Anders Hedenström

Summary

Affiliation: Lund University
Country: Sweden

Publications

  1. doi request reprint Power and metabolic scope of bird flight: a phylogenetic analysis of biomechanical predictions
    Anders Hedenström
    Department of Theoretical Ecology, Lund University, Ecology Building, 223 62, Lund, Sweden
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 194:685-91. 2008
  2. pmc Beyond robins: aerodynamic analyses of animal flight
    Anders Hedenström
    Department of Theoretical Ecology, Lund University, Ecology Building, 223 62 Lund, Sweden
    J R Soc Interface 5:595-601. 2008
  3. doi request reprint Bird or bat: comparing airframe design and flight performance
    Anders Hedenström
    Department of Theoretical Ecology, Lund, Sweden
    Bioinspir Biomim 4:015001. 2009
  4. ncbi request reprint Bat flight generates complex aerodynamic tracks
    A Hedenstrom
    Department of Theoretical Ecology, Lund University, SE 223 62 Lund, Sweden
    Science 316:894-7. 2007
  5. pmc Adaptations to migration in birds: behavioural strategies, morphology and scaling effects
    Anders Hedenström
    Department of Theoretical Ecology, Lund University, Ecology Building, 223 62 Lund, Sweden
    Philos Trans R Soc Lond B Biol Sci 363:287-99. 2008
  6. pmc Vortex wakes generated by robins Erithacus rubecula during free flight in a wind tunnel
    A Hedenstrom
    Department of Theoretical Ecology Ecology, Lund University, Ecology Building, 223 62 Lund, Sweden
    J R Soc Interface 3:263-76. 2006
  7. pmc Comparing aerodynamic efficiency in birds and bats suggests better flight performance in birds
    Florian T Muijres
    Department of Biology, Lund University, Lund, Sweden
    PLoS ONE 7:e37335. 2012
  8. pmc A quantitative comparison of bird and bat wakes
    L Christoffer Johansson
    Department of Theoretical Ecology, Lund University, Solvegatan 37, 223 62 Lund, Sweden
    J R Soc Interface 7:61-6. 2010
  9. doi request reprint Kinematics of flight and the relationship to the vortex wake of a Pallas' long tongued bat (Glossophaga soricina)
    Marta Wolf
    Department of Biology, Lund University, Solvegatan 37, SE 223 62 Lund, Sweden
    J Exp Biol 213:2142-53. 2010
  10. pmc Leading edge vortex in a slow-flying passerine
    Florian T Muijres
    Department of Biology, Lund University, Solvegatan 37, 223 62 Lund, Sweden
    Biol Lett 8:554-7. 2012

Detail Information

Publications32

  1. doi request reprint Power and metabolic scope of bird flight: a phylogenetic analysis of biomechanical predictions
    Anders Hedenström
    Department of Theoretical Ecology, Lund University, Ecology Building, 223 62, Lund, Sweden
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 194:685-91. 2008
    ..Body mass scaling exponents of P (scope) differed significantly from 0 in all cases, and so P (scope) showed a positive body mass scaling in birds in accordance with the prediction...
  2. pmc Beyond robins: aerodynamic analyses of animal flight
    Anders Hedenström
    Department of Theoretical Ecology, Lund University, Ecology Building, 223 62 Lund, Sweden
    J R Soc Interface 5:595-601. 2008
    ..The reasons for these apparently divergent results are discussed and prospects for future advances are considered...
  3. doi request reprint Bird or bat: comparing airframe design and flight performance
    Anders Hedenström
    Department of Theoretical Ecology, Lund, Sweden
    Bioinspir Biomim 4:015001. 2009
    ..Both groups share many characteristics associated with flight, such as for example low amounts of DNA in cells, the ability to accumulate fat as fuel for hibernation and migration, and parallel habitat-related wing shape adaptations...
  4. ncbi request reprint Bat flight generates complex aerodynamic tracks
    A Hedenstrom
    Department of Theoretical Ecology, Lund University, SE 223 62 Lund, Sweden
    Science 316:894-7. 2007
    ..Our interpretations of the unsteady aerodynamic performance and function of membranous-winged, flapping flight should change modeling strategies for the study of equivalent natural and engineered flying devices...
  5. pmc Adaptations to migration in birds: behavioural strategies, morphology and scaling effects
    Anders Hedenström
    Department of Theoretical Ecology, Lund University, Ecology Building, 223 62 Lund, Sweden
    Philos Trans R Soc Lond B Biol Sci 363:287-99. 2008
    ..I also briefly discuss how the optimal policy may be implemented by the bird by applying a set of simple rules. The time constraints on migrants increase with increasing body size. Some consequences of this are discussed...
  6. pmc Vortex wakes generated by robins Erithacus rubecula during free flight in a wind tunnel
    A Hedenstrom
    Department of Theoretical Ecology Ecology, Lund University, Ecology Building, 223 62 Lund, Sweden
    J R Soc Interface 3:263-76. 2006
    ..The measured circulations of the largest structures in the wake can be predicted quite well by simple models, and expressions are given to predict these and other measurable quantities in future bird flight experiments...
  7. pmc Comparing aerodynamic efficiency in birds and bats suggests better flight performance in birds
    Florian T Muijres
    Department of Biology, Lund University, Lund, Sweden
    PLoS ONE 7:e37335. 2012
    ....
  8. pmc A quantitative comparison of bird and bat wakes
    L Christoffer Johansson
    Department of Theoretical Ecology, Lund University, Solvegatan 37, 223 62 Lund, Sweden
    J R Soc Interface 7:61-6. 2010
    ..Our results thus indicate fundamental differences in the aerodynamics of bird and bat flight that will further our understanding of the evolution of vertebrate flight...
  9. doi request reprint Kinematics of flight and the relationship to the vortex wake of a Pallas' long tongued bat (Glossophaga soricina)
    Marta Wolf
    Department of Biology, Lund University, Solvegatan 37, SE 223 62 Lund, Sweden
    J Exp Biol 213:2142-53. 2010
    ..This study of the kinematics strongly indicates that the flight of bats is governed by an unsteady high-lift mechanism at low flight speeds and points to differences between birds and bats...
  10. pmc Leading edge vortex in a slow-flying passerine
    Florian T Muijres
    Department of Biology, Lund University, Solvegatan 37, 223 62 Lund, Sweden
    Biol Lett 8:554-7. 2012
    ..This is correlated with a spanwise reduction of the wing's angle-of-attack, partly owing to upward bending of primary feathers. We suggest that this helps to delay bursting and shedding of the particularly strong LEV in passerines...
  11. doi request reprint The near and far wake of Pallas' long tongued bat (Glossophaga soricina)
    L Christoffer Johansson
    Department of Theoretical Ecology, Lund University, Solvegatan 37, SE 223 62 Lund, Sweden
    J Exp Biol 211:2909-18. 2008
    ....
  12. doi request reprint Aerodynamic flight performance in flap-gliding birds and bats
    Florian T Muijres
    Department of Biology, Lund University, Ecology Building, 223 62 Lund, Sweden
    J Theor Biol 306:120-8. 2012
    ..The results show that flap-gliding flight that is naturally used by common swifts is indeed the most economic one of the two flight modes, while this is not the case for the non-flap-gliding lesser long-nosed bat...
  13. pmc Comparative aerodynamic performance of flapping flight in two bat species using time-resolved wake visualization
    Florian T Muijres
    Animal Flight Laboratory, Department of Biology, Lund University, Solvegatan 37, 223 62 Lund, Sweden
    J R Soc Interface 8:1418-28. 2011
    ....
  14. pmc Elytra boost lift, but reduce aerodynamic efficiency in flying beetles
    L Christoffer Johansson
    Department of Biology, Lund University, 22362 Lund, Sweden
    J R Soc Interface 9:2745-8. 2012
    ..77 at mid downstroke. This is lower than that found in birds and bats, suggesting that the extra weight support of the elytra comes at the price of reduced efficiency...
  15. pmc Vortex wake, downwash distribution, aerodynamic performance and wingbeat kinematics in slow-flying pied flycatchers
    Florian T Muijres
    Department of Biology, Lund University, Solvegatan 37, 223 62 Lund, Sweden
    J R Soc Interface 9:292-303. 2012
    ..Thus, for slow-flying passerines, the upstroke cannot be regarded as inactive, and the tail may be of importance for flight efficiency and possibly manoeuvrability...
  16. pmc Resistance of flight feathers to mechanical fatigue covaries with moult strategy in two warbler species
    Thomas P Weber
    Department of Animal Ecology, Ecology Building, Lund University, Solvegatan 37, S 223 62 Lund, Sweden
    Biol Lett 1:27-30. 2005
    ..We propose that willow warblers may strengthen their flight feathers by increasing the diameter of the shaft, which may lead to a more rapid accumulation of damage in willow warblers than in chiffchaffs...
  17. doi request reprint Leading-edge vortex improves lift in slow-flying bats
    F T Muijres
    Department of Theoretical Ecology, Lund University, SE 223 62 Lund, Sweden
    Science 319:1250-3. 2008
    ..Our results show that the use of unsteady aerodynamic mechanisms in flapping flight is not limited to insects but is also used by larger and heavier animals...
  18. pmc Migration routes and strategies in a highly aerial migrant, the common swift Apus apus, revealed by light-level geolocators
    Susanne Akesson
    Department of Biology, Lund University, Lund, Sweden
    PLoS ONE 7:e41195. 2012
    ....
  19. doi request reprint Vortex wake and flight kinematics of a swift in cruising flight in a wind tunnel
    P Henningsson
    Department of Theoretical Ecology, Lund University, Lund, Sweden
    J Exp Biol 211:717-30. 2008
    ..The total drag was also estimated from the wake alone, and the calculated lift:drag ratio of approximately 13 for flapping flight is the highest measured yet for birds...
  20. pmc Flight speeds of swifts (Apus apus): seasonal differences smaller than expected
    P Henningsson
    Department of Theoretical Ecology, Lund University, 223 62 Lund, Sweden
    Proc Biol Sci 276:2395-401. 2009
    ..Furthermore, the difference between flight speeds during migration and roosting among swifts was found to be less pronounced than previously recorded...
  21. doi request reprint The vortex wake of blackcaps (Sylvia atricapilla L.) measured using high-speed digital particle image velocimetry (DPIV)
    L C Johansson
    Department of Theoretical Ecology, Lund University, Ecology Building, SE 223 62 Lund, Sweden
    J Exp Biol 212:3365-76. 2009
    ..Neither did we find support for the hypothesis that the tail should reduce the drag of the bird. The function of the tail during steady flight thus remains unclear and calls for further investigation in future studies...
  22. ncbi request reprint The relationship between wingbeat kinematics and vortex wake of a thrush nightingale
    M Rosen
    Department of Animal Ecology, Lund University, Ecology Building, SE 223 62 Lund, Sweden
    J Exp Biol 207:4255-68. 2004
    ..More complex interactions between the wake and wings and/or body are implied...
  23. pmc A polar system of intercontinental bird migration
    Thomas Alerstam
    Department of Animal Ecology, Lund University, Ecology Building, 223 62 Lund, Sweden
    Proc Biol Sci 274:2523-30. 2007
    ....
  24. pmc Climate change and the optimal arrival of migratory birds
    Niclas Jonzen
    Department of Theoretical Ecology, Lund University, Ecology Building, 223 62 Lund, Sweden
    Proc Biol Sci 274:269-74. 2007
    ..Our results also show that we should expect the high variation of trends in arrival date observed among migratory birds, even if migration and information about climate change were unconstrained...
  25. doi request reprint The role of wind-tunnel studies in integrative research on migration biology
    Sophia Engel
    Department of Biology, Theoretical Ecology, Lund University, Lund, Sweden 22362
    Integr Comp Biol 50:323-35. 2010
    ..Wind tunnels and swim tunnels will therefore continue to be important tools we can use for studying integrative migration biology...
  26. ncbi request reprint Gliding flight in a jackdaw: a wind tunnel study
    M Rosen
    Department of Animal Ecology, Lund University, Ecology Building, SE 223 62 Lund, Sweden
    J Exp Biol 204:1153-66. 2001
    ..These alternative equations can be used in combination with any model of gliding flight where wing area and wingspan are considered to calculate sinking rate with respect to forward speed...
  27. pmc Wake structure and wingbeat kinematics of a house-martin Delichon urbica
    M Rosen
    Department of Animal Ecology, Lund University, Ecology Building, 223 62 Lund, Sweden
    J R Soc Interface 4:659-68. 2007
    ..The local Reynolds numbers of the wing sections are sufficiently low that the well-known instabilities of attached laminar flows over lifting surfaces, which are known to occur at two to three times this value, may not develop...
  28. ncbi request reprint Field estimates of body drag coefficient on the basis of dives in passerine birds
    A Hedenstrom
    Department of Animal Ecology, Ecology Building, SE 223 62 Lund, Sweden
    J Exp Biol 204:1167-75. 2001
    ..Our measurements therefore support the notion that 0.4 (the 'old' default value) is a realistic value of C(D,par) for small passerines...
  29. doi request reprint Grand challenges in migration biology
    Melissa S Bowlin
    Department of Biology, Theoretical Ecology, Ecology Building, Lund University, Lund, Sweden 22362
    Integr Comp Biol 50:261-79. 2010
    ....
  30. ncbi request reprint Optimal stopover decisions under wind influence: the effects of correlated winds
    T P Weber
    Department of Animal Ecology, Lund University, Ecology Building, Lund, S 223 62, Sweden
    J Theor Biol 205:95-104. 2000
    ..An analysis of six years of wind data from two sites in Sweden shows that wind directions on successive days are in fact correlated in all years...
  31. ncbi request reprint Flight performance during hunting excursions in Eleonora's falcon Falco eleonorae
    A Hedenstrom
    Department of Animal Ecology, Lund University, Ecology Building, S 223 62 Lund, Sweden
    J Exp Biol 202:2029-39. 1999
    ..This climb rate was 0.36 m s-1, and our observations indicated that the falcons experienced climb rates above this value when soaring in slope-lift...
  32. pmc Energetics, cost reduction and functional consequences of fish morphology
    L B Pettersson
    Department of Ecology, Lund, Sweden
    Proc Biol Sci 267:759-64. 2000
    ..The results have important implications for the evolution of morphological diversity in fishes...