Integrated Estuarine Management — Obtaining a Sustainable Yield of Bivalve Resources While Maintaining Environmental Quality

  • Norbert Dankers
Part of the Nato ASI Series book series (volume 33)


Coastal seas and estuaries have been used by mankind for many centuries and fulfilled many functions. In many parts of the world sustainable use of these areas is essential for survival of local people. Everywhere these areas are important for a number of reasons (Groot 1992). For example, they are important as nurseries for fish, function as shipping lanes, provide recreational facilities, feed many birds, act as a place to discharge sewage and provide for both commercial and recreational fishing. Over the last decades the commercial value of estuaries has shifted from fisheries production to a variety of interests among which recreation has increased significantly. The majority of estuarine functions are based on natural values; therefore it is essential to maintain these natural values. If one user is allowed to significantly alter the system, it may destroy the options for other or future users. In view of the changes in the past decades, one can conclude that it is difficult to predict what level of importance we will give to the different functions in twenty or more years from now. Therefore it is essential not to aim for a maximisation of one particular function but to aim for optimisation of a great number of functions. This places a burden on science to provide policy-makers with data that can be used to evaluate options.


Mussel Culture Mussel Biomass Eider Duck Seed Mussel Mussel Fishery 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • Norbert Dankers
    • 1
  1. 1.DLO Institute for Forestry and Nature ResearchDen Burg/TexelThe Netherlands

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