It is the number that passed. Once the level of the river came down to a point where natural fish passage could occur, you saw a very significant increase very quickly in the numbers of fish that could pass.
Regional Director, Fisheries Management, Department of Fisheries and Oceans
It is the number that passed. Once the level of the river came down to a point where natural fish passage could occur, you saw a very significant increase very quickly in the numbers of fish that could pass.
See context to find out what was said next.