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Billy Joe Fudge: Streams are living, breathing ecosystems

Response to Comments re article 74571 Trash in creek timber debris biggest problem on 14 Apr 2015

By Billy Joe Fudge, Retired District Forester
Kentucky Division of Forestry

Streams are not canals with well defined channels that are engineered to remain stable for centuries which are created to carry water with little resistance to far away places. Canals are for the most part barren by nature in that they cannot survive on their own, reproduce themselves or support life.



Streams are living breathing ecosystems, dynamic by nature. Trees live and hold stream banks, then die and create sores which can suffer erosion, change the angle of flow and create eddies that can, rain by rain and freezing and thawing, impact the integrity of the stream channel to the point that, even a new streambed can be formed over time.

One of the first things we learned in school was that "things are not created or destroyed, they only change form." That scientific fact is applicable to streams. We cannot expect to build concrete bridges over streams and expect them to be maintenance free as they would be if they were built over a canal where the water flow is controlled.

Sandbars are one of nature's water filters which grab and hold impurities that can be found in the water. Large flat wetlands filter and purify water as it perks down through the soil and slowly moves between plants and is acted upon by biological, zoological and chemical forces to remove and render harmless those organisms that are harmful to animal life which is dependent upon clean, unpolluted water to sustain itself.

Then, nature with a sudden flush of water (a flood) will flush the system by quickly and violently tearing those pollutants from the respective filtering systems and carry them downstream and ultimately out to sea where they no longer pose a threat to animals (mankind), etc.

So then, we get all in a twit and start wanting to place blame upon our neighbors, or institutions or corporations or governments, or loggers, or farmers or our forefathers and so on for inconveniences suffered in our lives. We perceive as a negative in our lives and to our small interest in nature what is one of the most positive "changes" in nature, a flood. It neither creates or destroys but changes things. This is good in much the same way that flushing the commode changes things inside our homes and the sewage treatment plant back flushes and purges it's systems periodically.

Can man have negative impacts upon nature? Yes, of course, but the picture is not nearly as clearly defined as many would have us believe.



This story was posted on 2015-04-15 09:07:26
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