1 “...Migrations and population dynamics are considered very problematic topics in the fields of ancient...”

2 Subjects: “...population dynamics...”

3 Subjects: “...population dynamics...”

4 “... to adults, predator-prey interaction, coral-crab symbiosis, Sargassum-shrimp symbiosis, population dynamics...”

5 “... on population dynamics - foreshadowing a later interest in the history of Darwinism) in 1942. By this time he...”