Climate. Temperate grasslands have hot summers and cold winters. Summer temperatures can be well over 100 degrees Fahrenheit, while winter temperatures can be as low as -40 degrees Fahrenheit. They typically have between 10 and 35 inches of precipitation a year, much of it occurring in the late spring and early summer.limate. Temperate grasslands have hot summers and cold winters. Summer temperatures can be well over 100 degrees Fahrenheit, while winter temperatures can be as low as -40 degrees Fahrenheit. They typically have between 10 and 35 inches of precipitation a year, much of it occurring in the late spring and early summer.
Leg swelling related to fluid buildup. Leg swelling caused by the retention of fluid in leg tissues is known as peripheral edema. It can be caused by a problem with the circulatory system, the lymphatic system or the kidneys. You may also experience swelling due to fluid buildup after sitting or standing for a long time.
But there are cases when swollen legs, ankles and feet need attention from a doctor. Here are common causes of swelling and what you can do to treat it. Causes of and Treatment for Swollen Legs Cause: Venous Insufficiency. When all is well with a personâs veins, the blood is able to pump upwards to the heart. In some cases, swollen ankles, legs and feet can be a sign that the blood is not able to fully pump back up the veins. Known as venous insufficiency, the condition occurs when the valves in the veins are damaged and canât keep blood from leaking back down.