Alternate Title

Effects of 1973 Floodwaters on Plankton Populations in Louisiana and Mississippi

Document Type



Studies to assess the impact of floodwater diversion on plankton populations in coastal waters of Mississippi and Louisiana were conducted from 23 April 1973 through 13 July 1973. Fixed stations in Lake Pontchartrain, Lake Borgne and western Mississippi Sound were sampled once in April, twice in May and June, and once in July. Stations in Terrebonne Parish, Louisiana were visited once in May, June and July.

Data are presented on changes in the species composition of zooplankton subsequent to the opening of the Bonnet Card and Morganza floodways. The hydrographic conditions at the time of sampling are discussed.

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