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  1. No Access

    Article

    Some suggestions for future cladoceran research

    The topics dealt with at the Cladoceran Symposium showed a largediversity. A high diversity is what characterises the world westudy, consisting of many different habitats and a rich speciesset. This easily lea...

    Joop Ringelberg in Hydrobiologia (1997)

  2. No Access

    Article

    Differential behaviour and shifts in genotype composition during the beginning of a seasonal period of diel vertical migration

    During the first few weeks of a recurring seasonalperiod of diel vertical migration in Lake Maarsseveen(The Netherlands), part of the hybrid Daphniagaleata × hyalina population migrated, whileanother part rema...

    Piet Spaak, Joop Ringelberg in Hydrobiologia (1997)

  3. No Access

    Chapter and Conference Paper

    Differential behaviour and shifts in genotype composition during the beginning of a seasonal period of diel vertical migration

    During the first few weeks of a recurring seasonal period of diel vertical migration in Lake Maarsseveen (The Netherlands), part of the hybrid Daphnia galeata × hyalina population migrated, while another part rem...

    Piet Spaak, Joop Ringelberg in Cladocera: the Biology of Model Organisms (1997)

  4. No Access

    Chapter and Conference Paper

    Some suggestions for future cladoceran research

    The topics dealt with at the Cladoceran Symposium showed a large diversity. A high diversity is what characterises the world we study, consisting of many different habitats and a rich species set. This easily ...

    Joop Ringelberg in Cladocera: the Biology of Model Organisms (1997)

  5. No Access

    Article

    The influence of a fish exudate on two clones of the hybrid Daphnia galeata × hyalina

    Two Daphnia clones were isolated from different day depths during the period of diel vertical migration and were tested for their life-history responses to a fish exudate released by juvenile perch. Animals were ...

    Tineke Reede, Joop Ringelberg in Hydrobiologia (1995)

  6. No Access

    Chapter and Conference Paper

    The influence of a fish exudate on two clones of the hybrid Daphnia galeata × hyalina

    Two Daphnia clones were isolated from different day depths during the period of diel vertical migration and were tested for their life-history responses to a fish exudate released by juvenile perch. Animals were ...

    Tineke Reede, Joop Ringelberg in Cladocera as Model Organisms in Biology (1995)

  7. No Access

    Article

    Sikko Parma: limnologist, environmentalist and scientific manager

    Louis Van Liere, Ramesh D. Gulati, Bert Z. Salomé, Joop Ringelberg in Hydrobiologia (1992)

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