Classification. Other classification systems exist however. Cowardin (1979) recognizes the following five major wetland classifications: marine, estuarine, lacustrine, riverine, and palustrine. Marine and estuarine wetlands are associated with the ocean and include coastal wetlands, such as tidal marshes. Lacustrine wetlands are associated with lakes, while riverine wetlands are found along rivers and streams. Palustrine wetlands may be isolated or connected wet areas and include marshes, swamps, and bogs.
Top 10 Doctor insights on: Spinal Stenosis Knee Pain. 1 Pain in front top portion of legs from knees up after walking relieved when sitting. Had surgery for spinal stenosis 15 months ago with relief. Muscle strain: Male just over one year post-surgery for spinal stenosis has bilateral pain in quads w. walking.
1 Central stenosis will cause more general symptoms and can cause damage to the spinal cord itself (myelopathy). 2  This is more significant than foraminal stenosis. 3  Foraminal stenosis is a narrowing of the canals where the nerve roots exit the spinal cord.pinal stenosis usually does not cause back or neck pain, although these symptoms may be associated with the condition, depending on the cause. Spinal stenosis usually does not have back pain as its main symptom. In addition, stenosis must be differentiated from degenerative disc disease.