Thus, most hydroelectric operators are required to release a minimum amount of
water at certain times of year.
This helps us better understand their movements, why they like certain
waters at certain times of years, and where they migrate to when they leave.
Not exact matches
This upward rush
of cold
water would have brought nutrients to the surface, allowing phytoplankton to bloom and whale prey such as krill to flourish in dense patches
at certain times of the
year.