Estuaries

, Volume 4, Issue 2, pp 139–142

Primary production and seasonal aspects of emergent plants in a tidal freshwater marsh

  • Damon G. Doumlele
Short Papers and Notes
  • 45 Downloads

Abstract

Seasonal changes in aboveground plant biomass, cover, and frequency were monitored in Sweet Hall Marsh, a tidal freshwater marsh located on the Pamunkey River, Virginia, during the 1974 growing season.Peltandra virginica accumulated the most biomass, 423.40 g per m2, followed byLeersia oryzoides at 67.75 g per m2. Annual net community production was estimated to be 775.74 g per m2 by using a multiple-harvest technique. Comparisons with other studies revealed that production was somewhat low for tidal freshwater marshes but mostly higher than production in Virginia brackish and saline wetlands. Measurements revealed an annual succession of plant species from spring to fall. The pattern observed was early dominance byPeltandra followed by a rise in importance ofPolygonum spp.,Impatients capensis andLeersia.

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Copyright information

© Estuarine Research Federation 1981

Authors and Affiliations

  • Damon G. Doumlele
    • 1
  1. 1.General DeliveryBena

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