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Modell species

BAMBI will target four ecologically important Baltic Sea species, Fucus vesiculosus, F. radicans, Idotea balthica, Gasterosteus aculeatus, that each contribute with different ecosystem functions (primary production, grazing, and predation), and together constitute a dominant part of a Baltic Sea ecosystem. These species also work as experimentally tractable models for evolutionary studies.

The seaweeds (Fucus vesiculosus and F. radicans) are grazed upon by the isopod (Idotea balthica), that is eaten by the fish (Gasterosteus aculeatus), and the fish use the seaweed to its nests. This model ecosystem constitutes a dominant part of coastal hard bottom ecosystems of the Baltic Sea.

With a successful compliance of BAMBI we expect to contribute with the following:

  • comprehensive descriptions of the genetic variation in four key species – necessary for identification of relevant units of management
  • mapping of adaptive parts of the genetic variation – needed to understand potentials for increase in tolerance ranges of species
  • experimental estimates of demography and inheritance of extreme tolerances – - used to model effects of selection from a changing environment
  • suggestions of new policies and governance principles developed together with end-users – needed to mitigate losses of marine components of the Baltic Sea ecosystems
  • a framework for modelling distribution and dispersal of species under scenarios of climate change – providing opportunities to model effects on species of various management measures


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