Comparison of phytoplankton production between natural and altered areas in West Bay, Texas.
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Phytoplankton production was compared between an undredged marsh area, a bay area, and an adjacent marsh area altered by channelization, bulkheading, and filling. Average gross production (mg C/1/day) in the altered area (canals) was 8% higher than in the marsh and 48% higher than in the bay during June, July, and August 1969. Gross and net production were significantly higher in the canals and marsh than in the bay; differences between the canals and marsh were not significant.