Biology 338: Lecture 11Spring 1997

Communication III

  1. Natural history

  2. Dance language
    1. Munich, 1919-1921
      1. Observations
        1. 2 types of forager dances
        2. Flower experiment
      2. Conclusions
    2. Austria, 1944-45
      1. Observations
        1. Distance experiments
        2. Direction experiment
      2. Conclusions
    3. Germany/US, 1946-present
      1. Observations
        1. Precision of recruitment experiment
        2. Index of distance experiment
        3. Measurement of distance experiments
        4. Vertical component experiement
      2. Conclusions

  3. Colony organization
    1. What happens when collection rate < processing capacity?
      1. "Bonanza" experiment
      2. Conclusions
    2. How do bees assess the collection rate and processing capacity?
      1. Nectar influx experiments
      2. Conclusion: search time
      3. Alternative hypotheses
        1. Level of traffic
        2. Level of nectar odor
      4. Removal of food-storer bees experiment
    3. What happens when collection rate > processing capacity?
      1. Options
      2. Solution