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Publications

PUBLICATIONS AND EDITIONS

2008

109. Klemme, I., Ylönen, H. & Eccard, J.A. 2008. Genetic benefits of polyandry in a small mammal, the bank vole (Clethrionomys glareolus). --- Proc. R. Soc. B 275: 1095-1100.

108. Kaitala, A., Kortet, R., Härkönen, S., Laaksonen, S. and Ylönen, H. 2008. Invasion of the moose ectoparasite Lipoptena cervi in Finland. --- In: Proceedings of the VIth International Moose Symposium, ed. Baskin L.M., Yakutsk, pp. 37-39. ISBN 978-5-471-00431-3.

107. Eccard, J.A., Pusenius, J., Sundell, J., Halle, S. & Ylönen, H. 2008. Foraging patterns of voles at heterogenous avian and uniform mustelid predation risk. --- Oecologia DOI 10.1007/s00442-008-1100-4.

106. Sundell, J., Trebaticka, L. Oksanen, T., Ovaskainen, O., Haapakoski, M. & Ylönen, H. 2008. Antipredatory response and survival of two vole species with a shared predator. --- Popul. Ecol. 50: 257-266.

105. Sundell, J. & Ylönen, H. 2008. Specialist predator in a multi-species prey community: boreal voles and weasels. --- Integr. Zool. 3: 51-63.

104. Trebatická, L., Sundell, J. & Ylönen, H. 2008. Behaviour and resource use of two competing vole species under shared predation risk. --- Oecologia DOI 10.1007/s00442-008-1099-6.

103. Loehr, J., Carey, J., Ylönen, H. & Suhonen, J. 2008. Coat darkness is associated with social dominance and mating opportunities in a mountain sheep hybrid lineage. --- Anim. Behav. (in press)

2007

102. Ylönen, H. & Brown, J.S. 2007. Fear and the Foraging, Breeding and Sociality in Rodents. --- In: Rodent Societies (eds. Wolff, J.O. & Sherman, P.W.) University of Chicago Press, Chicago, pp. 328-341.

101. Ylönen, H., Kortet, R., Myntti, J. & Vainikka, A. 2007. Predator odour recognition and antipredatory response in fish: Does the prey know predator diel rhytm? --- Acta oecol 31: 1-7.

100. Millar, J.S. & Ylönen, H. (eds.) 2007. Mammalian life histories. Back to basics. --- Ecoscience 14: 275-369.

99. Klemme, I., Ylönen, H. and Eccard, J.A. 2007. Reproductive success of male bank voles (Clethrionomys glareolus) 2007: the effect of operational sex ratio and body size. --- Behav. Ecol. Sociobiol. 61: 1911-1918.

98. Eccard, J.A. & Ylönen, H. 2007. Cost of coexistence along a gradient of competitor densities: an experiment with arvicoline rodents. --- J. Anim. Ecol. 76: 65-71.

97. Klemme, I., Eccard, J.A. and Ylönen, H. 2007. Why do female bank voles Clethrionomys glareolus mate multiply? --- Anim. Behav. 73: 623-628.

96. v. Blanckenhagen, F., Eccard, J.A. & Ylönen, H. 2007. Animal protein as a reproductive constraint in spring reproduction of the bank vole. --- Ecoscience 14:323-329.

95. Jacob, J., Hinds, L.A., Singleton, G.R., Sutherland, D.R. and Ylönen, H. 2007. Is the reproductive potential of wild house mice regulated by extrinsic or intrinsic factors? --- Austral Ecol. 32: 202-209.

94. Trebatická,L., Ketola, T., Klemme, I., Eccard, J.A. & Ylönen, H. 2007. Is reproduction really costly? Energy metabolism of bank vole females through the reproductive cycle. --- Ecoscience 14: 306-313.

2006

93. Ylönen, H., Eccard, J.A., Jokinen, I. and Sundell, J.2006. Predation risk, foraging and stress measured in faecal corticosteroids in the bank vole Clethrionomys glareolus. --- Behav. Ecol. Sociobiol. 60: 350-358.

92. Loehr, J., Carey, J., Hoefs, M., Suhonen, J. And Ylönen, H. 2006. Horn growth rate and longevity: implications for natural and artificial selection in thinhorn sheep (Ovis dalli). --- J. Evol. Biol. 20: 818-828.

91. Eccard, J.A. & Ylönen, H. 2006. Adaptive food choice of bank voles in a novel environment: choices enhance reproductive status during winter and spring . --- Ann. Zool. Fennici 43: 2-8.

90. Klemme, I., Eccard, J.A., Gerlach, G., Horne, T.J. & Ylönen, H. 2006. Does it pay to be a dominant male in a promiscuous species. --- Ann. Zool. Fennici 43: 248-257.

89. Klemme, I., Eccard, J.A. and Ylönen, H. 2006. Do females mate multiply to improve on previous mates? --- Behav. Ecol. Sociobiol. 60: 415-421.

2005

88. Vainikka, A., Jokelainen, T., Kortet, R. & Ylönen, H. 2005. Predation risk allocation or direct vigilance response in the predator interaction between perch (Perca fluviatilis) and pike (Esox lucius)? --- Ecol. Freshw. Fish 14: 225-232.

87. Loehr, J., Kovanen, M., Carey, J., Jurasz, C., Suhonen, J & Ylönen, H. 2005. Gender and age-class-specific reactions to human disturbance in a sexually dimorphic ungulate --- Can. J. Zool. 83: 1602-1607.

2004

86. Ylönen, H., Horne, T.J. & Luukkonen, M. 2004: Effect of birth and weaning mass on growth, survival and reproduction in the bank vole --- Evol. Ecol. Res. 6: 433-442.

85. Kortet, R., Taskinen, J., Vainikka, A. & Ylönen, H. 2004. Breeding tubercles, pappiloma infection and dominance behaviour of male roach (Rutilus rutilus) during the breeding period. --- Ethology 110: 591-601.

84. Sundell, J, Dudek, D., Klemme, I, Koivisto, E., Pusenius, J & Ylönen, H. 2004. Temporal variation of fear and vole behaviour: an experimental field test of the predation risk allocation hypothesis. --- Oecologia 139: 157-162.

83. Sundell, J. & Ylönen, H. 2004. Behaviour and choice of refuge by voles under predation risk. --- Behav. Ecol. Sociobiol. 56: 263-269.

82. Ylönen, H. & Eccard, J.A. 2004. Does quality of winter food affect female spring condition and breeding in bank voles (Clethrionomys glareolus)? --- Ecoscience 11: 1-5.

81. Jacob, J., Ylönen, H. & Singleton, G.R. 2004. Spatial distribution of house mouse during plague formation. --- Ecoscience 11: 16-22.

2003

80. Eccard, J.A. & Ylönen, H. 2003. Who bears the costs of interspecific competition in an age-structured bank vole population? --- Ecology 84: 3284-3293.

79. Ylönen, H., Sundell, J., Tiilikainen, R., Eccard, J & Horne, T. 2003. Weasels' (Mustela nivalis nivalis) preference for olfactory cues of the vole (Clethrionomys glareolus) --- Ecology 84: 1447-1452.

78. Ylönen, H., Jacob, J., Runcie, M.J. & Singleton, G.R. 2003. Is the reproduction in the Australian house mouse (Mus domesticus) constrained by food: a large-scale field experiment --- Oecologia 135: 372-377.

77. Ylönen, H., Eccard, J.A. and Sundell, J. 2003. Boreal vole cycles and vole life histories. --- In: Singleton, G.R., Hinds, L.A., Krebs, C.J. and Spratt, D.M. (eds.). Rats, Mice and People: Rodent Biology and Management. - ACIAR Monograph No. 96. Canberra, Australian Centre for International Agricultural Research, pp. 137-142.

76. Eccard, J.A. & Ylönen, H. 2003. Interspecific competition in small mammals: from populations to individual life histories. --- Evol. Ecol. 17: 423-440.

75. Jacob, J., Ylönen, H. & Singleton, G.R. 2003. What affects bait uptake by house mice in grain fields? --- J. Wildl. Manag. 67: 341-351.

74. Ylönen, H., Pech, R.P & Davis, S. 2003. Heterogenous landscapes and the effect of refuge on the population dynamics of a specialist predator and its prey. --- Evol. Ecol. 17: 349-369.

73. Ylönen, H. & Kotler, B.P. (Eds.) 2003: Costs of coexistence. --- Evol. Ecol. Special issue 17: 313-440.

72. Sundell, J., Eccard, J.A., Tiilikainen, R. & Ylönen, H. 2003. Predation rate, prey preference and predator switching: experiments on voles and weasels --- Oikos 101: 615-623.

71. Ylönen, H., Jacob, J. & Kotler, B.P. 2003. Trappability of rodents in single-capture and multiple capture traps in arid and open environments: Why don't Ugglan traps work? --- Ann. Zool. Fennici 40:537-541.

2002

70. Ylönen, H., Jacob, J., Davis, M. & Singleton G. R. 2002. Predation risk and habitat selection of Australian house mice (Mus domesticus) during an incipient plague: desperate behaviour due to food depletion --- Oikos 99: 285-290.

69. Ludwig, G.X., Hokka, V., Sulkava, R. & Ylönen, H. 2002. Otter (Lutra lutra) predation on farmed and free-living salmonids in boreal freshwater habitats. --- Wildl. Biol. 8: 203-208.

68. Jacob, J., Ylönen, H. & Hodkinson, C.G. 2002. Trapping efficiency of Uggland traps and Longworth traps for house mice in southeastern Australia. --- Wildl. Res. 29: 101-103.

67. Ylönen, H. & Horne, T. 2002. Infanticide and effectiveness of pup protection in bank voles: does the mother recognize a killer? --- Acta Ethol. 4: 97-101.

66. Jacob, J., Ylönen, H., Perry, J. A., & Singleton, G. R. 2002. Who eats first? Uptake of pellet bait by target and non-target species. --- International Biodeterioration and Biodegradation 49: 121-124.

65. Eccard, J.A., Klemme, I., Horne, T.J. & Ylönen, H. 2002. Effects of competition and season on survival and maturation of young bank vole females. --- Evol. Ecol. 16: 85-99.

64. Eccard, J.A. & Ylönen, H. 2002. Direct interference or indirect exploitation? An experimental study of fitness costs of interspecific competition in voles --- Oikos 99: 2002.

2001

63. Ylönen, H. 2001. Scent of death. -- The effect of weasel odor on vole reproduction --- In: New Mammals Encyclopedia (ed. D.W. Macdonald), Oxford University Press, Oxford, pp. 634-635.

62. Kotler, B.P., Brown, J., Morris, D. & Ylönen, H. (eds.) 2001. Foraging and evolutionary games in mammals. --- Annales Zoologici Fennici, Special issue 38: 1-98.

61. Eccard, A.J. & Ylönen, H. 2001. Onset of spring reproduction in the bank vole (Clethrionomys glareolus): a matter of food, competition or density? --- Can. J. Zool. 79: 1743-1753.

60. Ylönen, H. 2001. Rodent plagues, immunocontraception and the mousepox virus. --- Trends Ecol. Evol. 16: 418-420.

59. Ylönen, H. 2001. Predator odours and behavioural responses of small rodents: an evolutionary perspective. --- In: Pelz, H-J., Cowan, P.D. & Feare, C.J. (eds.), Advances in Vertebrate Pest Management II, Filander, Fuerth 123-138.

1999

58. Ylönen, H. & Wolff, J. O. 1999. Experiments in the behavioural ecology and the real world. --- Trends Ecol. Evol. 14: 82.

57. Ylönen, H., Henttonen, H., Laajalahti, P. & Niemimaa, J. (eds.) 1999. European Mammalogy. 3rd European Congress of Mammalogy. --- Kopi-Jyvä, Jyväskylä, 244 p.

56. Koskela, E., Mappes, T. & Ylönen, H. 1999. Experimental manipulation of breeding density and litter size: effects on reproductive success the bank vole. ---- J. Anim. Ecol. 68: 513-521.

55. Ylönen, H. 1999. Voles under pressure of conspecific density fluctuation and predation pressure: implications for small game --- Suomen Riista 45: 52-62. (In Finnish with English summary)

1998

54. Ylönen, H., Sinervo, B. & Smith, H. (eds.) 1998. Costs of reproduction. --- Oikos, Special issue 83: 417-581.

53. Mappes, T., Koskela, E. and Ylönen, H. 1998. Breeding suppression in voles under risk of small mustelids: laboratory or methodological artefact? --- Oikos 82: 365-369.

52. Horne, T.J. & Ylönen, H. 1998. Heritabilities of dominance related traits in the male bank vole (Clethrionomys glareolus). --- Evolution 52: 894-899.

51. Sikes, R. & Ylönen, H. 1998. Considerations of optimal litter size in mammals. --- Oikos 83: 452-465.

50. Agrell, J., Wolff, J. and Ylönen, H. 1998. Infanticide in mammals: strategies and costly counter strategies. --- Oikos 83: 507-517.

1997

49. Kaitala, V., Mappes, T. & Ylönen, H. 1997. Delayed and suppressed female reproduction in equilibrium and chaotic populations. --- Evol. Ecol. 11: 105-126.

48. Mappes, T. & Ylönen, H. 1997: Reproductive effort of female bank voles in a risky environment. --- Evol. Ecol. 11: 591-598.

47. Koskela, E., Mappes, T. and Ylönen, H. 1997. Territorial behaviour in the bank vole Clethrionomys glareolus in relation to reproductive state. - J. Anim. Ecol. 66: 341-349.

46. Eccard, J.A. & Ylönen, H. 1997: Influence of spruce seed diet on the onset of reproduction in overwintering bank vole Clethrionomys glareolus -- a study with individual food manipulation. --- Zeitschr. Säugetierkd. 64 (Suppl.): 11-12.

45. Ylönen, H., Koskela, E. & Mappes, T. 1997. Infanticide in the bank vole (Clethrionomys glareolus): occurrence and the effect familiarity on female infanticide. --- Ann. Zool. Fennici 34: 259-266.

1996

44. Horne, T. & Ylönen, H.1996. Mating behaviour and female choice in relation to male social status in the bank vole (Clethrionomys glareolus) --- Behav. Ecol. Soc. 38: 401-405.

43. Koskela, E., Horne, T., Mappes, T. and Ylönen, H. 1996. Does the risk of mustelid predation change the oestrus cycle in the female bank voles? --- Anim. Behav. 51: 1159-1163.

42. Ylönen, H. 1996. Population dynamics: a result of opportunistic social behaviour and external factors. --- Z. Säugetierkd. 61 (Suppl.): 73-74.

41. Viitala, J., Pusenius, J., Ylönen, H. Mappes, T. & Hakkarainen, H.1996. Social organization and life history strategies in Microtine rodents. --- European Mammals: Proc. I European Congr. Mammal., Museu Bocage, Lisboa, pp. 151-161.

1995

40. Ylönen, H., Koskela, E. & Mappes, T. 1995. Small mustelids and breeding suppression of cyclic microtines: adaptation or general sensitivity? --- Ann. Zool. Fennici 32: XX-XX.

39. Ylönen, H., Viitala, J. and Pusenius, J. 1995. Impact of kinship and familiarity on the annual social organization and population dynamics of Clethrionomys and Microtus voles. --- Ann. Zool. Fennici 32: 225-232.

38. Mappes, T., Ylönen, H. & Viitala, J. 1995. Higher reproductive success among female kin bank voles (Clethrionomys glareolus). --- Ecology 76: 1276-1282.

37. Koskela, E. & Ylönen, H. 1995. Suppressed breeding in the field vole (Microtus agrestis): an adaptation to cyclically fluctuating predation risk --- Behav. Ecol. 6: 311-315.

36. Ylönen, H. 1995. Vole cycles. A reply to Lambin et al. --- Trends Ecol. Evol. 10: 204-205.

35. Mappes, T., Koskela, E. & Ylönen, H. 1995. Reproductive costs and optimal litter size in the bank vole.--- Proc. R. Soc. Lond. B. 261: 19-24.

34. Ylönen, H. & Mappes, T. 1995. Spacing behaviour and resource distribution: an experiment on seasonal preference of male bank voles, Clethrionomys glareolus, for food and females --- Ann. Zool. Fennici 32: 445-448.

1994

33. Ylönen, H. & Ronkainen, H. 1994: Breeding suppression in the bank vole as antipredatory adaptation in a predictable environment. - Evol. Ecol. 8.658-666.

32. Ronkainen, H. & Ylönen, H. 1994: Behaviour of cyclic bank voles under risk of mustelid predation: Do females avoid copulations? --- Oecologia 97:377-381.

31. Ylönen, H. 1994: Antipredatory behaviour in voles and vole cycles. --- Trends Ecol. Evol. 9: 426-430.

30. Viitala, J., Hakkarainen, H. & Ylönen, H. 1994. Different dispersal in Clethrionomys and Microtus --- Ann. Zool. Fennici 31: 411-415.

29. Pusenius, J. & Ylönen, H. 1994: The effects of confinement on demography and spacing behaviour in the bank vole (Clethrionomys glareolus). --- Ann. Zool. Fennici 31: 335-341.

1993 and earlier

28. Ylönen, H., Mappes, T. & Viitala, J. 1993. Relatedness between females and microtine population dynamics: experience from cyclic populations. --- Ann. Zool. Fennici 30: 77-80.

27. Mappes, T., Halonen, M., Suhonen, J. and Ylönen, H. 1993. Selective avian predation on declining population of the field vole Microtus agrestis: age and sex preferences. --- Etol. Ecol. & Evol. 4: 519-527.

26. Viitala, J. & Ylönen, H. 1993. From population dynamics to experimental evolutionary ecology: causes and consequences of social processes in voles. --- Ann. Zool. Fennici 30: 177-186.

25. Viitala, J. & Ylönen, H. 1992. Changing environment and individual's ecology: lifehistory of rodents and pest management (in Finnish: Ympäristön muutos ja yksilön ekologia: Myyrien elinkierron vaihtelut ja tuhojen torjunta). - Biol. Res. Rep. Univ. Jyväskylä 25: 164-172.

24. Ylönen, H. & Magnhagen, C. (eds.) 1992. Predation risk and behavioural adaptations of prey: ecological and evolutionary consequences. --- Ann. Zool. Fennici 4/92. 147 pp.

23. Ylönen, H. & Magnhagen, C. 1992. Antipredatory behaviour: a "hot spot" of evolutionary ecology of the nineties. --- Ann. Zool. Fennici 29: 179-182.

22. Ylönen, H., Jedrzejewska, B., Jedrzejewski, W. & Heikkilä, J. 1992. Antipredatory behaviour of Clethrionomys voles -- 'David and Goliath' arms race. --- Ann. Zool. Fennici 29: 209-218.

21. Ylönen, H., Viitala, J. & Mappes, T. 1991. How much do avian predators influence cyclic bank vole populations? An experiment during a peak year. --- Ann. Zool. Fennici 28: 1-6.

20. Ylönen, H. and Viitala, J. 1991. Social organization and food distribution in the bank vole Clethrionomys glareolus. --- Holarctic Ecol. 14: 131-137.

19. Ylönen, H. 1990. Spatial avoidance between the bank vole Clethrionomys glareolus and the harvest mouse Micromys minutus: an experiment. --- Ann. Zool. Fennici 27: 313-320.

18. Ylönen, H., Mappes, T. & Viitala, J. 1990. Different demography of friends and strangers: an experiment on impact of kinship and familiarity in Clethrionomys glareolus (Schreb.). --- Oecologia 83: 333-337.

17. Ylönen, H. 1990. Phenotypic flexibility in the social organization of Clethrionomys. --- In: Tamarin, R. H., Ostfeld, R. S., Pugh, S. R. and Bujalska, G (eds.): Social systems and population cycles in voles. Birkhäuser Verlag, Basel, pp. 203-212.

16. Ylönen, H. & Viitala, J. 1990. Kin interactions and population growth in mammals. --- Trends Ecol. Evol. 5: 371.

15. Viitala, J. & Ylönen, H. 1989. Variability of social overwintering strategies in the genus Clethrionomys. --- Aquilo Ser. Zool. 24: 107-111.

14. Ylönen, H. 1989. Weasels Mustela nivalis suppress reproduction in cyclic bank voles Clethrionomys glareolus. --- Oikos 55: 138-140.

13. Ylönen, H. 1989. Impact of small mustelids Mustels nivalis and M. erminea on cyclic microtine populations: Clethrionomys populations in Central Finland. --- Populationsökologie marderartiger Säugetiere. Wiss. Beitr. Univ. Halle 1989/37: 553-562. (In German with English summary)

12. Ylönen, H. 1989. Temporal variation of behavioural and demographical processes in cyclic Clethrionomys populations. --- Biol. Res. Rep. Univ. Jyväskylä 16: 1-35 (+ 139 p).

11. Ylönen H., Kojola, T. & Viitala, J. 1988. Changing female spacing behaviour and demography in an enclosed breeding population of Clethrionomys glareolus. --- Holarctic Ecol. 11: 286-292.

10. Ylönen, H., Stubbe, M. & Altner, H.J. 1991. Population dynamics of small rodents in an isolated forest area. --- Populationsökologie von Kleinsäugern/ Wiss. Beitr. Univ. Halle 1990/34: 217-229. (In German with English summary)

9. Ylönen, H., Altner, H.-J. and Stubbe, M. 1991. Seasonal dynamics of small mammals in an isolated woodlot and its agricultural surrounding. - Ann. Zool. Fennici 28: 7-14.

8. Ylönen, H. 1988. Diel activity and demography in an enclosed population of the vole Clethrionomys glareolus (Schreb.). - Ann. Zool. Fennici 25: 221-228

7. Raatikainen, M. & Ylönen, H. 1988. Habitat distribution of cicads in northern Finland and Norwegen. --- Ann. Ent. Fennici 54: 73-88. (In German with English summary)

6. Ylönen, H. & Viitala, J. 1987. Social organization and habitat use of introduced populations of the vole Clethrionomys rufocanus (Sund) in Central Finland. - Z. Säugetierkd. 52: 354-363.

5. Viitala, J., Kojola, T. & Ylönen, H. 1986. Voles killed by ticks -- an unsuccessful attempt to introduce north Finnish Clethrionomys rufocanus into an enclosure in Central Finland. --- Ann. Ent. Fennici 52: 32-35.

4. Ylönen, H. & Viitala, J. 1985. Social organization of an enclosed winter population of the bank vole Clethrionomys glareolus. --- Ann. Zool. Fennici 22: 353-358.

3. Ylönen, H. & Raatikainen, M. 1984. On the deformation of male genitalia of two Diplocolenus species (Homoptera, Auchenorrhyncha) induced by parasitism. --- Ann. Ent. Fennici 50: 13-16. (In German with English summary)

2. Ylönen, H. 1981. On occurence and reproductive success of Passerines in orchards at the Lake "Suesse See". --- Hercynia N.F. 18: 286-303. (In German)

1. Ylönen, H. 1981. Contamination of passerines on DDT in orchards: an example on the Tree sparrow (Passer montanus L.). --- Hercynia N.F. 18: 365-370. (In German)

POPULARIZATION OF ECOLOGICAL TOPICS IN FINNISH

17. Laaksonen, S., Härkönen, S. Kaitala, A., Kortet, R. & Ylönen, H. 2008. The terribly harmful deer ked -- a new pest of reindeer? (Hirveän harmillinen hirvikärpänen - poron uusin vitsaus?) --- Poromies 3/2008: 24-26.

16. Ylönen, H., Kaitala, A., Härkönen, S., Laaksonen, S., Niemelä, P. & Ruusila, V. 2007. Deer ked -- a trouble in the woods? (Hirvikärpänen -- pelkkä riesako? Metsästäjien ja luontoväen sitkeä tuttavuus mittavan tutkimushankkeen kohteena.) --- Metsästäjä 56/1: 42.

15. Ylönen, H. 2001. The war against rodents goes on. (Sota jyrsijöitä vastaan jatkuu.) --- Helsingin Sanomat, Tiedesivut, 21 April 2001.

14. Huitu, O., Ludwig, G. & Ylönen, H. 2001. Don't enter! -- Preventing otter damages in fish farms needs careful planning. --- Suomen Kalankasvattaja 30/1: 36-41.

13. Hokka, V., Ludwig, G., Ylönen, H. & Sulkava, R. 2000. Otter as a frequent visitor in fish farms of inland waters. --- Suomen Kalankasvattaja 29/3: 44-45.

12. Hokka, V., Sulkava, R., Ludwig, G. & Ylönen, H. 1999. Otter's history in Finland is the history of hunting. --- Suomen Luonto 58/1: 32-35.

11. Ylönen, H. 1997. Weasel. (Lumikko.) --- In: Nummi, P. (ed.), Finnish Fauna (Part 1: Mammals). Weilin & Göös.

10. Ylönen, H. 1997. Voles fear mustelid smell. (Myyrät pelkäävät kärpän hajua.) --- In: Nummi, P. (ed.), Finnish Fauna (Part 1: Mammals). Weilin & Göös .

9. Ylönen, H. 1996. Beaver as a forest worker. (Majava metsurina.) --- In: Maasola, J.: Metsän mahti. (Power of woods.) Gummerus, Jyväskylä, pp. 18-19. ISBN 951-96509-2-X.

8. Ylönen, H. 1989. Great bustard -- a threatened giant of the European grasslands. (Isotrappi -- Euroopan uhanalaista aatelia.) --- Suomen Luonto 48(2): 36-37.

7. Ylönen, H. 1988. On the research of rodents in Central Finland. (Myyrätilanteesta ja tutkimuksesta Keski-Suomessa.) --- Nisäkäsposti 27: 24-27.

6. Ylönen, H. 1986. The grey-sided vole in Central Finland. (Harmaakuvemyyrä Keski-Suomessa.) --- Nisäkäsposti 25: 19-23.

5. Ylönen, H. & Viitala, J. 1985. An enclosure study of the bank vole: a methodological review. (Metsämyyrän tarhatutkimuksesta.) --- Luonnon Tutkija 89: 115-121.

4. Ylönen, H. 1983. Ornithological observations in a Central European flood river valley. (Huomioita keskieurooppalaisen rehevän tulvametsän ja sen ympäristön linnustosta.) --- Keski-Suomen Linnut 8: 41-47.

3. Ylönen, H. & Raatikainen, M. 1983: Development of the research of local environment quality and use in Finland 1949-1982. (Kunnallisen ympäristönhoito- tutkimuksen kehitys Suomessa 1949-1982.) --- Ympäristö ja Terveys 14: 194-203

2. Ylönen, H. 1982. Environmental management in the municipality of Laukaa, Central Finland (Laukaan kunnan ympäristönhoitosuunnitelma). --- Laukaan Kunta. 133 p.

1. Ylönen, H. 1981. State of environment, environmental attitudes and use of nature in a rural county Laukaa. (Ympäristön tila, ympäristöasenteet ja luonnon käyttö maaseutupitäjässä -- esimerkkikuntana Laukaa.) --- Ympäristö ja Terveys 12: 337-346.