen forests.

How does the equator contribute to the climatic conditions of the evergreen forests?

Tropical Evergreen Forests These thick forests occur in the regions near the equator and close to the tropics. These regions are hot and receive heavy rainfall throughout the year. As there is no particular dry season, the trees do not shed their leaves altogether. This is the reason they are called evergreen.

Where are temperate evergreen forests found?

Temperate evergreen forests are found in the United States, Canada, Europe, and Asia, in areas that generally receive between 300 and 900 mm of rain per year and with seasonal temperature extremes ranging from -40 to 20 °C.

What part of Montana has trees?

Forest covers nearly one-fourth of Montana–about 23 million acres according to Green and Setzer (1974)–and substantial amounts of forest are found in all but the northeastern portions of the State (fig. 1). t o open Pinus ponderosa woodlands on the Great Plains of southeastern Montana.

Why do evergreen forests grow in the equatorial region?

So, there is convectional rainfall in afternoons. Even climate is very hot and humid which is ideal for forest’s growth. So, evergreen trees that can withstand high rainfall are found here.

Why do we need evergreen forests?

The evergreen forests are essential in not only promoting greenery on the planet, but they are also useful in the continual survival of animals and plants in the forest ecosystem. The trees are evergreen as there is no period of drought. They are mostly tall and hardwood.

Why are evergreen forests called so?

These regions are hot and receive heavy rainfall throughout the year. As there is no particular dry season, the trees do not shed their leaves at the same time. Thus, the forests always appear green. This is the reason they are called evergreen forests.

What type of forest is Montana?

Approximately 10,516 square kilometers are classified as Rocky Mountain Dry-Mesic Montane Mixed Conifer Forest in the 2017 Montana Land Cover layers.

Where do evergreen forests grow?

These forests grow in regions where year-round rainfall is high and steady and frost is rare. The main areas of its occurrence are in South America; eastern Australia; southern China, Korea, and Japan; small areas of southeastern North America and southern Africa; and all of New Zealand.

Why tropical evergreen trees grow in North East India?

High temperatures, combined with heavy to very heavy rains, have stimulated the growth of forests at lower levels. Dipterocarpus macrocarpus (Hollong in Assamese) and Mesua ferrea (Nahar in Assamese) are the principal type trees of Assam valley tropical evergreen forests.

Why do evergreen forests always appear green Class 8?

Answer: The trees in the tropical evergreen forests do not shed their leaves at the same time and hence the tropical evergreen forests always appear green. Trees of the tropical deciduous forests shed their leaves for about six to eight weeks in order to save water.

How does the Continental Divide affect Montana’s climate?

Until they reach this crown of the continent, wet Pacific air masses heading to Montana are continually moving upward. The Divide causes them to drop a great deal of their moisture on the west side allowing the now much-drier air to descend the east slopes, resulting in an arid landscape.

How much snow fell in the Continental Divide?

During the time period of the 17th to the 22nd, the same storm dropped a total of 77.5 inches of snow. Just north of the pass, more than 1,000 inches of snowfall keeps Glacier National Park’s many glaciers alive. In the upper reaches of the Divide, country summer is fleeting, and autumn arrives early.

Who was the first person to cross the Continental Divide?

When he walked through today’s Lemhi Pass, Lewis became the first known white man to cross the Continental Divide. He was however, mistaken about reaching the most distant waters of the Missouri. That distinction belongs to the earliest trickles of Hellroaring Creek flowing out of the Centennial Mountains and the Divide into the Red Rock River.

Where does the water from the Continental Divide go?

It’s interesting to note in southern Glacier National Park, from the apex of 8,000-foot Triple Divide Peak, water descends to the Pacific Ocean, the Gulf of Mexico and to Canada’s Hudson Bay. This is the only summit in the United States that sends its moisture to three seas.