Gorham, E.Sanger, J.E.2011-04-252011-04-251972Gorham E, Sanger JE. Fossil pigments in the surface sediments of a meromictic lake. Limnology and Oceanography 1972;17(4):618-22.1541-5856https://hdl.handle.net/11299/103084Pigment concentration and diversity were measured in surface sediments on a transect across a small, meromictic lake in northwest Wisconsin. Pigment concentrations increase several fold and diversity by a third from the shallowest to the deepest sediments. Monimolimnetic chlorophyll derivatives are about 3X and carotenoids nearly 2X the hypolimnetic maxima in holomictic, eutrophic Minnesota lakes. Lower pigment concentrations at the deepest point along the transect suggest slumping of littoral detritus.Fossil pigments in lake sediments as indicators of productivity, evolution, eutrophication and sources of organic matterArticle