Limnology global inland waters as part of the Earth System created a sub-discipline called global limnology. This approach considers the role of inland aquatic ecosystems in carbon cycling. Limnology is closely related to aquatic ecology and hydrobiology, which study aquatic organisms and their interactions with the abiotic (non-living) environment. While limnology has substantial overlap with freshwater-focused disciplines (e.g., freshwater biology), it also includes the study of inland salt lakes. The term limnology was coined by François-Alphonse Forel (1841–1912) who established the field with his studies of Lake Geneva. Interest in the discipline rapidly expanded, and in 1922 August Thienemann (a German
What Work Is of a superior, and the hellish nature of the task that the narrator is performing and its effect upon him. Much of the collection contains a series of grim and brooding passages. Paul Gray, a contributor of "Time" called Levine's narrators “guerrillas, trapped in an endless battle long after the war is lost.” This may refer to instances where Levine recalls his childhood hometown of Detroit. Yet others, such as Marie Borroff, suggest that Levine's work is joyful despite its painful material. Initial reviews for "What Work Is" praised Levine for his working-class subject matter, which represented a marked change