How Many Fish Are Born Each Year
Science Featured
Understanding how many fish are born in a given year—a measure known as year-class strength, meaning the number of fish that survive from a specific spawning year—is essential for making smart decisions about managing fish populations. But figuring this out can be tricky due to natural ups and downs in reproduction, changing death rates, and varying levels of fishing. A new study by Dr. Ji He from the Michigan Department of Natural Resources and Dr. Charles Madenjian from the United States...