| "Evolution, population thinking, and essentialism" | Proceedings of the Royal Society B |
|---|---|
| " By "ecology" we understand the comprehensive science of the relationships of the organism to its surrounding environment, where we can include, in the broader sense, all "conditions of existence" | A statement attributed to British biologist J |
| "Ecosystems, Systems Ecology, and Systems Ecologists" | Berlin, Germany : Georg Reimer |
|---|---|
| "Origins and Development of Ecology" | "Energy flow in ecosystems: A historical review" |