NYS Department of Environmental Conservation
Benthic Barriers-Yaphank Lakes
•Impact on
Target Plant Species- significant
•Impact on
Native Plant Species- significant
under barrier
•Impact on
Native Animal Species- some
loss under barrier
•Post-Treatment
Plant Coverage
–treatment
zone- none
–outside
treatment zone- all
plants
•Water quality
changes temporary
turbidity
•Water quality
changes sediment anoxia if
barriers retained
•Ecological
impacts loss of habitat
under barriers
•Downstream
impacts minimal to none
•Potential for
regrowth
–within
treatment zone- low to
moderate
–from outside
treatment zone- high
•Recreational
Impacts During Treatment
–within
treatment zone- significant
–outside
treatment zone- none
•Likelihood of
Suboptimal Results low to
moderate