That new approach could include strategies such as removing or setting back levees in some locations to
promote seasonal flooding, strengthening regulations to reduce the discharge of contaminants into waterways, reworking the operations of some dams to facilitate fish passage, and changing federal and state laws to move conservation efforts to a broad, ecosystem - based approach.
«Amazon floodplains and river channels — maintained by
seasonal floods —
promote nutrient cycling and high biological production, and support diverse biological communities as well as human populations with one of the highest per capita rates of fish consumption,» said Castello.