Complex sentence: Response times for an aquifer is long (Young & Bredehoeft 1972), however, a total ban on ground water usage during water recessions would allow surface water to better retain levels required for sustainable aquatic life.
Split into simpler sentences: Response times for an aquifer are long (Young & Bredehoeft 1972). However, a total ban on ground water usage during water recessions would allow surface water to better retain levels required for sustainable aquatic life.