Lacustrine systems include all wetland and deepwater habitats associated with depressions or damned channels greater than 8 ha in area, and which have less than 30% of their area dominated by trees, shrubs, or emergent vegetation.
There are a wide variety of conditions that can cause thigh pain. For example, thigh pain can be caused by physical activity, injury, or age-related wear and tear on the hips and knees, which may cause pain or discomfort in the thigh area near the joint.
Some causes of upper thigh pain include: People who exercise every day may damage the muscles through overuse. Such pain may come with swelling and cramps. Individuals suffering with peripheral arterial disease can experience pain as a result of hardened veins or blood clots. Deep vein thrombosis is a rare, but serious, cause of upper thigh pain. It often arises following a period of sitting or lying down for a long time. In some cases, autoimmune diseases like rheumatoid arthritis and lupus cause thigh pain.