The Tundra

The Tundra
About a fifth of the land surface of the demesne is tundra. The tundra is found next to the icy zones in the arctic. The temperatures on the tundra ar be woeful halt and can drop to as low as -70 degrees F. There are winds that can blow up to 100 miles an hour. Temperatures are so cold, the water in the underseal freezes, up to a depth of 2000 feet or more. It can defecate temperatures of up to 50 degrees F on a solid summer day. There are a few places where entirely a few inches on the top layer of argument will thaw. This part of the thawed ground is called the ener kick the bucketic layer. This active layer is always wet because the water from the melted sparkler cannot drain. The frozen ground that never thaws is called the permafrost layer. The tundra may get slight than five inches of precipitation a year, but it is still precise wet in the summer. The water that comes from the melting ice has nowhere to go. During the summer, the tundra is one big open, rolling area of ground, covered with some small lakes and ponds. During the summer, days are close to 24 hours long. This is when thither is light for the little bes that grow. The plants in the tundra are only some four inches high, many being perennials. The plants consist of grasses, sedges, mosses, little prime plants, and tiny dwarf willow bushes.



They grow in black round cushions or mats that hug the ground. Hugging the ground helps cheer them from the cold and drying winds. In the rocky area, lichens grow on the rocks. Lichens are early land plants and are between an alga and a fungus. They have no roots. Tundra plants grow rapidly because the growing appease is only six to ten weeks long. Many reproduce by growing new roots and shoots, rather than by do seeds. The earth in the tundra is not really soil. Dead plant material slowly decomposes because it is so cold. The constant melting and freezing of the top layer of the ground, causes it to shift. The result of this shifting causes the...If you want to get a full essay, order it on our website: Orderessay



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