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.
How Your Spine Can Cause Knee Pain. The nerves that transmit the sensation of pain to the legs and feet are located in the lower back region. Occasionally with age or injury, the discs between the vertebrae can bulge out and press on these nerves. When this occurs the nerve becomes irritated and sends out pain signals.