Monday, September 17, 2018

Water in the Arboretum

Although it's not always flowing, the arboretum has a well-defined stream. After a substantial rainshower, you can appreciate some beautiful spots. Join us as we preserve the scenic character of the arboretum's ephemeral water features.
 

A main source for water in the arboretum is drainage. Here we see a culvert (near the SUB) that marks the beginning of the main artery of the arboretum's stream.
Water under the bridge: the roots belong to the Pumpkin Ash (Fraxinus profunda).
The stream crosses under several bridges, of which this is only the first.
In the upper pond, water accumulates to nourish a variety of species including palmettos.
And especially the Louisiana iris.
Trees happily throw roots into the eroded path of the stream, insuring access to water during rainstorms.
It doesn't take much rainfall to fill up these little pools. Over the next few days, evaporation and infiltration do their work.
These large pieces of concrete (remnants of construction around the Fitness Center) provide varied habitat for small snakes, amphibians, various creepies and crawlies.
What can you see in the reflecting pools?
This is the final stretch of the stream's main artery before it empties out into the concrete spillway near the Fitness Center.
From this point, excess water enters the storm sewers of the City of Shreveport. Au revoir, les eaux de la vie.