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A simulation model of production, seasonal changes in biomass and distribution of eelgrass (Zostera marina) in Lake Grevelingen
Verhagen, J.H.G.; Nienhuis, P.H. (1983). A simulation model of production, seasonal changes in biomass and distribution of eelgrass (Zostera marina) in Lake Grevelingen. Mar. Ecol. Prog. Ser. 10: 187-195
In: Marine Ecology Progress Series. Inter-Research: Oldendorf/Luhe. ISSN 0171-8630, more
Peer reviewed article  

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Keywords
    Abiotic factors; Biomass; Horizontal distribution; Seasonality; Simulation; Vertical distribution; Zostera (Zostera) marina Linnaeus, 1753 [WoRMS]; Marine

Authors  Top 
  • Verhagen, J.H.G.
  • Nienhuis, P.H., more

Abstract
    Based on data from Lake Grevelingen, The Netherlands, a simulation model has been described which refers to growth rates per unit eelgrass (Z. marina ) biomass, obtained with the leaf-marking technique, and to above-ground biomass and shoot-density changes per unit area. Space limitation depending on density of the above-ground biomass and growth limitation due to shortage in below-ground biomass have been introduced. Seasonal changes in eelgrass production, both above and below ground, have been simulated as functions of the external forcing variables light, water temperature, wind-generated water movements and internal control variables due to ageing of the plant material. The vertical distribution of eelgrass can be partly explained from modelling results on space, light and below-ground biomass limitations. Together with additional data-not used in the model - on seed production and growth of eelgrass shoots from seeds, vertical and horizontal distributions can be explained satisfactorily.

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