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.
There are several possible causes for thigh pain and numbness, among which is sciatica, according to Healthgrades. When the sciatic nerve that runs down the leg becomes pinched or pressured in the back, it causes numbness and pain.