Late Glacial and Postglacial Productivity Changes in a New England Pond

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Science  24 Aug 1973:
Vol. 181, Issue 4101, pp. 744-747
DOI: 10.1126/science.181.4101.744


During the late glacial and postglacial the productivity of Berry Pond in Berkshire County, Massachusetts, underwent a number of significant oscillations. This is suggested by data on sedimentary chlorophyll degradation products, diatoms, and Cladocera. The productivity changes were. apparently controlled by changes in weathering, terrestrial vegetation in the watershed, litter production, and runoff. There are associated changes in cladoceran community structure.