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In Memoriam: Jay Tiedeberg
Biological Impacts

Our groyne installations at Test Site I and II have undergone intense and thorough biological monitoring by the University of West Florida. This monitoring includes groyne checks every four hours during the winter, and constant groyne sweeps during the summer nighttime hours. Our monitoring has revealed absolutely no adverse environmental impacts. Read the summary of the first eight months of data...

NuShore Groynes - Summary by Dr. Wayne A. Bennett, professor of Biology at the University of West Florida:

“System has proven to cause shoreline advancement within the groyne field, as well as updrift and downdrift of the system.

System is easily installed, maintained, and removed with minimal beach disturbance.

System has no adverse environmental impacts.

System can be used in conjunction with other natural shore protection strategies such as dune re-vegetation and sand fencing.

System can be used to prolong the life of costly beach nourishment projects.

In summary, the porous groyne installation has had remarkably little impact on the animal fauna and community structure. Preliminary data have shown the design to be ecologically sound and “animal friendly”. Any alterations to the physical habitat caused by installation of porous groynes appear to be either temporary, or augmentations of natural beach building processes. From a strictly environmental standpoint, the porous groyne design shows less ecological impact than traditional beach re-nourishment strategies (e.g., seawalls, rip-wrap, permanent jetties/groynes/piers, and dredging), which have all been shown to be directly or indirectly destructive to biota and/or habitat.”



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