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Title of Journal: J Comp Physiol A

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Abbravation: Journal of Comparative Physiology A

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Springer Berlin Heidelberg

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DOI

10.1007/bf03185564

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1432-1351

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Resources or landmarks which factors drive homing

Authors: Sara D Leonhardt Benjamin F Kaluza Helen Wallace Tim A Heard
Publish Date: 2016/06/16
Volume: 202, Issue: 9-10, Pages: 701-708
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Abstract

To date no study has investigated how landscape structural visual alterations affect navigation and thus homing success in stingless bees We addressed this question in the Australian stingless bee Tetragonula carbonaria by performing marking release and recapture experiments in landscapes differing in habitat homogeneity ie the proportion of elongated ground features typically considered prominent visual landmarks We investigated how landscape affected the proportion of bees and nectar foragers returning to their hives as well as the earliest time bees and foragers returned Undisturbed landscapes with few landmarks that are conspicuous to the human eye and large proportions of vegetation cover natural forests were classified visually/structurally homogeneous and disturbed landscapes with many landmarks and fragmented or no extensive vegetation cover gardens and plantations visually/structurally heterogeneous We found that proportions of successfully returning nectar foragers and earliest times first bees and foragers returned did not differ between landscapes However most bees returned in the visually/structurally most forest and least garden homogeneous landscape suggesting that they use other than elongated ground features for navigation and that return speed is primarily driven by resource availability in a landscapeThe authors thank Julia Nagler Manuel Pützstück Birte Hensen Nora Drescher and Bradley Jeffers for assistance with field work We further thank Sahara Farms Macadamia Farm Management Pty Ltd and Maroochy Bushland Botanic Gardens as well as numerous private land and garden owners to keep our bee hives and let us walk around their properties We are further grateful for the comments of two anonymous reviewers which helped to improve our manuscript BFK received funding from the German Academic Exchange Agency DAAD The project was funded by the German Research Foundation DFG LE 2750/11

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  2. The human visual threshold depends on direction and strength of a weak magnetic field
  3. Auditory brainstem responses to airborne sounds in the aquatic frog Xenopus laevis : correlation with middle ear characteristics
  4. The nervous and the immune systems: conspicuous physiological analogies
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  6. Calling song signals and temporal preference functions in the cricket Teleogryllus leo
  7. Energy metabolism during endurance flight and the post-flight recovery phase
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  11. Intensity contrast as a crucial cue for butterfly landing
  12. Morphological characterization of the antennal lobes in the Mediterranean fruit fly Ceratitis capitata
  13. Ground reaction forces in vertically ascending beetles and corresponding activity of the claw retractor muscle on smooth and rough substrates
  14. Temperature acclimation alters cardiac performance in the lobster Homarus americanus
  15. Changes in food intake and glucosensing function of hypothalamus and hindbrain in rainbow trout subjected to hyperglycemic or hypoglycemic conditions
  16. Colour is more than hue: preferences for compiled colour traits in the stingless bees Melipona mondury and M. quadrifasciata
  17. The role of central CB2 cannabinoid receptors on food intake in neonatal chicks
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  20. Grasshopper calling songs convey information about condition and health of males
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  22. On visual pigment templates and the spectral shape of invertebrate rhodopsins and metarhodopsins
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