The phrase "fish populations" refers to the number of fish in a specific area, like a lake, river, or ocean. It tells us how many fish there are and helps scientists understand if fish numbers are increasing or decreasing over time. Full definition
New research shows that fishing is having a significant impact on the make - up of fish populations of the Great Barrier Reef. (sciencedaily.com)
It has also commissioned studies to determine what effect wind farm construction and electromagnetic fields in the vicinity of the turbines may have on fish populations. (cleantechnica.com)
The action will also provide benefits for native fish populations. (environment.gov.au)